TF96-78B
Product ID:75952
Updated: 2026/4/3
Key Features
- 1Safeguard motors against overload and phase failure with Trip Class 10 protection. 2、Customize protection using the adjustable current setting dial. 3、Select between automatic or manual reset for operational flexibility. 4、Ensure safety with a trip-free mechanism that prevents accidental reset. 5、Integrate seamlessly via direct mounting onto block contactors.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Net Width | 106.3 mm | Product Net Height | 106.9 mm |
| Product Net Depth / Length | 69.9 mm | Product Net Weight | 0.52 kg |
| Setting Range | 65 ... 78 A | Rated Operational Voltage | Auxiliary Circuit 600 V AC/DC Main Circuit 690 V AC Main Circuit 440 V DC |
| Rated Operational Current (Ie) | 78 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 8 kV | Rated Insulation Voltage (Ui) | 690 V |
| Number of Poles | 3 | 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 | Rated Operational Current AC-15 (Ie) | (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 (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 (60 V) NC 0.55 A (60 V) NO 0.55 A | Degree of Protection | Housing IP20 Main Circuit Terminals IP10 |
| 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 6 ... 35 mm² Flexible with Ferrule 1x 6 ... 50 mm² Flexible with Insulated Ferrule 1/2x 6 ... 16 mm² Flexible with Insulated Ferrule 1x 6 ... 50 mm² Flexible 1/2x 6 ... 35 mm² Flexible 1x 6 ... 50 mm² Rigid 1/2x 6 ... 35 mm² Rigid 1x 6 ... 50 mm² | Tightening Torque | Auxiliary Circuit 1 ... 1.2 N·m Main Circuit 6.0 ... 9.0 N·m |
| Wire Stripping Length | Auxiliary Circuit 9 mm Main Circuit 20 mm | Recommended Screw Driver | Auxiliary Circuit Pozidriv 2 Main Circuit Hexagon 4 |
| Power Loss | at Rated Operating Conditions per Pole 2.7 ... 3.8 W | Suitable For | AF80B AF96B |
| Standards | IEC/EN 60947-1 IEC/EN 60947-4-1 IEC/EN 60947-5-1 UL 60947-1 UL 60947-4-1 | 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 1x 8-1 AWG Flexible 2x 8-3 AWG Stranded 1x 8-1 AWG Stranded 2x 8-3 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 53 ... 80 in·lb |
| Ambient Air Temperature | Operation -40 ... +70 °C Operation Compensated -40 ... +70 °C Storage -50 ... +80 °C | Ambient Air Temperature Compensation | Yes |
| Maximum Operating Altitude Permissible | 2000 m | Resistance to Shock acc. to IEC 60068-2-27 | 11 ms Pulse 25g 25g 2 shocks 13 ms |
| 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 | 1SAZ921201R1004 |
Specifications may be subject to change without notice