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Circuit Breakers & Components

CM1 Molded Case Circuit Breaker (MCCB) 400A 4P

Model: CM1-400H/4300

CM1 series molded case circuit breaker (MCCB) rated 400A, 4P, 400/690V AC, breaking capacity 50kA. Thermal-magnetic trip unit with adjustable overload and fixed short-circuit protection. Compact design, DIN-rail or panel mounting. IEC 60947-2 certified for feeder and motor protection.

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CM1 Molded Case Circuit Breaker (MCCB) 400A 4P

Technical Data

Rated Current400A
Number of Poles4P
Rated Operating Voltage400/690V AC
Rated Breaking Capacity (Icu@400V)50kA
Trip UnitThermal-magnetic, adjustable overload
MountingDIN-rail / Panel
Mechanical Life20,000 operations
AccessoriesShunt trip, undervoltage, auxiliary contacts
StandardIEC 60947-2, GB 14048.2

Product Features

Thermal-magnetic trip with adjustable overload settings

Push-to-trip button for manual testing

Compact design saves panel space

DIN-rail and panel mounting options

Available shunt trip and undervoltage releases

Auxiliary and alarm contacts for remote signaling

High breaking capacity for harsh environments

Product Images

CM1 Molded Case Circuit Breaker (MCCB) 400A 4P image 1
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