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The Schurter Inc. 4420.024 is a thermal-magnetic circuit breaker with a 2-pole configuration, suitable for industrial appliances. It offers a rated current of 25A and supports AC voltage ratings of 480V (UL/CSA) and 240V (IEC), along with a DC voltage rating of 65V.
This circuit breaker provides a conditional short circuit capacity of 5 kA at 420V AC / 65V DC (IEC) and 5 kA at 480V AC (UL 508, no fuse). It is designed for DIN-Rail mounting and features a manual ON/OFF lever actuation type. The device has a degree of protection from the front side of IP40.
Key electrical specifications include a dielectric strength greater than 2 kV at 50 Hz and an insulation resistance greater than 5 MΩ at 250/440 VAC. Mechanical specifications include vibration resistance up to 10 G and shock resistance of 30 G / 18 ms. The operating ambient temperature range is -10 °C to 55 °C.
This product is marked as phase-out, with the last order possibility on 31.08.2018 and the last delivery date on 30.09.2018. It is designed according to standards such as IEC 60934 and UL508.
Rated voltage: 240 V AC (IEC), 277 V AC (UL/CSA), 65 V DC.
-10°C to 55°C.
Mounting type: DIN Rail; packaging: Bulk.
Conditional short circuit capacity up to 10 kA (UL 1077 with fuse) and 5 kA without fuse for AC 480 V; 2 kA for DC 65 V.
CSA C22.2 No 14, CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL 1077, UL 508.
Manual ON/OFF.
Permissible wire cross section: 1.5 - 25 mm² (16 - 4 AWG).