Page 719 - Motor_protection_and_control_Manual_motor_starters_ contactors

T16 thermal overload relays – 0.10 to 16.0 A

Technical data

Main circuit – Utilization characteristics according to IEC/EN
Type T16
Standards IEC/EN 60947–4–1, IEC/EN 60947-5-1, IEC/EN 60947-1
Rated operational voltage U 690 V AC
e
- V DC
Rated frequency 50/60 Hz
Trip class 10
Number of poles 3
Duty time 100%
Operating frequency without early tripping Up to 15 operations/h, see "Technical diagram – Intermittent periodic duty"
Rated impulse withstand voltage U imp 6 kV
Rated insulation voltage U 690 V AC
i
Auxiliary circuit according to IEC/EN
Type T16
Rated operational voltage U e 600 V
Conventional free air thermal current I th N.C., 95-96 6 A
N.O., 97-98 4 A
Rated frequency DC, 50/60 Hz
Number of poles 1 N.O. + 1 N.C.
I / Rated operational current AC-15
e
acc. to IEC/EN 60947-5-1 for utilization category 7
110-120 V N.C., 95-96 3.00 A
N.O., 97-98 0.75 A
220-230-240 V N.C., 95-96 3.00 A
N.O., 97-98 0.75 A
440 V N.C., 95-96 0.75 A
N.O., 97-98 0.75 A
480-500 V N.C., 95-96 0.75 A
N.O., 97-98 0.75 A
I / Rated operational current DC-13
e
acc. to IEC/EN 60947-5-1 for utilization category
24 V N.C., 95-96 1.25 A
N.O., 97-98 1.25 A
60 V N.C., 95-96 0.55 A
N.O., 97-98 0.55 A
110-120-125 V N.C., 95-96 0.55 A
N.O., 97-98 0.55 A
250 V N.C., 95-96 0.27 A
N.O., 97-98 0.27 A
Minimum switching capacity 17 V / 3 mA
Short-circuit protective device N.C., 95-96 6 A, fuse type gG
N.O., 97-98 4 A, fuse type gG
Rated impulse withstand voltage U 6 kV
imp
Rated insulation voltage U i 690 V
Technical diagram – Intermittent periodic duty
(Op/h)
140
120
100 a
switching frequency 80 t = 1.5 s
t = 0.5 s
60
a
t = 1 s
a
40
a
a
20 t = 3 s
t = 5 s
0 2CDC232004F0214
0 20 40 60 80 100 (%)
duty ratio
t : Motor starting time 2CDC106036C0201
a
ABB | 7/5