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The Schurter Inc. 4404.0101 is a single-pole thermal circuit breaker designed for Through Hole mounting on PCBs. It operates with a rated AC voltage of 240V and a rated DC voltage of 48/32V, with a current rating of 8A. This breaker provides IP40 protection on the front side and features a push-to-reset actuator with a cycling trip-free release mechanism.
Key electrical specifications include a dielectric strength of 1500 VAC and an insulation resistance greater than 1000 MΩ at 500 VDC. The operating temperature range varies slightly with current, typically from -5°C to 60°C. Endurance specifications meet IEC standards, with a minimum of 50 switching cycles under specific conditions and typical endurance of 2500 to 6000 switching cycles depending on the current rating.
This circuit breaker is designed according to standards such as IEC 60934 and UL 1077, making it suitable for various applications including power supplies, industrial appliances, and HVAC systems. It supports wave soldering with a solderability rating of 245°C for 3 seconds and resistance to soldering heat up to 260°C for 10 seconds. The product is RoHS3 compliant and has an MSL of 1.
The rated voltage is 240 VAC and 48 VDC (nominal) with an additional 32 VDC nominal rating.
The rated current is 8 A.
Through-hole mounting.
The operating temperature range depends on the current rating. For 3 A: -5°C to 60°C; for 4 A: -5°C to 50°C; for 5-15 A: -5°C to 60°C.
It is approved under CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, and UL1077.
The conditional short circuit capacity is 2 kA under IEC 60934 (PC1, AC 240 V) and UL/CSA (SC, AC 240 V DC 48/32 V: C1).
The dielectric strength is 1500 VAC.