Circuit breaker C25 1P

The Chint NB1-63 is a 1-pole miniature circuit breaker (MCB) with a C-curve and a rated current of 25 A. It is suitable for protecting electrical circuits against overload and short circuits in residential, commercial, and technical electrical installations.

The C-curve is suitable for circuits where higher than normal inrush currents may occur, such as appliances, small motors, or technical loads. The circuit breaker is designed for mounting on a DIN rail in an electrical distribution board.

Technical specifications

Manufacturer: Chint
Series/model: NB1-63
Product code: 180289 / NB1631NC25A
Barcode: 16925808305465
Product type: miniature circuit breaker / MCB
Number of poles: 1P
Rated current: 25 A
Characteristic: C
Breaking capacity: 6 kA
Rated voltage: 230/400 V AC
Frequency: 50/60 Hz
Insulation voltage Ui: 500 V
Rated impulse withstand voltage Uimp: 4 kV
Energy limiting class: 3
Protection degree: IP20
Installation: DIN rail
Connection: screw terminals, connectable from top and bottom
Compatible busbar: fork-type or pin-type busbar
Operating temperature: –5…+40 °C
Standard: IEC/EN 60898-1
Package quantity: 1 pc

Suitable for, for example

Protection of 1-phase appliance circuits
Protection of socket circuits, when a C25 protection is specified in the project
Protection of smaller motors or technical loads
Residential, commercial, and technical electrical distribution boards

We also recommend taking a look at: electrical distribution boards, DIN rail accessories, busbars, connection terminals, and other Chint circuit breakers.

Not sure if this circuit breaker is suitable for your electrical panel or solution? Write or call us — we will help you choose the right solution.