Miller Edge / Accessory reference

Miller Edge MEL-K20: Earlier Monitored Edge Link system

The 2015 MEL-K20 sheet names a 315 MHz system combining MEL-TX20 and MEL-RX20, with T2 (10K) monitored edge input scope. Its transmitter uses two AA 1.5 V lithium cells; the later MEL-II system is a separate generation.

US source scopeUpdated 2026-09-15Independent Anderson reference

Match the whole number.

Manufacturer identifier: MEL-K20. Keep every character when comparing it with your label or paperwork. A similar number does not establish the same component.

Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: System identity · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Edge group scope · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Radio identification · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Power · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Inputs and outputs · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Selection boundary · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge

Values apply to the exact identifier and scope in the cited source.
System identity	The 2015 sheet identifies MEL-TX20 and MEL-RX20 as the components of MEL-K20. View source and citation details Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: System identity · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
Edge group scope	The sheet explicitly covers any T2 (10K) monitored sensing-edge sensor, with its listed-operator condition. Confirm the actual edge termination and operator. View source and citation details Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Edge group scope · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
Radio identification	315 MHz; 50 feet nominal and 100 feet under optimal conditions. This differs from the later 916 MHz MEL-II system. View source and citation details Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Radio identification · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
Power	Transmitter: two AA 1.5 V lithium cells. Receiver: nominal 12-24 V AC/DC. View source and citation details Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Power · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
Inputs and outputs	Transmitter table lists two devices, sensing edge or knock-out. Receiver outputs include a photo-eye pulse stream and separate SPDT safety-edge, knock-out and low-battery contacts. View source and citation details Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Inputs and outputs · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
Selection boundary	This dated sheet does not prove present availability, a current certification, broad opener fitment or replacement by MEL-II-K10. Confirm the installed commercial operator and its monitoring requirements. View source and citation details Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Selection boundary · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge

Documented fitment & exclusions

Read the exact equipment or component, market, production and variant limits in every row. An omitted pairing has not been verified by this reference.

A component pairing applies only to the listed items and source conditions. It does not establish suitability for an installed opener or compatibility through another component.

Source statements and their exact conditions. Read the documented direction and conditions for each pairing.
Equipment or component / relationship	Evidence and conditions
Clima-GUARD Documented compatibility From Clima-GUARD to MEL-K20.	Conditional Clima-GUARD falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge Clima-GUARD sensing edgeCLIMAGUARD_20220307, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · CLIMAGUARD_20220307 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
CPT210 Documented compatibility From CPT210 to MEL-K20.	Conditional CPT210 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge CPT210 sensing edgeCPT210_spec_20251112, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · CPT210_spec_20251112 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
CPT215 Documented compatibility From CPT215 to MEL-K20.	Conditional CPT215 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge CPT215 sensing edgeCPT210_Spec_20250917 (printed footer; both page headings identify CPT215), PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · CPT210_Spec_20250917 (printed footer; both page headings identify CPT215) · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
MC22 Documented compatibility From MC22 to MEL-K20.	Conditional MC22 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge MC22 sensing edgeMC22_spec_20260506, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · MC22_spec_20260506 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
ME110 Documented compatibility From ME110 to MEL-K20.	Conditional ME110 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge ME110 sensing edgeME110_V7, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · ME110_V7 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
ME111 Documented compatibility From ME111 to MEL-K20.	Conditional ME111 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge ME111 sensing edgeME111_20201218, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · ME111_20201218 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
ME112 Documented compatibility From ME112 to MEL-K20.	Conditional ME112 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge ME112 sensing edgeME112_20201218, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · ME112_20201218 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
ME113 Documented compatibility From ME113 to MEL-K20.	Conditional ME113 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge ME113 sensing edgeME113_20201218, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · ME113_20201218 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
ME116 Documented compatibility From ME116 to MEL-K20.	Conditional ME116 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge ME116 sensing edgeME116_20201218, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · ME116_20201218 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
ME117 Documented compatibility From ME117 to MEL-K20.	Conditional ME117 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge ME117 sensing edgeME117_20201218, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · ME117_20201218 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
ME120 Documented compatibility From ME120 to MEL-K20.	Conditional ME120 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge ME120 sensing edgeME120_20201218, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · ME120_20201218 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
ME123 Documented compatibility From ME123 to MEL-K20.	Conditional ME123 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge ME123 sensing edgeME123_20201218, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · ME123_20201218 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
MT21 Documented compatibility From MT21 to MEL-K20.	Conditional MT21 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge MT21 sensing edgeMT_20201218, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · MT_20201218 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
MT22 Documented compatibility From MT22 to MEL-K20.	Conditional MT22 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge MT21 sensing edgeMT_20201218, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · MT_20201218 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
MT33 Documented compatibility From MT33 to MEL-K20.	Conditional MT33 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge MT21 sensing edgeMT_20201218, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · MT_20201218 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
MU21 Documented compatibility From MU21 to MEL-K20.	Conditional MU21 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge MU21 sensing edgeMU21_20220607, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · MU21_20220607 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
MU22 Documented compatibility From MU22 to MEL-K20.	Conditional MU22 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge MU22 sensing edgeMU22_20220607, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · MU22_20220607 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge
MU33 Documented compatibility From MU33 to MEL-K20.	Conditional MU33 falls within the MEL-K20 sheet's explicit T2 (10K) monitored sensing-edge group only with the matching configured termination. Applies only within this source scope Market: US configuration: 2-wire monitored termination: 10K resistive The source qualifies monitored operation with its UL325-2010 listed commercial door/gate operator context. The specific installed operator still requires confirmation; this group relationship is only the sensing-edge input scope. This does not establish MEL-II or RBand compatibility, present product availability, or an installed-operator approval. Miller Edge MU33 sensing edgeMU33_20220512, PDF page 2: Exact profile monitored 10K membership · checked 2026-09-13 · MU33_20220512 · Miller Edge Monitored Edge Link MEL-K20MEL-K20_Spec_20150303, PDF page 1: Any T2 (10K) monitored edge group and listed-operator condition · checked 2026-09-14 · MEL-K20_Spec_20150303 · Miller Edge

Direct replacement paths

No direct successor for MEL-K20 is verified in this reference.

A direct replacement statement does not establish reverse interchangeability, a kit equivalent or a later replacement chain.

The listed pairing applies in the direction shown above. Open the listed component’s reference to check its pairing with this item. You can also look up another part or accessory. A missing pairing does not establish incompatibility.

Recall references

No recall reference is included for this identifier in the published dataset. This is not a safety clearance or proof that no recall exists.

Sources & scope

Miller Edge Clima-GUARD sensing edgeMiller Edge · US · checked 2026-09-13 · CLIMAGUARD_20220307
Miller Edge CPT210 sensing edgeMiller Edge · US · checked 2026-09-13 · CPT210_spec_20251112
Miller Edge CPT215 sensing edgeMiller Edge · US · checked 2026-09-13 · CPT210_Spec_20250917 (printed footer; both page headings identify CPT215)
Miller Edge MC22 sensing edgeMiller Edge · US · checked 2026-09-13 · MC22_spec_20260506
Miller Edge ME110 sensing edgeMiller Edge · US · checked 2026-09-13 · ME110_V7
Miller Edge ME111 sensing edgeMiller Edge · US · checked 2026-09-13 · ME111_20201218
Miller Edge ME112 sensing edgeMiller Edge · US · checked 2026-09-13 · ME112_20201218
Miller Edge ME113 sensing edgeMiller Edge · US · checked 2026-09-13 · ME113_20201218
Miller Edge ME116 sensing edgeMiller Edge · US · checked 2026-09-13 · ME116_20201218
Miller Edge ME117 sensing edgeMiller Edge · US · checked 2026-09-13 · ME117_20201218
Miller Edge ME120 sensing edgeMiller Edge · US · checked 2026-09-13 · ME120_20201218
Miller Edge ME123 sensing edgeMiller Edge · US · checked 2026-09-13 · ME123_20201218
Monitored Edge Link MEL-K20Miller Edge · US · checked 2026-09-14 · MEL-K20_Spec_20150303
Miller Edge MT21 sensing edgeMiller Edge · US · checked 2026-09-13 · MT_20201218
Miller Edge MU21 sensing edgeMiller Edge · US · checked 2026-09-13 · MU21_20220607
Miller Edge MU22 sensing edgeMiller Edge · US · checked 2026-09-13 · MU22_20220607
Miller Edge MU33 sensing edgeMiller Edge · US · checked 2026-09-13 · MU33_20220512

Anderson prepared this reference from the listed evidence. Source statements are not an Anderson installation inspection or independent product test. Official documents stay on their publisher’s website.

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