描述
High-Quality Thermal Magnetic Molded Case Circuit Breaker for Low-Voltage Distribution Protection
SKS 250A 4P NF Cs Molded Case Circuit Breaker (MCCB) is a 4-pole thermal-magnetic circuit breaker based on the NF250-CS specification, with a breaking capacity of 25kA at 400V AC. It is designed to provide reliable overload and short-circuit protection for low-voltage power distribution systems, widely used in industrial, commercial and civil building distribution circuits.
Key Specifications
-
Rated Current (In): 250A
-
Poles: 4P (3L+N, three-phase four-wire)
-
Rated Operating Voltage (Ue): 400/415V AC
-
Breaking Capacity (Icu/Ics): 25kA / 12.5kA @ 400V AC
-
Trip Characteristic: Thermal-Magnetic (Inverse time for overload protection, instantaneous for short-circuit protection, generally 10-12 x In)
-
Applicable Standards: IEC 60947-2, GB 14048.2
-
Protection Function: Overload protection, short-circuit protection
-
Installation Method: Fixed type, bolt mounting
-
Protection Class: IP20
This MCCB is a direct replacement for Mitsubishi NF250-CS 4P 250A (original) and other domestic alternatives of the same model. It features stable performance, compact structure and easy installation, making it an ideal choice for end-of-distribution or branch circuit protection in various low-voltage power distribution scenarios.
评价
目前还没有评价