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The Schurter Inc. 4420.0281 is a thermal-magnetic circuit breaker designed for equipment protection. This 2-pole device features a manual ON/OFF actuation type and is suitable for DIN rail mounting.
Key electrical specifications include a rated current of 6A and a voltage rating of 480V AC. The breaker offers a conditional short circuit capacity of 5 kA according to IEC 60934 and UL 508 standards. It also supports a switched neutral function.
With a degree of protection from the front side of IP40, this circuit breaker is built for industrial applications. It has a lifetime of 6000 switching cycles at 1x Ir and operates within an ambient temperature range of -10 °C to 55 °C. The permissible wire cross section ranges from 1.5 to 25 mm² (16 to 4 AWG).
Approvals include CSA C22.2 No 14, CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, and UL508, indicating compliance with various safety standards for use in electrical equipment.
The rated current is 6A.
The AC voltage rating is 480V under UL/CSA standards and 420V under IEC standards.
The DC voltage rating is 65V.
The conditional short circuit capacity is 5 kA at 420V AC (IEC 60934) and 10 kA at 480V AC with fuse (UL 1077).
The operating temperature range is -10 °C to 55 °C.
This circuit breaker has 2 poles.
It is designed for DIN rail mounting.