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Datasheet generated 2026-10-07
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35.0-38.0/40.0 A

ABB Automasjon · Switchgear & Protection · Overload Relays
Part Number
TF42-38  ·  HS 8536.49
35.0-38.0/40.0 A

ABB TF42-38 — The TF42-38 thermal overload relay is an economic electromechanical protection device for the main circuit. It offers reliable and fast protection for motors in the event of overload or phase failure. The device has trip class 10. Further features are the temperature compensation, trip contact (NC), signal contact (NO), automatic- or manual reset selectable, trip-free mechanism, STOP function and a trip indication. The overload relays are connected directly to the block contactors. Single mounting kits are available as accessory.

Technical Specifications

Manufacturer part number (MPN)TF42-38
EAN / GTIN4013614398179
Sales unitpcs
Package quantity48 pcs
Country of OriginGermany
Lead Time0 day
Product Sales StatusActive
Product Net Width45 mm
Product Net Height88.3 mm
Product Net Depth / Length70.5 mm
Setting Range35 ... 38 A
Rated Operational VoltageAuxiliary Circuit 600 V AC/DC; Main Circuit 690 V AC; Main Circuit 600 V DC
Rated Operational Current (I e )38 A
Rated Frequency (f)Auxiliary Circuit 50 Hz; Auxiliary Circuit 60 Hz; Auxiliary Circuit DC; Main Circuit 50 Hz; Main Circuit 60 Hz
Rated Impulse Withstand Voltage (U imp )Auxiliary Circuit 6 kV; Main Circuit 6 kV
Rated Insulation Voltage (U i )690 V
Number of Poles3P
Number of Auxiliary Contacts NC1
Number of Auxiliary Contacts NO1
Number of Protected Poles3
Conventional Free-air Thermal Current (I th )Auxiliary Circuit NC 6 A; Auxiliary Circuit NO 4 A
Rated Operational Current AC-15 (I e )(120 V) NC 3 A; (120 V) NO 0.5 A; (240 V) NC 3 A; (240 V) NO 0.5 A; (400 V) NC 0.75 A; (400 V) NO 0.5 A; (500 V) NC 0.75 A; (500 V) NO 0.5 A
Rated Operational Current DC-13 (I e )(125 V) NC 0.55 A; (125 V) NO 0.55 A; (24 V) NC 1.25 A; (24 V) NO 1.25 A; (250 V) NC 0.27 A; (250 V) NO 0.27 A; (500 V) NC 0.15 A; (500 V) NO 0.15 A; (60 V) NC 0.55 A; (60 V) NO 0.55 A
Degree of ProtectionIP20
Pollution Degree3
Connecting Capacity Auxiliary CircuitFlexible with Ferrule 1/2x 0.75 ... 2.5 mm²; Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mm²; Flexible with Insulated Ferrule 2x 0.75 ... 1.5 mm²; Flexible 1/2x 0.75 ... 1 mm²; Flexible 1/2x 1 ... 2.5 mm²; Rigid 1/2x 0.75 ... 4 mm²
Connecting Capacity Main CircuitFlexible with Ferrule 1/2x 2.5 ... 10 mm²; Flexible with Ferrule 1/2x 1.5 ... 2.5 mm²; Flexible with Insulated Ferrule 1/2x 1.5 ... 6 mm²; Flexible 1/2x 2.5 ... 4 mm²; Flexible 1/2x 4 ... 6 mm²; Rigid 1/2x 1.5 ... 2.5 mm²; Rigid 1/2x 2.5 ... 10 mm²
Tightening TorqueAuxiliary Circuit 1 ... 1.2 N·m; Main Circuit 2.5 ... 2.7 N·m
Wire Stripping LengthAuxiliary Circuit 9 mm; Main Circuit 12 mm
Recommended Screw DriverMain Circuit Pozidriv 2
Power Lossat Rated Operating Conditions per Pole 2.1 ... 2.8 W
Suitable ForAF09; AF12; AF16; AF26; AF30; AF38
StandardsIEC/EN 60947-1; IEC/EN 60947-4-1; IEC/EN 60947-5-1; UL 60947-1; UL 60947-4-1; IEC 60335-2-40 A2L
Maximum Operating Voltage UL/CSAMain Circuit 600 V AC
Contact Rating UL/CSA(NC:) B600; (NC:) Q600; (NO:) Q600; (NO:) D300
Connecting Capacity Main Circuit UL/CSAFlexible 1/2x 14-6 AWG; Stranded 1/2x 14-6 AWG
Connecting Capacity Auxiliary Circuit UL/CSAFlexible 1/2x 18-12 AWG; Stranded 1/2x 18-12 AWG
Tightening Torque UL/CSAAuxiliary Circuit 9 ... 11 in·lb; Main Circuit 22 in·lb
Ambient Air TemperatureOperation -25 ... +60 °C; Operation Compensated -25 ... +60 °C; Storage -50 ... +80 °C
Ambient Air Temperature CompensationYes
Maximum Operating Altitude Permissible2000 m
Resistance to Shock acc. to IEC 60068-2-2711 ms Pulse 25g
Resistance to Vibrations5g 3 ... 150 Hz
RoHS InformationFollowing EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019
Toxic Substances Control Act - TSCA2CMT2023-006525
ABB EcoSolutionsYes
ABB Site Meeting Group Waste To Landfill TargetUL 2799 Zero Waste To Landfill Validation available
EcoSolutions Profile1SFC100125C0355
End Of Life Disassembling Instructions1SAC200429H0001
Environmental Information1SAC200057H0009
Environmental Product Declaration - EPD1SAC200373H0001
Improved Energy Efficiency for CustomersProduct Efficiency - Product considered more energy-efficient compared to similar product on market or older products from the same line
Recyclability Rate of the Product acc. to EN45555Design for Closing Resource Loops - Standard EN45555 - 65 %
A2L Certificate – IEC1SAA941000-4601
ABS Certificate1SAA941001-0102
ATEX Certificate1SAA941010-3901
BV Certificate1SAA941001-0203
CB Certificate1SAA941009-2001
CCC Certificate2024010304658956
CQC CertificateCQC2011010309464423
Declaration of Conformity - CCC2020980304001788
Declaration of Conformity - CE1SAD101100-3503
Declaration of Conformity - UKCA1SAD201100-3503
DNV GL Certificate1SAA941001-0302
EAC Certificate1SAA941002-2701
GL Certificate1SAA941007-0401
IECEx Certificate1SAA941003-4001
LR Certificate1SAA941001-0502
RINA Certificate1SAA941000-0802
RMRS Certificate1SAA941000-0704
UL CertificateE48139-20090126
Object Classification CodeF
ETIM 9EC000106 - Thermal overload relay
eClassV11.0 : 27371501
UNSPSC39122330
IDEA Granular Category Code (IGCC)5366 >> Thermal overload relay
E-Number (Finland)3706132
E-Number (Norway)4116783
E-Number (Sweden)3211976

Properties

MOQ1

Cross-References

Attached Documents