Standard: IEC60947-2
Poles: 3P
Frame Current: 250A
Rated Current: 63-250A
Rated voltage: 800/1000/1140V
Rated insulation voltage: 1150V
Rated impulse withstand voltage: 12kV
Trip unit technology: Thermal-magnetic
Ambient Temperature: -25...+40 ºC
EKM6-250H is an advanced molded case circuit breaker designed for demanding industrial environments. With a frame rating of 250A and adjustable current settings from 63A to 250A, this versatile protection device offers exceptional flexibility for various applications.
The unit features superior short-circuit protection with a breaking capacity (Icu) of 50kA at 800V, 20kA at 1000V, and 15kA at 1140V, ensuring reliable protection even in high-fault conditions. Its service breaking capacity (Ics) of 35kA at 800V ensures continued performance after short-circuiting events.
Built to IEC60947-2 standards with 3-pole configuration, the EKM6-250H provides 1150V insulation voltage and 12kV impulse withstand capability. The thermal-magnetic trip unit delivers precise overcurrent protection across an operating temperature range of -25°C to +40°C. With a mechanical life of 20,000 operations and electrical life of 1,500 operations, the EKM6-250H offers long-term reliability for critical power distribution systems.
| Model | EKM6-250H | |
| Ampere frame (Inm) | 250A | |
| Rated current (In) | 63,80,100,125,140,160,180,200,225,250A | |
| Rated insulation voltage (Ui) | 1150V | |
| Rated impulse withstand voltage (Uimp) | 12kV | |
| Rated operational voltage (Ue) | 800V, 1000V, 1140V | |
| Rated ultimate short-circuit Breaking capacity (Icu) kA | 800V | 50 | 
| 
 | 1000V | 20 | 
| 
 | 1140V | 15 | 
| Rated service short-circuit breaking capacity (Ics) kA | 800V | 35 | 
| 
 | 1000V | 15 | 
| 
 | 1140V | 15 | 
| Isolation function | Available | |
| Utilization category | Cat.A | |
| Type of trip unit | Thermal-Magnetic | |
| Mechanical life (Times) | 20000 | |
| Electrical life (Times) | 1500 | |
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