Page 755 - Motor_protection_and_control_Manual_motor_starters_ contactors
P. 755
EF460, EF750 electronic overload relays – 150 to 800 A
Ordering details
Description
The EF460 and EF750 are self-supplied electronic overload relays, which means no extra external supply
2CDC231013F0013 a thermal overload relay and compatible with standard motor applications, the electronic overload relay is
is needed. It offers reliable protection for motors in the event of overload or phase failure. Easy to use like
convincing, above all, due to its wide setting range, high accuracy, high operational temperature range and
the possibility to select a trip class (10E, 20E, 30E). Further features are the temperature compensation,
trip contact (N.C.), signal contact (N.O.), automatic or manual reset selectable, trip-free mechanism, STOP
and TEST function and a trip indication. Busbar kits are available as accessory for contactor mounting.
The EF460 and EF750 have ATEX and IECEx certification .
1)
EF460-500
Ordering details
Setting Short-circuit Trip class Type Order code Weight
range protective device (1 pce)
2CDC231014F0013 EF460 electronic overload relay 1) 10E, 20E, 30E EF460-500 1SAX721001R1101 1.170
kg
A
150 ... 500 690 V: 630 A, Type gG
1000 V: 1600 A, Type gG
EF750 electronic overload relay
1)
250 ... 800 690 V: 800 A, Type gG 10E, 20E, 30E EF750-800 1SAX821001R1101 3.905
EF750-800
1000 V: 1600 A, Type gG
1) ATEX is valid for products produced from week 42, 2014. IECEx is valid for products produced from week 15, 2017.
Ordering details accessories
7
1SFC151224F0002 Suitable for Description Type Order code Weight
(1 pce)
kg
KPR-101L EF460, EF750 Reset push button 2) KPR-101L 1SFA616162R1014 0.027
LT460EF
Terminal shroud
1SAX701904R0002
EF460
0.320
EF750 Terminal shroud LT750EF 1SAX801904R0002 0.440
EF460 DT500/AF460-S Mounting Kit short DT500/ 1SAX701902R1011 0.635
for mounting of EF460DU on AF460 AF460-S
EF460 DT500/AF460-L Mounting Kit long DT500/ 1SAX701902R1001 0.740
for mounting of EF460DU on AF460 AF460-L
EF750 DT800/AF750-S Mounting Kit short DT800/ 1SAX801902R1011 1.000
for mounting of EF750DU on AF750 AF750-S
EF750 DT800/AF750-L Mounting Kit long DT800/ 1SAX801902R1001 1.475
for mounting of EF750DU on AF750 AF750-L
2) Note: for more information see catalog 1SFC151004C0201
Main dimensions mm, inches
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 2CDC232008F0013 19.5 0.77" 25.5 2CDC232009F0013
192 7.56" 247 9.72" 2CDC107045C0201
EF460-500 EF750-800
ABB | 7/41