Three-Phase  Relays

Type B1PRC       Phase Failure/ Under & Over Voltage Plus Time Delay
Type B1PRC-4W Phase Failure/ Under & Over Voltage Plus Time Delay

 

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3-Phase Relay Types B1PRC and B1PRC-4W

 

 

Three Phase Relays  Type No's B1PRC and B1PRC-4W
B1 Series 11 Pin Plug-In Three-Phase Relays

Dims: (mm)
H.80 x W.40 x D.92

Type No. B1PRC B1PRC-4W
Function Voltage Voltage
Under / Over Voltage Under and Over Under and Over
Adjustable Trip Level Yes Yes
Phase Loss (Failure) Yes Yes
Neutral Loss No Yes
Phase Sequence (Rotation) No No
Phase Asymmetry No No
Time Delay (from
fault)
0.2 to 10 seconds 0.2 to 10 seconds
Output 1 x SPDT Relay 1 x SPDT Relay
Output Rating 10A @ 250V AC 10A @ 250V AC
Integral Transformer Yes Yes
Supply Voltage Un 220, 380, 400, 415, 480V AC 220, 380, 400, 415V AC
  - -
Monitoring Range Monitors own Supply Monitors own Supply

 

How to order: Please quote Type Number, Voltage and Quantity
Type No. B1PRC Connection Diagram

Installation / Data Sheet Supplied

Note: This relay is shown in the de-energised
          condition.

Monitored Supply
B1PRC Key Features Function Diagram
Monitors Own Supply
Detects Under or Over Voltage
Adjustable Under & Over Voltage Trip Level
Phase Loss (Failure) Detection
Adjustable Time Delay
SPDT Relay Output 8A
Plug-In
LED Indication

 

Specifications Type No. B1PRC  Three-Phase Relay

Supply / Monitoring Voltage Un: 230, 380, 400, 415, 480V AC,  45 to 65Hz
(80 to 120% of Un)
  -
Trip Levels: Lower: 85 to 95%.    Upper: 105 to 115%    (of Un)
  -
Power Consumption: ≈ 8VA  (red and blue phases)
  ≈ 1VA  (yellow phase) @ 120% of Un
  -
Isolation: Over voltage CAT. III (IEC 60664)
Rated Impulse / Withstand Voltage 4kV (1.2 / 50µS
  -
  -
Hysteresis: < 2%
Time Delay: 0.2 to 10 seconds (-10/+30% on max.)
  -
Contact Rating: 1 x SPDT
  AC1    250V AC / 10A (2500VA)
  AC15  250V AC / 6A
  DC1    25V DC / 10A (250W)
Electrical Life: Minimum 150,000 ops at rated load
Ambient Temperature: -20°C to +60°C
Relative Humidity: +95%
Housing Flame Retardant UL94 VO
Weight ≈ 250g
Conforms To: UL 508, CSA 22.2 / 14, IEC 60664, IEC 60947
Approvals: CE Compliant

 

How to order: Please quote Type Number, Voltage and Quantity
Type No. B1PRC-4W (4 Wire) Connection Diagram

Installation / Data Sheet Supplied

Note: This relay is shown in the
          de-energised condition.

 

B1PRC-4W Key Features Function Diagram
Monitors Own Supply
Detects Under or Over Voltage
Adjustable Under & Over Voltage Trip Level
Phase Loss (Failure) Detection
Neutral Loss Detection
Adjustable Time Delay
SPDT Relay Output 8A
Plug-In
LED Indication

 

Specifications Type No. B1PRC-4W (4 Wire) Three-Phase Relay

Supply / Monitoring Voltage Un: 230, 380, 400, 415V  AC,  45 to 65Hz
(80 to 120% of Un)
  -
Trip Levels: Lower: 85 to 95%.    Upper: 105 to 115%    (of Un)
  -
Power Consumption: ≈ 8VA  (red and blue phases)
  ≈ 1VA  (yellow phase) @ 120% of Un
  -
Isolation: Over voltage CAT. III (IEC 60664)
Rated Impulse / Withstand Voltage 4kV (1.2 / 50µS
  -
  -
Hysteresis: < 2%
Time Delay: 0.2 to 10 seconds (-10/+30% on max.)
  -
Contact Rating: 1 x SPDT
  AC1    250V AC / 10A (2500VA)
  AC15  250V AC / 6A
  DC1    25V DC / 10A (250W)
Electrical Life: Minimum 150,000 ops at rated load
Ambient Temperature: -20°C to +60°C
Relative Humidity: +95%
Housing Flame Retardant UL94 VO
Weight ≈ 250g
Conforms To: UL 508, CSA 22.2 / 14, IEC 60664, IEC 60947
Approvals: CE Compliant

 

 

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