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Rated currentIn (A):6,10,16,20,25,32,40,50,63
Poles: 1P,2P,3P,4P
Rated voltage Ue(AC): 230/400V
Rated frequency: 50/60Hz
Insulation volage Ui: 500V
Rated breaking capacity(A): 6KA
Rated impulse withstand voltage(1.2/50) Uimp (V): 4000
Dielectric test voltage at ind. Frq for 1 min (KV) : 2
Ambient temperature(with daily average <35 °C:-5~+40)
Thermo-magnetic release characteristic: B,C,D
Electrical life: 8,000
Contact position degree: lP20
Storage temperature(°C):-25~+70)
Reference temperature for setting ofthermal element(°C):30
| Part No | Description |
| WCA106B~163B | 1Pole 6Amps~63Amps B Curve 6kA MCB |
| WCA206B~263B | 2Pole 6Amps~63Amps B Curve 6kA MCB |
| WCA306B~363B | 3Pole 6Amps~63Amps B Curve 6kA MCB |
| WCA406B~463B | 4Pole 6Amps~63Amps B Curve 6kA MCB |
| WCA106C~163C | 1Pole 6Amps~63Amps C Curve 6kA MCB |
| WCA206C~263C | 2Pole 6Amps~63Amps C Curve 6kA MCB |
| WCA306C~363C | 3Pole 6Amps~63Amps C Curve 6kA MCB |
| WCA406C~463C | 4Pole 6Amps~63Amps C Curve 6kA MCB |
| WCA106D~163D | 1Pole 6Amps~63Amps D Curve 6kA MCB |
| WCA206D~263D | 2Pole 6Amps~63Amps D Curve 6kA MCB |
| WCA306D~363D | 3Pole 6Amps~63Amps D Curve 6kA MCB |
| WCA406D~463D | 4Pole 6Amps~63Amps D Curve 6kA MCB |
Rich Specifications for Diverse Needs:
LaiWo as professional miniature circuit breaker manufacturers, the WCA series offers a rated current range of 6-63A, supports multiple pole options (1P, 2P, 3P, 4P), and features three types of thermo-magnetic release characteristics (B, C, D). It can accurately match different circuit load scenarios (such as lighting, power equipment, etc.).
Line with International Standards:
The product strictly complies with the IEC/EN60898 standard, with a rated breaking capacity of 6KA, which can effectively cut off fault currents. It has an electrical life of 8,000 times, an insulation voltage of 500V, and a dielectric test voltage of 2KV at industrial frequency for 1 minute, ensuring long-term stable operation.
Strong Environmental Adaptability:
Designed to operate in an ambient temperature range of -5~+40°C (with a daily average below 35°C), coupled with a reference temperature of 30°C for the setting of thermal elements, the WCA series can maintain stable performance in various environments.
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