Page 785 - ABB_Motor _Protection_and_Control_catalogue_20221216

ABB MOTOR PROTECTION AND CONTROL 6/47

—
EF460, EF750, EF1250DU electronic overload relays – 150 to 1250 A

Ordering details

The EF460, EF750 and EF1250DU are self-supplied electronic overload relays, which means no extra
external supply is needed. It offers reliable protection for motors in the event of overload or phase
failure. Easy to use like a thermal overload relay and compatible with standard motor applications, the
2CDC231013F0013 erational temperature range and the possibility to select a trip class (10E, 20E, 30E). Further features
electronic overload relay is convincing, above all, due to its wide setting range, high accuracy, high op-
are the temperature compensation, trip contact (N.C.), signal contact (N.O.), automatic or manual re-
set selectable, trip-free mechanism, STOP and TEST function and a trip indication. Busbar kits are
tion (1).
EF460-500 available as accessory for contactor mounting. The EF460 and EF750 have ATEX and IECEx certifica-
Setting Short-circuit Trip class Type Order code Weight
range protective device (1 pce)
A EF460 electronic overload relay, suitable for AF400, AF460 (1) kg
2CDC231014F0013 150 ... 500 690 V: 630 A, Type gG 10E, 20E, 30E EF460-500 1SAX721001R1101 1.170

1000 V: 1600 A, Type gG

250 ... 800
690 V: 800 A, Type gG
EF750-800
10E, 20E, 30E
1SAX821001R1101
EF750-800 EF750 electronic overload relay, suitable for AF580, AF750 (1) 3.905 06
1000 V: 1600 A, Type gG
EF1250DU electronic overload relay, suitable for AF1350, AF1650, AF2050
375 ... 1250 500 V: 1600 A, Type gG 10E, 20E, 30E EF1250DU-1250 1SFA739001R1001
2CDC231014F0013

EF1250DU-1250

38.8 1.53" 186.8 7.35" 0.87" 48.04 1.89" 7.26" 184.4 7.4" 187.9
6" 5.9" 22 4.06" 4.35"
152.3 28.4 1.12" 149.9 153.4 6.04" 103 110.5
74 2.91" 76 2.99"
41.5 1.63"
21 0.83" 83 3.27" 83 3.27" 40.5 1.59"
58 2.28" 58 2.28" 32 1.26" 53.3 2.1" 82 3.23"
28 1.1"
30.9 1.22" 76 2.99"
5.6 0.22"
2.36" 3.15" 100 3.94"
2.17" 60 80
55
0.28" 13 0.51" Ø 5.2 Ø 0.2" 1" Ø7 Ø0.28"
7 19.5 0.77" 25.5
192 7.56" 247 9.72"
Main dimensions mm,
inches EF460-500 EF750-800