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Circuit breaker Type B Hager CDB663E
The Hager CDB663E is a Type B single-pole circuit breaker designed for use in low-voltage electrical installations. Rated for a maximum current of 63 A and a nominal voltage of 230 V, this compact grey device offers protection against overloads and short circuits in residential and commercial distribution boards. With an IP20 protection rating and a power dissipation of 9.29 W, it is intended for indoor panel mounting where basic finger protection is required.
This Type B breaker provides precise thermal-magnetic trip characteristics suitable for protecting circuits with predominantly resistive loads. The 63 A rating supports higher-current branch circuits while maintaining coordinated protection within a distribution system. The low-profile design and standard mounting format simplify panel installation and replacement. IP20 enclosure ensures compliance with typical indoor distribution board safety requirements.
Install the circuit breaker on the DIN rail inside the electrical distribution board following local electrical codes and the panel manufacturers instructions. Ensure the supply is isolated before connecting conductors. Tighten line and load terminals to the torque values specified by the equipment manufacturer, and verify correct phase and polarity. After installation, switch the breaker on and check that it remains closed under normal load. Test trip function during commissioning according to applicable standards.
Use this Type B 63 A breaker for circuits with mainly resistive loads and where inrush currents are low to moderate. Do not use for circuits with high motor starting currents or electronic loads that require different trip characteristics; select an appropriate breaker type in those cases. Regularly inspect the distribution board for signs of overheating or loose connections and perform periodic testing as required by local regulations.
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