Auxiliary circuit ratings
z Ratings for GB and IEC standards
Type Conventional free air
thermal current [A]
(Rated continuous current)
Rated
operational
voltage [V]
Rated operational current [A]
AC
DC
AC-15 (Inductive load)
DC-13 (Inductive load)
NC contact NC contact NC contact NC contact
TK12B 5
24 3 (0.5) 3 (0.5) 1.1 (0.3)
1.1 (0.3)
100-120 2.5 (0.5) 2.5 (0.5) 0.28
0.28
200-240 2 (0.5) 1.5 (0.5) 0.14
0.14
380-440 1 (0.5) 0.75 (0.5) –
500-600 0.6 (0.5) 0.6 (0.5) –
TK18B
to
TK95B
5
24 3 (0.5) 3 (0.5) 1.1 (0.3)
1.1 (0.3)
100-120 2.5 (0.5) 2.5 (0.5) 0.28
0.28
200-240 2 (0.5) 2 (0.5) 0.14
0.14
380-440 1 (0.5) 1 (0.5) –
500-600 0.6 (0.5) 0.6 (0.5) –
Operating characteristics
z Operation of the balanced circuit
Descriptions
Operating limit Overloaded (hot start) Locked rotor (cold start)
Ambient
temperature
Non-tripping Tripping
IEC 60947-4-1
GB14048.4-2003
105%Ie
(less than 2 hours)
120%Ie
(less than 2 hours)
Tripping
class:10A
150%Ie less than 2
min.
Tripping
class:10A
720%Ie Below 2 - 10s 20°C
z Operation of the unbalanced circuit
Description name
Phase-loss protection Non-tripping Operation (warm boot) Ambient temperature
IEC 60947-4-1
GB14048.4-2003
No phase-loss protection device
Three-phase: 105%Ie
Two-phase: 132%Ie(less than 2 hours)
One-phase: 0
20°C
(Note 1) le: setting current.
(Note 2) The description value represents that the ambient temperature compensates the thermal overload relay.
Ratings and operating characteristics
Information subject to change without notice
22
Contactors and Thermal Overload Relays
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