CHINT Miniature Circuit Breaker NXB-40 MCB 1P+N 6A~40A

CHINT NXB-40 Miniature Circuit Breaker MCB 1P+N C Curve 6A/10A/16A/20A/25A/32A/40A AC230V DIN Rail Household Overload Short Circuit Protection Air Switch

Original CHINT NXB-40 series 1P+N miniature circuit breaker, C type trip curve (5~10In instantaneous tripping), rated current optional:6A,10A,16A,20A,25A,32A,40A, rated operational voltage AC230V for single phase residential wiring.

1P+N structure: live pole with breaking protection, neutral pole passes through without cut-off; integrated overload & short-circuit dual protection, magnetic blow-out arc extinguishing, flame retardant PA66 plastic housing, standard 35mm DIN rail snap-in installation. Widely used for household PZ30 distribution box, lighting circuit, socket and air conditioner power control.

• Compact 1P+N Design: Single pole break live wire while neutral line connected through, space-saving design for compact domestic PZ30 distribution cabinet.
• Dual Overcurrent Protection: Reliable overload thermal trip + short-circuit electromagnetic instantaneous trip, effectively protect household cables and electrical equipment.
• Standard C Tripping Curve: C type characteristic fits common household loads like lamp, socket, air conditioner, avoid unnecessary nuisance tripping.
• Premium Flame Retardant Shell: High temperature resistant flame retardant plastic housing with magnetic blow-out arc extinguishing chamber, stable arc cutting performance.
• Easy DIN Rail Installation: Snap-on mounting design for standard 35mm DIN rail, fast wiring and replacement for home renovation & electrical maintenance.

Specification