The 16521 is an application-specific device designed for use in commercial and industrial environments to provide protection, isolation, and control of motors and power circuits. It features a BS EN 60439-3 compliant design with a unique Isobar outgoing phase connection link and a busbar rating of 125A. The device includes a dual source incomer configuration, supporting multiple poles and voltage ratings up to 415V. Additionally, it incorporates a surge arrestor kit for enhanced protection and is supplied with board connections for easy integration into existing systems.
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