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The Siemens ECQML12 mechanical interlock is designed for electrical distribution applications. This interlock is a 1-pole plug-in type, suitable for use with breaker types QP, BL, and BQ interlock brackets. It conforms to UL 489 standards and is used with low voltage residential circuit breakers.
The Siemens ECQML12 mechanical interlock is for electrical distribution applications and is UL 489 compliant.
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