ABB Tmax T5S 630 MCCB (circuit breaker). The ABB is a Circuit Breaker. Model: SACE Tmax T5S 630. MPN: T5S 630. T5S 630, 3-pole. Ampere: 630A. 630 Amp, 50kA at 400/415V, 3 pole. A molded case circuit breaker (MCCB) is a type of electrical protection device that is used to protect the electrical circuit from excessive current, which can cause overload or short circuit.
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