Description
The CHINT NB310L-3N-B40 3P+N RCBO Circuit Breaker is a high-performance solution for comprehensive electrical protection, offering a 40A capacity and B Curve tripping characteristic (3 In – 5 In) tailored for personnel and fire safety. Engineered to protect circuits from overloads and short circuits, this RCBO is particularly well-suited for safeguarding lengthy cables in TN and IT systems, with enhanced protection against direct contact through its 30 mA rated residual operating current.
Featuring A Type tripping, the NB310L-3N-B40 provides reliable operation for both sinusoidal AC and pulsed DC residual currents, with quick or gradual rise. It is also AC class rated for consistent protection against alternating currents. For added flexibility, the breaker is compatible with auxiliary devices, including XF9 auxiliary contacts, S9 shunt release, V9 under-voltage release, and OVT-1 over-voltage release, expanding its functional adaptability across applications. Distributed by Miken Electronics, this CHINT RCBO circuit breaker delivers versatile and dependable overcurrent protection for global industrial and commercial installations.
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