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The SIEMENS JD63T400 is a molded case circuit breaker trip unit. This JD, 400 Amp, 3-pole, 600 Volt circuit breaker is designed for Sentron mounting and features an instantaneous adjustable trip range. It is suitable for use with 3-Pole 6 A JD Frame Circuit Breakers.
Molded case circuit breaker trip unit with a 400A current rating, designed for use with 3-Pole 6 A JD Frame Circuit Breakers.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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