TOMZN TOB7Z-63 2P 63A 1000V DC Miniature Circuit Breaker (MCB)

SEPL TOMZN TOB7Z-63 2P 63A DC Miniature Circuit Breaker (MCB) is designed to provide reliable overload and short-circuit protection for direct-current (DC) electrical systems, particularly solar photovoltaic (PV) installations. The breaker features a two-pole configuration for simultaneous disconnection of positive and negative DC conductors, providing coordinated circuit protection and isolation. With a rated current of 63A and a maximum rated operating voltage of 1000V DC, the breaker is suitable for compatible high-voltage DC electrical distribution and solar PV applications. Its thermal-magnetic protection mechanism automatically disconnects the circuit during overload or short-circuit conditions, helping protect connected electrical equipment and wiring. The breaker features a rated breaking capacity of 6kA, a compact modular construction and a flame-retardant insulating housing for electrical distribution applications. Manual ON/OFF switching allows convenient circuit isolation for maintenance and electrical system servicing. Designed for standard 35mm DIN-rail mounting, the SEPL TOMZN DC breaker is suitable for compatible solar PV combiner boxes, DC distribution boards, solar inverter DC protection panels and industrial DC electrical systems. The TOB7Z-63 series is designed in accordance with IEC 60947-2 requirements for low-voltage circuit breakers.

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