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The Schurter Inc. 3-101-231 is a thermal circuit breaker designed for equipment protection. This 1-pole device features THT terminals for convenient PCB mounting. It has a rated current of 8A and can handle up to 240 VAC or 48 VDC.
Key specifications include a conditional short circuit capacity of 2 kA (IEC and UL/CSA) and a degree of protection of IP40 on the front side. The circuit breaker is designed for a minimum of 50 switching cycles under IEC conditions and offers typical endurance ratings of 2500 cycles for 4-8A and 6000 cycles for 10-12A at a cos φ of 0.9.
Environmental and electrical characteristics include a dielectric strength of 1500 VAC and an insulation resistance greater than 1000 MΩ at 500 VDC. The operating temperature range is -5°C to 60°C for 5-12A and -5°C to 50°C for 4A. It is suitable for wave soldering processes, with solderability at 245°C for 3 seconds and resistance to soldering heat at 260°C for 10 seconds.
This circuit breaker is designed according to standards such as IEC 60934, UL 1077, and CSA C22.2 No. 235. It is RoHS3 compliant and suitable for applications including power supplies, uninterruptible power supplies, power tools, industrial appliances, HVAC, and household appliances.
240VAC and 48VDC.
Through-hole mounting with THT termination.
-5°C to 60°C for 5-12A models.
Yes, it is RoHS3 compliant.
CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077.
1500VAC.
2 kA under both IEC and UL/CSA conditions.