A.L.T.S AUTOMATIC LOAD TRANSFER SWITCH
INT S/W (I.S) INTERRUPTER SWITCH
L.B.S LOAD BREAKER SWITCH
A.S.S AUTO SECTION SWITCH
V.C.B VACUUM CIRCUIT BREAKER
C.O.S CUT OUT SWITCH
P.F POWER FUSE
M.O.F METERING OUT FIT
P.T POTENTIAL TRANSFORMER
C.T CURRENT TRANSFORMER
TR TRANSFORMER
L.A LIGHTNING ARRESSTERS
S.A SURGE ABSORBER
L.S LINE SWITCH
G.C.B GAS CIRCUIT BREAKER
D.S DISCONNECTING SWITCH
V.C.S VACUUM CONTACTOR SWITCH
A.C.B AIR CIRCUIT BREAKER
A.T.S AUTO TRANSFOR SWITCH
V.S.S VACUUM TRANSFOR SWICH
M.C.C.B MOLDED CASE CIRCUIT BREAKER
E.L.B EARTH LEAKAGE BREAKER
N.F.B NO FUSE BREAKER
MG MAGNETIC SWITCHES
MG MAGNETIC SWITCHES
DM DEMAND METER
VAR-H VAR-HOUR METER
VAR-M VAR METER
K.W.M KILO WATT METER
K.W.M KILO WATT METER
W.M WATT METER
A.M AMPERE METER
V.M VOLT METER
V.M VOLT METER
F.M FREQUENCY METER
P.F.M POWER FACTOR METER
Vo ZERO PHASE SEQUENCE VOLTMETER
50/51(O.C.R) OVER CURRENT RELAY
51/G(O.C.G.R) OVER CURRENT GROUND RELAY
27 (U.V.R) UNDER VOLTAGE RELAY
59 (O.V.R) OVER VOLTAGE RELAY
64 (O.V.G.R) OVER VOLTGE GROUND RELAY
E.L.D EARTH LEAKAE DETECTOR
V.S VOLTAGE SWITCH
A.S AMPERE SWITCH
A.S AMPERE SWITCH
C.O.S CHANGE OVER SWITCH
Z.C.T ZERO PHASE CURRENT TREANSFORMER
P.T.T(V.T.T) P.T(VOLTAGE) TEST TERMINAL
C.T.T(A.T.T) C.T(AMPERE) TEST TERMINAL
G.P.T GROUND POTENTIAL TRANSFORMER
T/D TRANSDUCER
REC RECTIFIER UNIT
A.V.R AUTOMATIC VOLTAGE REGULATOR
U.P.S UNINTERRUPTEBLE POWER SUPPLY
INT S/W (I.S) INTERRUPTER SWITCH
L.B.S LOAD BREAKER SWITCH
A.S.S AUTO SECTION SWITCH
V.C.B VACUUM CIRCUIT BREAKER
C.O.S CUT OUT SWITCH
P.F POWER FUSE
M.O.F METERING OUT FIT
P.T POTENTIAL TRANSFORMER
C.T CURRENT TRANSFORMER
TR TRANSFORMER
L.A LIGHTNING ARRESSTERS
S.A SURGE ABSORBER
L.S LINE SWITCH
G.C.B GAS CIRCUIT BREAKER
D.S DISCONNECTING SWITCH
V.C.S VACUUM CONTACTOR SWITCH
A.C.B AIR CIRCUIT BREAKER
A.T.S AUTO TRANSFOR SWITCH
V.S.S VACUUM TRANSFOR SWICH
M.C.C.B MOLDED CASE CIRCUIT BREAKER
E.L.B EARTH LEAKAGE BREAKER
N.F.B NO FUSE BREAKER
MG MAGNETIC SWITCHES
MG MAGNETIC SWITCHES
DM DEMAND METER
VAR-H VAR-HOUR METER
VAR-M VAR METER
K.W.M KILO WATT METER
K.W.M KILO WATT METER
W.M WATT METER
A.M AMPERE METER
V.M VOLT METER
V.M VOLT METER
F.M FREQUENCY METER
P.F.M POWER FACTOR METER
Vo ZERO PHASE SEQUENCE VOLTMETER
50/51(O.C.R) OVER CURRENT RELAY
51/G(O.C.G.R) OVER CURRENT GROUND RELAY
27 (U.V.R) UNDER VOLTAGE RELAY
59 (O.V.R) OVER VOLTAGE RELAY
64 (O.V.G.R) OVER VOLTGE GROUND RELAY
E.L.D EARTH LEAKAE DETECTOR
V.S VOLTAGE SWITCH
A.S AMPERE SWITCH
A.S AMPERE SWITCH
C.O.S CHANGE OVER SWITCH
Z.C.T ZERO PHASE CURRENT TREANSFORMER
P.T.T(V.T.T) P.T(VOLTAGE) TEST TERMINAL
C.T.T(A.T.T) C.T(AMPERE) TEST TERMINAL
G.P.T GROUND POTENTIAL TRANSFORMER
T/D TRANSDUCER
REC RECTIFIER UNIT
A.V.R AUTOMATIC VOLTAGE REGULATOR
U.P.S UNINTERRUPTEBLE POWER SUPPLY
Comment