Voltage monitoring relay VCR22
• protection against undervoltage and overvoltage;
• protection against "sticking" and changing the order of phase sequence.
- Description
- Specifications
- Shipping
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Microprocessor voltage relay device VCR22 is designed to control voltage in three-phase networks with neutral:
• protection against undervoltage and overvoltage;
• protection against "sticking" and changing the order of phase sequence. -
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Parameter
Meaning
Supply voltage phase UNOMAC, V
230
Maximum phase voltage AC, V
330
Network frequency, Hz
45 - 65
Overvoltage thresholds "Umax", V
61, 64, 67, 68, 69, 70, 71, 72, 73, 74
Voltage reduction thresholds "Umin" V
42, 43, 44, 45, 46, 47, 48, 49, 52, 55
Operation threshold error, %
1.5
The width of the "hysteresis" zone of the threshold, V
± 2.5
Adjustable response delay, s
0.1 - 9
Frequency range AC, Hz
45..55
Power consumption AC, VA, no more
2.5
Maximum switching current ( DC (30V), AC (250V 50Hz)), A
8
Maximum switched DC voltage (at current not more than 0.2A), V
300
Maximum switching voltage AC, V
400
Insulation voltage between power circuits and relay contacts, kV
3
Insulation voltage by relay contacts, kV
1
Vibration resistance (30…300) Hz, g
5
Ambient temperature, °C
– 40…+50
Storage temperature, °C
– 40…+70
Relative humidity (at temperature + 25 °С and below), no more than, %
80
Atmospheric pressure, kPa
84..100
Case protection degree
IP20
Weight, no more than, g
90
Overall dimensions, mm
18x95x67
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Delivery in Cheboksary is free of charge.
If you order delivery in Cheboksary before 13 hours, delivery is carried out the next day.
The courier is closed on weekends and public holidays.
Delivery in Russia and the CIS countries (Belarus, Kazakhstan, etc.) is carried out through the transport company of your choice. The delivery time depends on the selected company and your location. The exact cost of delivery is calculated by your manager after placing an order on the website or sending an email request. The delivery terms are calculated based on the tariffs of the transport service you selected.
Delivery to the terminal of the transport company in Cheboksary - free of charge!
We work with the following transport companies:
SDEC;
Business lines;
PECK;
Russian Post;
you can also call a courier or pick up the goods by pickup.
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