AR95: Asymmetry Relay

- Protects Against Phase Loss And Phase 
  Reversal

- Protects Against Undervoltage Or Overvoltage

- Protects Against Phase Unbalance

- Time Delay Adjustable From 0 To 10 Seconds.

- Unbalance Setting Range 5 - 15 %

            Asymmetry Relay AR95 This device monitors for 3 phase voltage imbalances, incorrect phase sequences, and undervoltage or overvoltage conditions (based on the 3 phase average). Under normal operating conditions, the relay is energized (ON) and the red LED is illuminated. If a voltage imbalance exceeds the preset threshold, the relay de-energizes (OFF); a time delay of 0-10 seconds can be configured for this de-energization using the "Delay" adjustment knob. The device serves to protect against unbalanced loads, phase loss (incomplete 3 phase supply), phase reversal, undervoltage, and overvoltage.

Specifications

Input

Number of Channel:

1 Channel

Input Type:

3 Phase

Input Range:

110, 380 VAC (Line to Line Voltage)

Unbalance:

Adjustable 5 to 15 % of Vn.

Over Voltage:

Adjustable 100 to 120 % of Vn. (Average of Three Phase)

Under Voltage:

Adjustable 100 to 80 % of Vn. (Average of Three Phase)

Time Delay:

Adjustable 0 to 10 sec

Relay Output

Number of Channel:

1 Channel

Relay Type:

N.O., N.C. (SPDT)

Contact Rating:

3 A @ 250 VAC

Power Requirements

Power Supply:

110, 380 VAC

Environmental Limits

Operating Temperature:

0 to 55 °C

Operating Humidity:

5 to 95 %RH

Storage Temperature:

0 to 70 °C

Physical Characteristics

Dimension:

W50 x H70 x D130 mm.

Mounting:

Wall or DIN rail

Connection:

Plug-in 11 pins socket

Wiring:

Screw terminals on base socket

Warranty

Warranty Period:

5 year
Ordering
Ordering Information: Specify Input
Example AR95/380 VAC
Packagelist

Package Checklist

1. AR95

Downloads
Datasheet: 
application/pdf iconAR95 Specification ENG.pdf