Voltage Monitoring Relays are designed to protect single or three-phase systems against voltage changes and phase sequence faults.

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GKRC PRO Advanced Voltage & Neutral Protection

Product Code
3 Phase
DIN2 Rail Mounting
Operating Range (ΔU)
Operating Voltage (Un) (L-N)
Operating Voltage (Un) (L-L)
Neutral Connection
Neutral Break Dedection
Neutral Break Sensitivity
Contact Output
Under / Over Voltage Protection
Under / Over Frequency Protection
Voltage Unbalance Protection
Phase Failture Protection
Phase Sequence Protection
Alarm On Delay
Alarm Off Delay
Qty (Pcs.) / Carton
GKRC PRO-21E
85-300 VAC 230 VAC 380-400 VAC
Adjustable from 1 to 8 1 C/O, 8A, 2000VA
12
GKRC PRO-22E
85-300 VAC 230 VAC 380-400 VAC
Adjustable from 1 to 8 2 C/O, 8A, 2000VA
12

Voltage Protection

Product Code
3 Phase
DIN1 Rail Mounting
DIN2 Rail Mounting
Operating Range (ΔU)
Operating Voltage (Un)
Contact Output
Auxiliary Supply
Without Neutral
OFF-Delay
ON-Delay
Phase Sequence Protection
Phase Failure
Over Voltage Protection
Under Voltage Protection
1 Phase
Qty (Pcs.) / Carton
GKRC-01
150-300 VAC 230 VAC 1 C/O,8A,2000 VA
12
GKRC-02
150-300 VAC 230 VAC 1 C/O,8A,2000 VA
12
GKRC-02F
150-300 VAC 230 VAC 1 C/O,8A,2000 VA
12
GKRC-02FA
190-260 VAC 230 VAC 1 C/O,8A,2000 VA
12
GKRC-03
270-510 VAC 400 VAC 1 C/O,8A,2000 VA
12
GKRC-03F
270-510 VAC 400 VAC 1 C/O,8A,2000 VA
12
GKRC-M2
150-300 VAC 230 VAC 1 C/O,8A,2000 VA
12
MCC-1D
160-260 VAC 230 VAC 1 N/O,8A,2000 VA
24
GKRC-30F
150-300 VAC 230 VAC 1 C/O, 8A, 2000 VA
24
  (Included)
  (Not Included)
  (Optional)
  (Deactivatable)
  (Modular)
  Via Communication
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