The RCD 4P 40A 0.03A AC CDC440J is a residual current circuit breaker designed to protect electrical systems from hazardous fault currents. With a rated current of 40 A and a fault current sensitivity of 30 mA, this device offers a reliable safety solution for various applications. The switch is designed for mounting on a DIN rail and features four poles, making it ideal for use in three-phase systems. The high rated insulation voltage of 900 V and the operating temperature range of -5 to 40 °C ensure broad applicability in different environments. With an electrical lifespan of 2000 cycles and a mechanical durability of also 2000 cycles, this residual current circuit breaker is both robust and long-lasting. The IPX2 protection rating provides additional protection against water ingress, further enhancing the safety and reliability of the device.

• Operating temperature range of -5 to 40 °C
• High rated insulation voltage of 900 V
• Suitable for mounting on DIN rails
• IPX2 protection rating for additional water protection
• Long electrical and mechanical lifespan of 2000 cycles.