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The Schurter Inc. 4420.023 is a thermal-magnetic, single-pole circuit breaker designed for industrial appliances and equipment. It offers a current rating of 2A and voltage ratings of 277V AC and 65V DC.
Key technical specifications include a conditional short circuit capacity of 5 kA at 277V AC (UL 508) and 2 kA at 65V DC (UL 1077). The breaker operates within an ambient temperature range of -20 °C to 60 °C and has a lifetime of 6000 switching cycles at 1x Ir.
This circuit breaker is designed for DIN rail mounting and features manual ON/OFF lever actuation. It supports permissible wire cross-sections from 1.5 to 25 mm² (16 to 4 AWG). The degree of protection from the front side is IP40.
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 equipment protection.
It is rated for 277V AC (UL/CSA), 240V AC (IEC), and 65V DC.
-20°C to 60°C.
DIN rail mounting.
The product listing specifies 2A continuous current; the datasheet indicates a rated current range of 0.5-52A depending on approbations.
Conditional short circuit capacities: 5 kA at 240V AC / 65V DC (IEC 60934), 10 kA at 277V AC (with fuse, UL 1077), 5 kA at 277V AC (no fuse, UL 1077/508), and 2 kA at 65V DC (UL 1077).
It is approved to CSA C22.2 No 14, CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL 1077, and UL 508.
Greater than 2 kV at 50 Hz, with impulse withstand (1.2/50 μs).