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The Schurter Inc. 4404.0003 is a thermal circuit breaker designed for equipment protection. It features a snap-in mounting type suitable for front-side installation on panels with thicknesses from 0.8 to 2.0mm. This 1-pole breaker operates with a rated voltage of 240 VAC or 48/32 VDC and has a current rating range of 3A to 16A.
Key electrical specifications include a conditional short circuit capacity of 2 kA (IEC and UL/CSA) and a dielectric strength of 1500 VAC. The insulation resistance is rated at over 1000 MΩ at 500 VDC. The device offers a degree of protection of IP40 on the front side.
Thermal performance is characterized by an allowable operating temperature range that varies slightly with current rating, generally from -5°C to 60°C. Endurance specifications indicate a minimum of 50 switching cycles under IEC conditions and typical endurance of 2500 cycles for 3-8A and 6000 cycles for 10-16A at a power factor of 0.9.
This circuit breaker is designed for applications such as power supplies, uninterruptible power supplies, power tools, industrial appliances, HVAC systems, and household appliances. It features quick connect terminals (6.3 x 0.8 mm) and a push-to-reset actuator type with a cycling trip-free release mechanism. Approvals include VDE, UL, and CCC.
The rated voltage is 240 VAC and 48/32 VDC.
The rated current ranges from 3A to 16A.
The degree of protection on the front side is IP40.
The allowable operating temperature is -5°C to 60°C for 3A and 5-16A ratings, and -5°C to 50°C for the 4A rating.
Yes, it is RoHS3 Compliant.
The MSL is 1 Unlimited.
Yes, it is REACH Unaffected.