External input protection

The device is tested and approved for circuits up to 30 A (UL) and 32 A (IEC). External protection is only required if the supply line has a protection that is higher than this. Also check the local regulations and requirements. Local regulations may apply in some countries.

If an external fuse is required or used, minimum requirements must be taken into account to avoid false tripping of the circuit breaker.

• A circuit breaker with a minimum value of 16 A with B or C characteristic should be used if the device is used with AC 100 V or AC 120 V mains voltage (including AC 230 V).
• If the device is only used with AC 230 V mains voltage, a 10 A circuit breaker with B or C characteristic is sufficient.