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MAIN
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Range of Product
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MKM1 |
|
Product or component type
|
Enclosed moulded case circuit breaker |
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Suitability for isolation
|
Yes |
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Trip unit technology
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Thermal-magnetic |
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Device application
|
Motor protection |
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Voltage release type
|
Shunt trip release Under voltage release |
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Provided equipment
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Alarm, Motor mechanism, Handle, Terminal extension, Interphase barriers, MN or MX voltage release. |
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COMPLEMENTARY
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Pole description
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3P |
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[In] rated current
|
400 A |
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Frame size
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400AF |
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[Ue] rated operational voltage
|
400/415 V |
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Network type
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AC |
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Network frequency
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50...60 Hz |
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Electrical durability
|
4000 cycles |
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Mechanical durability
|
20000 Cycles with maintenance, 10000 cycles without maintenance |
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[Uimp] rated impulse withstand voltage
|
8 kV |
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[Ics] Rated service breaking capacity
|
30 kA |
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[Icu] Rated breaking capacity
|
50 kA |
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Ui] Rated insulation voltage
|
800 V |
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Mounting mode
|
Fixed front |
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Clamping connection capacity
|
240 mm² |
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Tightening torque
|
9.5…10.5 N.m |
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Utilisation category
|
Category A |
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Provision for padlocking
|
Handle padlockable in on and off position |
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Height
|
257 mm |
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Width
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150 mm |
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Depth
|
107.5 mm |
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Net weight
|
4.6 kg |
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ENVIRONMENT
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|
IP degree of protection
|
IP20 |
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Pollution degree
|
3 |
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Ambient air temperature for operation
|
40.0 °C |
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Ambient air temperature for storage
|
-20…70 °C |
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Dielectric test voltage
|
3 kV |
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Operating altitude
|
0...2000 m |
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Standards
|
IEC 60947-2 |
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Product certifications
|
CE KEMA |