Abb 220-250V AC/DC Minimum Voltage Coil A120839
ABB A120839
7612271208394
Abb minimum voltage coil, with the following characteristics:
- Nominal operating voltage 220...250 Vac
- Nominal voltage (Ur) 220...250 Vac
- Frequency 50/60 Hz
- Power loss 1.71...1.91 W - 1.9 VA
Abb 220-250V AC/DC Minimum Voltage Coil A120839
€127.83
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€127.83
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The minimum voltage coils protect the consumers in case of power failure or voltage drop between 70% and 35% of its nominal value. After tripping, it is possible to reset the coupled circuit breaker when the voltage is higher than 85% of the rated voltage.
The minimum voltage coil can be controlled by an emergency pushbutton to cut off the power supply in complete safety. It is mounted on the left side of the S800 breaker.
Auxiliary contacts are secondary switching devices that operate in conjunction with primary switching equipment such as circuit breakers, relays, and contactors. These contacts are physically connected to the main switching mechanism and are activated simultaneously.
What are they used for? Auxiliary contacts are used for various functions, e.g. self-holding, consent/block, signalling, interlocking.
This type of coilmakes it possible to create an emergency circuit with positive safety thanks to the opening of the circuit in the event of a power failure , either by pressing a button or by damaging the emergency circuit. This system combines the safety of the minimum voltage coil with the continuity of service of the current coil (in case of voltage dips or interruptions , when the power supply is restored the NO contacts close again without the need of an operator's intervention ).
Features:
- Abb series
- Nominal operating voltage 220...250 V
- Nominal voltage (Ur) 220...250 V
- Rated control supply voltage (Us) (50 Hz) 250...250 V
- Rated control power supply voltage (50 Hz) 250...250 V
- Rated control power supply voltage (60 Hz) 250...250 V
- Rated control power supply voltage (60 Hz) 250...250 V
- Rated control supply voltage (DC) 250...250 V
- Rated control power supply voltage (DC) 250...250 V
- Frequency 50/60 Hz
- Power loss 1.71...1.91 W - 1.9 VA
- Width 27 mm
- Height 95 mm
- Length 27 mm
- Depth 82.5 mm
- Net weight 150 gr
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Data sheet
- Type: Coils
- Model: Minimum Voltage
