7. Connection Diagram
8. Case Dimensions
a) Overcurrent relay
a) Combined IDMT overcurrent and earth fault relays
96 mm
9
6
m
Fr o nt
110mm100mm
90
90mm
L1
L2
L3
N
MK 203A
R1
MK 202A
Page 1: ...a b c d h g f e a Auxiliary power supply indicator b High set start trip status indicator c Low set start trip status indicator d Overcurrent high set adjustment e Trip reset button f Test button g O...
Page 2: ...to 10 This high set feature can be disabled by setting the tripping current to infinity Time Multiplier TM Adjustment The time multiplier is for setting the normal inverse time current characteristic...
Page 3: ...oval of fault current This relay can only be reset by pressing the RESET button 5 Electrical Specification Auxiliary Supply MK203A 240A 198 265 VAC MK203A 110A 94 127 VAC Supply frequency 50Hz VA rati...
Page 4: ...onnection Diagram 8 Case Dimensions a Overcurrent relay a Combined IDMT overcurrent and earth fault relays 96 mm 9 6 mm Front 110mm 100mm 90mm 90mm L1 L2 L3 N MK 203A R1 MK 202A R1 L1 L2 L3 N MK 203A...
