Independent Trip Unit SHT-X1 AC220/380V (for NXB1)

The NB1-63H modular circuit breaker mounts on a DIN rail and features a holder with two fixed positions and a window for indicating power contacts. It includes special contacts for connecting PIN and FORK type busbars. Nominal currents range from 1 to 63 A. Trip characteristics: B, C, D. Additional accessories such as auxiliary and signaling contacts, trip units S9 and V9 are available. High durability: 20,000 mechanical and 4,000 electrical cycles.

The NB1-63H modular circuit breaker mounts on a DIN rail and features a holder with two fixed positions and a window for indicating power contacts. It includes special contacts for connecting PIN and FORK type busbars. Nominal currents range from 1 to 63 A. Trip characteristics: B, C, D. Additional accessories such as auxiliary and signaling contacts, trip units S9 and V9 are available. High durability: 20,000 mechanical and 4,000 electrical cycles.

The NB1-63H series modular automatic circuit breaker mounts on a DIN rail. The device features a holder with two fixed positions. The design includes a power contact indicator window. The breaker has special contacts for connecting busbars of PIN and FORK types. Nominal currents for this series range from 1 to 63 A. Short-circuit tripping characteristics: B, C, and D. Additional accessories include auxiliary and signaling contacts, independent trip unit S9, and undervoltage trip unit V9. This model withstands up to 20,000 mechanical and 4,000 electrical cycles.

The NB1-63H series modular automatic circuit breaker mounts on a DIN rail. The device features a holder with two fixed positions and a power contact indicator window. It has special contacts for connecting PIN and FORK type busbars. Nominal currents range from 1 to 63 A. Short-circuit tripping characteristics: B, C, and D. Additional accessories include auxiliary and signaling contacts, independent trip unit S9, and undervoltage trip unit V9. This model withstands up to 20,000 mechanical and 4,000 electrical cycles.

The NB1-63H series modular automatic circuit breaker mounts on a DIN rail. The device features a holder with two fixed positions and a power contact indicator window. It has special contacts for connecting PIN and FORK type busbars. Nominal currents range from 1 to 63 A. Short-circuit tripping characteristics: B, C, and D. Additional accessories include auxiliary and signaling contacts, independent trip unit S9, and undervoltage trip unit V9. This model withstands up to 20,000 mechanical and 4,000 electrical cycles.

The NB1-63H series modular automatic circuit breaker mounts on a DIN rail. The device features a holder with two fixed positions and a power contact indicator window. It has special contacts for connecting PIN and FORK type busbars. Nominal currents range from 1 to 63 A. Short-circuit tripping characteristics: B, C, and D. Additional accessories include auxiliary and signaling contacts, independent trip unit S9, and undervoltage trip unit V9. This model withstands up to 20,000 mechanical and 4,000 electrical cycles.

The NB1-63H series modular automatic circuit breaker mounts on a DIN rail. The device features a holder with two fixed positions and a power contact indicator window. It has special contacts for connecting PIN and FORK type busbars. Nominal currents range from 1 to 63 A. Short-circuit tripping characteristics: B, C, and D. Additional accessories include auxiliary and signaling contacts, independent trip unit S9, and undervoltage trip unit V9. This model withstands up to 20,000 mechanical and 4,000 electrical cycles.

The NB1-63H modular circuit breaker mounts on a DIN rail. It features a holder with two fixed positions and a power contact indicator window. The breaker includes special contacts for connecting busbars of PIN and FORK types. Nominal currents range from 1 to 63 A. Short-circuit tripping characteristics: B, C, and D. Additional accessories include auxiliary and signal contacts, independent trip unit S9, and undervoltage trip V9. The model withstands up to 20,000 mechanical and 4,000 electrical cycles.

The NB1-63H modular circuit breaker mounts on a DIN rail with power contact indicator and supports PIN/FORK busbars. Nominal current ranges from 1 to 63 A, short-circuit tripping curves: B, C, D. Withstands 20,000 mechanical and 4,000 electrical cycles. Equipped with auxiliary contacts, S9 trip unit, and V9 undervoltage trip.

The NB1-63H modular circuit breaker mounts on a DIN rail with power contact indicator and supports PIN/FORK busbars. Nominal current ranges from 1 to 63 A, short-circuit tripping curves: B, C, D. Withstands 20,000 mechanical and 4,000 electrical cycles. Equipped with auxiliary contacts, S9 trip unit, and V9 undervoltage trip.

The NB1L-40 4P C10 30mA AC 6kA differential circuit breaker is designed for use in 50/60 Hz AC networks with 230/400 V voltage and a nominal current up to 10 A. It provides protection against overloads, short circuits, electric shock, and fires caused by leakage currents. Can be optionally equipped with auxiliary contacts XF9, XF9J, and trip units S9 or V9.

The NB1L-63 4P C50 30mA AC 6kA differential circuit breaker is designed for use in 50/60 Hz AC networks with 230/400 V voltage and a nominal current up to 50 A. It provides protection against overloads, short circuits, electric shock, and fires caused by leakage currents. Can be optionally equipped with auxiliary contacts XF9, XF9J, and trip units S9 or V9.

CHINT Electric power circuit breakers are widely used in both residential and industrial construction. Model selection depends on operating conditions: standard NM1/NM8 breakers work for private homes, while industrial applications require advanced models with additional features like remote control and network monitoring.

Independent trip unit NA1-2000-6300 ST AC220 is designed for controlling automatic circuit breakers. Monitors load and voltage conditions.