Product Model
TF42-38B
Selling Points
- 1Reliable Motor Protection: Safeguards motors against overloads and phase failures with a trip class 10 mechanism.
- 2Adjustable Current Setting: Allows for customizable overload protection settings to match specific motor requirements.
- 3Automatic or Manual Reset: Provides flexibility with automatic or manual reset options for easy operation.
- 4Trip-Free Mechanism: Ensures safe operation by preventing accidental tripping during testing or maintenance.
- 5Compact Design: Features a compact size with dimensions of 45 mm width, 70.5 mm depth, and 88.3 mm height for easy mounting.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product Net Width | 45 mm | Product Net Height | 88.3 mm |
Product Net Depth / Length | 70.5 mm | Product Net Weight | 0.145 kg |
Setting Range | 35 ... 38 A | Rated Operational Voltage | Auxiliary Circuit 600 V AC/DC Main Circuit 690 V AC |
Rated Operational Current (Ie) | 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 (Uimp) | Auxiliary Circuit 6 kV Main Circuit 6 kV | Rated Insulation Voltage (Ui) | 690 V |
Number of Poles | 3P | Number of Auxiliary Contacts NC | 1 |
Number of Auxiliary Contacts NO | 1 | Number of Protected Poles | 3 |
Conventional Free-air Thermal Current (Ith) | Auxiliary Circuit NC 6 A Auxiliary Circuit NO 4 A Main Circuit 0 A | Rated Operational Current AC-15 (Ie) | (120 V) NC 3 A (120 V) NO 0.75 A (240 V) NC 3 A (240 V) NO 0.75 A (400 V) NC 0.75 A (400 V) NO 0.75 A (500 V) NC 0.75 A (500 V) NO 0.75 A |
Rated Operational Current DC-13 (Ie) | (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 Protection | IP20 |
Pollution Degree | 3 | Connecting Capacity Auxiliary Circuit | Flexible 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 Circuit | Flexible 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 Torque | Auxiliary Circuit 1 ... 1.2 N·m Main Circuit 2.5 ... 2.7 N·m |
Wire Stripping Length | Auxiliary Circuit 9 mm Main Circuit 12 mm | Recommended Screw Driver | Main Circuit Pozidriv 2 |
Power Loss | at Rated Operating Conditions per Pole 2.1 ... 2.8 W | Suitable For | AF09ZB AF09B AF12ZB AF12B AF16ZB AF16B AF26ZB AF26B AF30ZB AF30B AF38ZB AF38B |
Standards | IEC/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/CSA | Main Circuit 600 V AC |
Contact Rating UL/CSA | (NC:) B600 (NC:) Q600 (NO:) Q600 (NO:) D300 | Connecting Capacity Main Circuit UL/CSA | Flexible 1/2x 14-6 AWG Stranded 1/2x 14-6 AWG |
Connecting Capacity Auxiliary Circuit UL/CSA | Flexible 1/2x 18-12 AWG Stranded 1/2x 18-12 AWG | Tightening Torque UL/CSA | Auxiliary Circuit 9 ... 11 in·lb Main Circuit 22 in·lb |
Ambient Air Temperature | Operation -25 ... +60 °C Operation Compensated -25 ... +60 °C Storage -50 ... +80 °C | Ambient Air Temperature Compensation | Yes |
Maximum Operating Altitude Permissible | 2000 m | Shock and Vibration Withstand acc. to IEC 61373 | Category 1, Class B |
Resistance to Shock acc. to IEC 60068-2-27 | 11 ms Pulse 25g | Resistance to Vibrations | 5g 3 ... 150 Hz |
RoHS Status | Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019 | Toxic Substances Control Act - TSCA | 2CMT2023-006525 |
Object Classification Code | F | ETIM 5 | EC000106 - Thermal overload relay |
ETIM 6 | EC000106 - Thermal overload relay | ETIM 7 | EC000106 - Thermal overload relay |
ETIM 8 | EC000106 - Thermal overload relay | eClass | V11.0 : 27371501 |
UNSPSC | 39121520 | IDEA Granular Category Code (IGCC) | 5364 >> Overload relay |
Manufacturer ID | 1SAZ741201R1055 |
Specifications may be subject to change without notice