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Siemens Mechanical Interlock: Mechanical Interlock - Siemens Circuit Breaker Locks & Padlocks
SiemensSiemens Circuit Breaker Locks & Padlocks

Siemens Mechanical Interlock: Mechanical Interlock

The Siemens Mechanical Interlock (MPN ECQML12) is a circuit breaker lock and padlock accessory designed for use with Siemens BQ Circuit Breakers. This mechanical interlock provides a physical locking mechanism to…

SKU 3G-OTH-23377

Brand
Siemens
Item
Mechanical Interlock: Mechanical Interlock
Category
Siemens Circuit Breaker Locks & Padlocks
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Technical Specifications

Siemens
Manufacturer Part Number
ECQML12
For Use With
Siemens BQ Circuit Breakers
Product Type
Mechanical Interlock
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens Mechanical Interlock (MPN ECQML12) is a circuit breaker lock and padlock accessory designed for use with Siemens BQ Circuit Breakers. This mechanical interlock provides a physical locking mechanism to prevent unauthorized operation or accidental switching of the breaker.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens siemens circuit breaker locks & padlocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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