Phase failure relays are designed to monitor 3-phase motors against overheating and damage caused by phase faults and voltage unbalance at industrial plants.

Product Code
Phase Failure
DIN2 Rail Mounting
DIN1 Rail Mounting
Operating Range (ΔU)
Operating Voltage (Un)
Contact Output
1 N/O Contact
1 C/O Contact
Adjustable OFF-Delay
Adjustable ON-Delay
Without Neutral
Adjustable Asymmetry
Fixed Asymmetry
PTC Protection
Phase Sequence Failure
Qty (Pcs.) / Carton
MK-01
220-230 VAC 230 VAC 8A,2000 VA
%20
20
MKC-01
220-230 VAC 230 VAC 8A,2000 VA
%20
16
MKS-01
220-230 VAC 230 VAC 8A,2000 VA
%20
28
MKC-03
220-230 VAC 230 VAC 8A,2000 VA
%40
16
MKS-03
220-230 VAC 230 VAC 8A,2000 VA
%40
28
MKC-03P
220-230 VAC 230 VAC 8A,2000 VA
%40
16
MKC-04
380-400 VAC 380 VAC 8A,2000 VA
%40
16
MKC-04-U69
160-690 VAC 380 VAC 8A,2000VA
%10
16
MKC-05
220-230 VAC 230 VAC 8A,2000 VA
%5-15
16
MKC-05P
220-230 VAC 220 VAC 8A,2000 VA
%5-15
16
MKC-06
380-400 VAC 400 VAC 8A,2000 VA
%5-15
16
MKC-06P
380-400 VAC 380 VAC 8A,2000 VA
%5-15
16
MKC-30
220-230 VAC 230 VAC 8A, 2000 VA
%5-25
28
  (Included)
  (Not Included)
  (Optional)
  (Deactivatable)
  (Modular)
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