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The Schurter Inc. 4420.0839 is a single-pole, thermal-magnetic circuit breaker suitable for industrial appliances and other applications requiring reliable circuit protection. It is designed for DIN rail mounting, facilitating easy integration into control panels and electrical enclosures.
Key electrical specifications include a rated voltage of 277V AC and a rated current of 35A. The breaker offers a conditional short circuit capacity of 5 kA at 277V AC (no fuse) according to UL 508 standards. It operates within an ambient temperature range of -20°C to 60°C and has a lifetime of 6000 switching cycles at 1x Ir.
Mechanical features include a manual ON/OFF actuation type and a positively trip-free mechanism. The permissible wire cross-section ranges from 1.5 to 25 mm² (16 to 4 AWG). The ingress protection rating from the front side is IP40.
This circuit breaker is designed according to industry standards such as IEC 60934 and UL508, UL1077. Approvals include CSA and VDE.
The rated voltage is 277V AC and 65V DC.
The current rating is 35A.
This circuit breaker is designed for DIN rail mounting.
The operating temperature range is -20°C to 60°C.
The conditional short circuit capacity is 5 kA at 277V AC (no fuse) according to UL 508.