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RS-422/RS-485/RS-232 interface splitters
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RS-422/485 PR-3 interface splitter
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RS-422/485 PR-4 interface splitter
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RS-422/485 PR-6 interface splitters
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RS-422/485 PR-8 interface splitters
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RS-422/485 PR-10 interface splitters
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RS-485 interface splitters, equipped with 120 Ohm terminators installed
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RS-485 RK-3 interface and power splitters
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TP-4 interface terminators
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DIN rail interface splitters RS-422/485
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- RS-422 / RS-485 / RS-232 converters and repeaters
- Surge protection devices
- Hour counter
- Modules input-output
- Surge suppression filters
- Voltage relay
- Time relay
- Phase control relay
- Insulation monitoring relay
- Photo relay
- PSU power supplies
- Measuring instruments
- Electronic phase switch
- Transitional test box
- Motor protection device (MPD)
- New devices in development
- Custom development
- Potential equalization box (KUP)
- Intermediate relays
- Load resistors
- Programmable Logic Controller (PLC)
Phase control relay VCR33
• protection against undervoltage and overvoltage, phase failure;
• protection against "sticking" and changing the order of phase sequence.
- Description
- Specifications
- Shipping
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Microprocessor voltage relay device VCR33 is designed to control line voltage in three-phase networks without neutral:
• protection against undervoltage and overvoltage, phase failure;
• protection against "sticking" and changing the order of phase sequence. -
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Parameter
Meaning
RatedlinevoltageUNOMAC,V
690
MinimumlinevoltageAC,V
300
MaximumlinevoltageAC,V
950
Networkfrequency,Hz
45-65
Protectionoperationthresholds,∆U%
5-25
Operationthresholderror,V
±6
Thewidthofthe"hysteresis"zoneofthethreshold,V
±17
Adjustabledelayofoperationofprotectionunderreduction(voltage below UNOM(1 - ∆U%)) and overvoltage (voltageaboveUNOM(1+∆U%)),s
0.1-10
ULVprotectionresponsetime(voltagebelow0.65UNOM)nomore,with
0.1
Theresponsetimeofultra-highvoltageprotection(voltageabove1.3UNOM)nomore,with
0.1
Protectionresponsetimeincaseofphasesequenceerror,nomorethan,s
0.1
Timetoreturntoworkingcondition,afternormalizationofnetworkparameters,nomorethan,s
0.1
FrequencyrangeAC,Hz
45..55
PowerconsumptionAC,VA,nomore
2
Maximumswitchingcurrent(DC(30V),AC(250V50Hz)),A
8
MaximumswitchedDCvoltage(atcurrentnotmorethan0.2A),V
300
MaximumswitchingvoltageAC,V
400
Insulationvoltagebetweenpowercircuitsandrelaycontacts,kV
3
Insulationvoltagebyrelaycontacts,kV
1
Vibrationresistance(30…300)Hz,g
5
Ambienttemperature,°C
–40…+50
Storagetemperature,°C
–40…+70
Relativeairhumidity(atatemperatureof+25°Candbelow),nomorethan,%
80
Atmosphericpressure,kPa
84..100
Caseprotectiondegree
IP20
Weight,nomorethan,g
90
Overalldimensions,mm
18x95x67
- 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.
Ask a question
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- Delivery in Cheboksary is free of charge.
-