Page 726 - Motor_protection_and_control_Manual_motor_starters_ contactors

TF42 thermal overload relays – 0.10 to 38.0 A

Technical data

General technical data
Type TF42
Pollution degree 3
Phase loss sensitive Yes
Ambient air temperature
Operation Open - compensated -25 ... +60 °C
Open -25 ... +60 °C
Storage -50 ... +80 °C
Ambient air temperature compensation Acc. to IEC/EN60947-4-1
Maximum operating altitude permissible 2000 m
Resistance to shock acc. to IEC 60068-2-27 25g / 11 ms
Resistance to vibrations acc. to IEC 60068-2-6 3g / 3 ... 150 Hz
Mounting position Position 1-5
Mounting Mount on the contactor and tighten the screws of the main circuit terminals or with single
mounting kit on DIN rail (35 mm)
Degree of protection Housing IP20
Main circuit terminals IP10

Electrical connection
Main circuit
Type TF42 TF42
7 (TF42-0.13 … TF42-16) (TF42-20 … TF42-38)
Connecting capacity
Rigid 1 x or 2 x 0.75 ... 4 mm² 1.5 ... 2.5 mm² or 2.5 ... 10 mm² 1)
Flexible with insulated ferrule 1 x or 2 x 0.75 ... 4 mm² 2.5 ... 4 mm² or 4 ... 6 mm² 1)
Stranded acc. to UL/CSA 1 x or 2 x AWG 18-10 AWG 14-6
Flexible acc. to UL/CSA 1 x or 2 x AWG 18-10 AWG 14-6
Stripping length 12 mm
Tightening torque 1.5 - 2.5 Nm / 13 … 22 Ib.in 2.5 - 2.7 Nm / 22 Ib.in
Recommended screw driver M4 (Pozidriv 2)

Auxiliary circuit
Type TF42
Connecting capacity
Rigid 1 x or 2 x 0.75 ... 4 mm²
Flexible with ferrule 1 x or 2 x 0.75 ... 2.5 mm²
Flexible with insulated ferrule 1 x 0.75 ... 2.5 mm²
2 x 0.75 ... 1.5 mm²
Flexible 1 x or 2 x 0.75 ... 1 mm² or 1 ... 2.5 mm² 1)
Stranded acc. to UL/CSA 1 x or 2 x AWG 18-12
Flexible acc. to UL/CSA 1 x or 2 x AWG 18-12
Stripping length 9 mm
Tightening torque 1.1 ... 1.5 Nm / 9 … 13 Ib.in
Recommended screw driver M3 (Pozidriv 2)
1) Only connect two different "conductor/wire" cross-sections, if they are within the indicated ranges.

2CDC106046C0201

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