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Siemens Locking Device: Locking Device, Siemens QP, BL, BQ - Siemens Circuit Breaker Locks & Padlocks
SiemensSiemens Circuit Breaker Locks & Padlocks

Siemens Locking Device: Locking Device, Siemens QP, BL, BQ

The Siemens Locking Device (MPN ECQLD3) is a circuit breaker lock and padlock accessory designed for use with Siemens QP, BL, BQ, and BQXD circuit breakers. This locking device provides a means to secure the breaker…

SKU 3G-OTH-23373

Brand
Siemens
Item
Locking Device: Locking Device, Siemens QP, BL, BQ
Category
Siemens Circuit Breaker Locks & Padlocks
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Technical Specifications

Siemens
Manufacturer Part Number
ECQLD3
For Use With
Siemens QP, BL, BQ, BQXD
Product Type
Locking Device
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens Locking Device (MPN ECQLD3) is a circuit breaker lock and padlock accessory designed for use with Siemens QP, BL, BQ, and BQXD circuit breakers. This locking device provides a means to secure the breaker handle in the off position, supporting lockout/tagout procedures for maintenance safety.

Frequently Asked Questions

What is the Siemens ECQLD3 locking device used for?

The Siemens ECQLD3 locking device secures the handle of Siemens QP, BL, BQ, and BQXD circuit breakers in the off position. It supports lockout/tagout (LOTO) procedures, ensuring maintenance personnel can safely isolate electrical circuits before performing service or repairs.

What are the specifications of the Siemens ECQLD3 locking device?

The Siemens ECQLD3 is a locking device accessory for circuit breakers. It is designed for use with Siemens QP, BL, BQ, and BQXD breaker models. The product type is a locking device, and the manufacturer part number is ECQLD3. It enables secure handle locking for lockout/tagout safety.

Where to buy the Siemens ECQLD3 locking device worldwide?

3G Electric supplies the Siemens ECQLD3 locking device to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for international orders. Contact us to source this circuit breaker lock for your facility's lockout/tagout program.

How to install the Siemens ECQLD3 locking device on a circuit breaker?

To install the Siemens ECQLD3, first ensure the breaker handle is in the off position. Slide the locking device over the handle until it snaps into place. Insert a padlock through the locking tab to secure the handle. Always follow your facility's lockout/tagout procedures and consult the manufacturer's instructions.

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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