EKM6-250H 250A Compact MCCB with 50kA Breaking Capacity

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

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Product Introduction

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.

Product Parameters

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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Looking ahead, ETEK Electric remains committed to becoming a globally renowned manufacturer in the new energy and electrical protection industry. We continue to focus on:
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