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Utility Relay Co. B-291-MP Secondary Injection Test Set

Manufacturer:

Utility Relay Company

Model:

B-291-MP

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Product Details

The Utility Relay Co. B-291-MP Secondary Injection Test Set is a single-phase test set specifically designed for testing the operation of the AC-PRO-MPTM microcontroller based trip units manufactured by Utility Relay Co. The AC-PRO-MP is a plug-in, direct replacement trip unit for the STR trip units on the Merlin Gerin & Square D Masterpact MP breakers.