Introduction
The DAB7-63N 6kA MCB circuit breaker is designed according to GB 10963 and IEC60898 standards. The circuit breakers feature outstanding stability, short circuit protection, overload protection, short opening time, and high breaking capacity index all in one miniature design.

The circuit breakers are widely used for overload protection of contactors, relays, and other electrical equipment.

Main functions: short circuit protection, overload protection, and electrical isolation.

Technical parameter of DAB7-63N 6kA circuit breaker
Standard of conformity: IEC60898, GB10963
Rated voltage: 230/400V, 50HZ
Protection grade: IP20
Flame retardant grade: grade 2
Endurance (power-driven): no less than 8,000 times of opening
Endurance (manual operation): no less than 20,000times of opening

Mechanical parameters of DAB7-63N 6kA circuit breaker
Electric wire: 1~35mm²
Connection mode: There are two kinds of connection, direct connection to the connecting plate, or connected by copper wire
Suitable size for terminal: The thickness of connecting plate is 0.8-2mm, the sectional area of copper conductor is 1-25mm²
Operating temperature: -5~+40℃
Altitude: ≤2000
Relative humidity: +20℃,≤90%; +40℃,≤50%
Class of pollution: 2
Installation method: Using 35mm IEC standard
Installation environment: Avoid obvious shock and vibration
Installation grade: grade II, grade III
Guide rail: DIN35guide rail

Trip characteristics
Type B circuit breaker - suitable for quick disconnecting, the passable maximum momentary current is less than 3 times the rated limit
Type C circuit breaker-suitable for the most of electrical circuits, the passable maximum momentary current is less than 5 times the rated limit
Type D circuit breaker- for higher current peaks, up to 10 times. (For example, the circuit can be used to protect the primary circuit of transformer, start the electric machinery.)