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EKM1-OF Auxiliary contacts, EKM1-FB Alarm Auxiliary Contact for EKM1 MCB
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Auxiliary contact: linked with ON, OFF mechanism of main circuit of circuit breaker, mainly used for indication of circuit breaker ON, OFF status. To connect it into control circuit of breaker, through ON and OFF of circuit breaker, the auxiliary contact can take control or interlock to related electrical device.
The Alarm Auxiliary accessory indicates when a Miniature Circuit Breaker or Supplementary Protector is tripped. A trip can be a result of an overload, short-circuit, operation of Shunt-trip accessory, or Undervoltage / Overvoltage module.
Electrical Features |
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|
Rated value |
UN(V) |
IN (A) |
|
AC415V 50/60Hz |
3 | |
|
AC240V 50/60Hz |
6 | |
|
DC130 |
1 | |
| DC48 | 2 | |
| DC24 | 6 | |
|
Configurations |
EKM2-OF 1N/O+1N/C |
|
|
EKM2-FB 1N/O+1N/C |
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|
Rated impulse withstands voltage (1.2/50)Uimp |
4,000V |
|
|
Dielectric test voltage at ind. Freq. for1min |
2kV |
|
|
Insulation voltage |
500V |
|
|
Pollution degree |
2 |
|
Mechanical Features |
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| Electrical life | 6,050 Cycles | |
| Mechanical life | 10,000 Cycles | |
| Protection degree | IP20 | |
| Ambient temperature (with daily average≤35℃) | -5℃~+40℃ | |
| Storage temperature | -25℃~+70℃ | |
Installation |
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| Terminal connection type | Cable | |
| Terminal size top / bottom for cable | 2.5mm²18-14AWG | |
| Tightening torque | 0.8Nm 7In-Ibs | |
Auxiliary contact: linked with ON, OFF mechanism of main circuit of circuit breaker, mainly used for indication of circuit breaker ON, OFF status. To connect it into control circuit of breaker, through ON and OFF of circuit breaker, the auxiliary contact can take control or interlock to related electrical device.
The Alarm Auxiliary accessory indicates when a Miniature Circuit Breaker or Supplementary Protector is tripped. A trip can be a result of an overload, short-circuit, operation of Shunt-trip accessory, or Undervoltage / Overvoltage module.
