Page 745 - Motor_protection_and_control_Manual_motor_starters_ contactors

E16DU, EF19, EF45 electronic overload relays – 0.10 to 45.0 A

Technical data

Technical diagram – Intermittent periodic duty
(Op/h) Trip class 10E (Op/h) Trip class 20E (Op/h) Trip class 30E
50
a
160 t = 0.5 s a
80 45 t = 5 s
a
140 70 t = 2 s 40
switching frequency 100 t = 1 s switching frequency 50 t = 4 s switching frequency 30 t = 10 s
120
35
60
25
a
80
40
a
a
20
60
30
a
t = 1.5 s
a
40
a
a
10
a
t = 3 s 20 a t = 8 s t = 6 s 15 t = 15 s
a
20 10 t = 10 s t = 20 s
a
t = 5 s t = 12 s 5 t = 25 s
a
a
0 2CDC232001F0214 0 2CDC232002F0214 2CDC232003F0214
0 20 40 60 80 100 (%) 0 20 40 60 80 100 (%) 0 0 20 40 60 80 100 (%)
duty ratio duty ratio duty ratio
Trip class 10E Trip class 20E Trip class 30E
Main circuit – Utilization characteristics according to UL/CSA
Type E16DU EF19 EF45
Standards UL 508, CSA 22.2 No. 14
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" 7
Short-circuit protective device See table "Full load amps and short-circuit protective device"
Auxiliary circuit according to UL/CSA
Type E16DU EF19 EF45
Contact rating N.C., 95-96 B600, Q300 B600, Q600
N.O., 97-98 B600, Q300 B600, Q600
Conventional free-air 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
E16DU-0.32 0.32 A 50 kA 2 A, Class J 5 kA 2 A, K5 / RK5 100 kA 2 A, Class J
E16DU-1.0 1.00 A 50 kA 2 A, K5 / RK5 5 kA 2 A, K5 / RK5 100 kA 2 A, Class J
E16DU-2.7 2.70 A 50 kA 4 A, K5 / RK5 5 kA 4 A, K5 / RK5 100 kA 4 A, Class J
E16DU-6.3 6.30 A 50 kA 15 A, K5 / RK5 5 kA 15 A, K5 / RK5 100 kA 15 A, Class J
E16DU-18.9 18.90 A 50 kA 30 A, K5 / RK5 5 kA 30 A, K5 / RK5 100 kA 30 A, Class J

Type Full load amps (FLA) Short-circuit protective device
480 V AC 600 V AC
SCCR Fuse type SCCR Fuse type SCCR Fuse type
EF19-0.32 0.32 A 50 kA 2 A, Class J 5 kA 2 A, K5 / RK5 100 kA 2 A, Class J
EF19-1.0 1.00 A 50 kA 2 A, K5 / RK5 5 kA 2 A, K5 / RK5 100 kA 2 A, Class J
EF19-2.7 2.70 A 50 kA 4 A, K5 / RK5 5 kA 4 A, K5 / RK5 100 kA 4 A, Class J
EF19-6.3 6.30 A 50 kA 15 A, K5 / RK5 5 kA 15 A, K5 / RK5 100 kA 15 A, Class J
EF19-18.9 18.90 A 50 kA 30 A, K5 / RK5 5 kA 30 A, K5 / RK5 100 kA 30 A, Class J

Type Full load amps (FLA) Short-circuit protective device
480 V AC 600 V AC
SCCR Fuse type SCCR Fuse type SCCR Fuse type
EF45-30 30 A 18 kA 150 A, K5 / RK5 18 kA 150 A, K5 / RK5 100 kA 150 A, Class J
EF45-45 45 A 18 kA 200 A, K5 / RK5 18 kA 200 A, K5 / RK5 100 kA 200 A, Class J
²CDC10703²C0²01

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