Page 753 - Motor_protection_and_control_Manual_motor_starters_ contactors

EF205, EF370 electronic overload relays – 63 to 380 A

Technical data

Main circuit – Utilization characteristics according to UL/CSA
Type EF205, EF370
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 EF205, EF370
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
EF205-210 210 A 10 kA 400 A, R5/RK5 10kA 400 A, R5/RK5 100 kA 400 A, J
EF370-380 380 A 18 kA 800 A, L/T 18kA 800 A, L/T - - 7

²CDC107040C0²01

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