GEK-45404
6
such that the tripping current does not pass through the contacts of the target and seal-in coil of the
protective relay.

BURDENS

Burdens for the various relay types are give in Tables IIIA and B.
TABLE IIIA
60 - Cycle Burdens Rated Voltage
RELAY
TYPES VOLTAGE
RATING TAP**SETTING VOLT-AMPS POWER
FACTOR WATTS
1AV51D 115 A(10) 31.4 0.33 10.2
B(15) 27.2 0.57 15.6
C(25) 19.0 0.82 15.6
D(40) 12.3 0.93 11.4
IAV51D 199 A(16) 32.0 0.31 9.9
IAV52D B(24) 27.9 0.56 15.6
C(40) 20.0 0.81 16.2
D(64) 13.2 0.92 12.2
IAV51D 345 A(28) 41.5 0.37 15.5
B(42) 35.0 0.62 21.6
C(70) 23.9 0.85 20.3
D(112) 13.6 0.95 12.9
IAV51K 67 A(5.4) 34.0 0.31 10.5
IAV52K B(7.5) 31.0 0.52 15.9
C(12.5) 23.1 0.77 17.7
D(20) 16.0 0.9 14.4
115 No Taps 24.2 0.21 5.0
IAV52C 199 No Taps 32.0 0.31 9.9
345 No Taps 41.5 0.37 15.5
1AV51D 115 A(10) 36.8 0.34 12.6
B(15) 30.8 0.62 19.0
C(25) 20.3 0.86 17.4
D(40) 12.7 0.95 12.0
IAV51D 199 A(16) 25.4 0.28 7.0
B(24) 23.1 0.5 11.5
C(40) 17.8 0.74 13.3
D(64) 12.4 0.88 11.0
TABLE IIIA (CONTINUED)