Page 749 - Motor_protection_and_control_Manual_motor_starters_ contactors

EF65, EF96, EF146 electronic overload relays – 20 to 150 A

Technical data

Main circuit – Utilization characteristics according to UL/CSA
Type EF65, EF96, EF146
Standards UL 508, CSA 22.2 No. 14, UL 60947-4-1A
Maximum operational voltage 600 V AC
Trip rating 125% of FLA
Full load amps (FLA) See table "Full load amps and short-circuit protective device"
Short-circuit rating RMS symmetrical See table "Full load amps and short-circuit protective device"
Short-circuit protective device See table "Full load amps and short-circuit protective device"
Auxiliary circuit according to UL/CSA
Type EF65, EF96, EF146
Contact rating N.C., 95-96 B600, Q600
N.O., 97-98 B600, Q600
Conventional thermal current 6 A

Full load amps and short-circuit protective device
Type Full load amps (FLA) Short-circuit protective device
480 V AC 600 V AC
SCCR Fuse type SCCR Fuse type SCCR Fuse type
EF65-56 56 A 10 kA 150 A, K5/RK5 10 kA 150 A, K5/RK5 100 kA 150 A, J
EF65-70 70 A 10 kA 150 A, K5/RK5 10 kA 150 A, K5/RK5 100 kA 150 A, J 7
EF96-65 56 A 10 kA 150 A, K5/RK5 10 kA 150 A, K5/RK5 100 kA 150 A, J
EF96-100 100 A 10 kA 200 A, K5/RK5 10 kA 200 A, K5/RK5 100 kA 225 A, J
EF146-150 150 A 10 kA 250 A, K5/RK5 10 kA 250 A, K5/RK5 100 kA 350 A, J

²CDC107038C0²01

ABB | 7/35