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Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
TF96-78
ABB TF96-78 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The ABB TF96-78 is a thermal overload relay designed to provide reliable and efficient protection for motors in industrial applications. This electromechanical device is engineered to safeguard motors against overload and phase failures, ensuring operational continuity and safety. With a setting range of 65 to 78 amperes, the TF96-78 is suitable for a variety of motor sizes and types. It features a trip class 10, offering quick response to overload conditions. The relay includes temperature compensation, a trip contact (normally closed), a signal contact (normally open), and the option for automatic or manual reset. Its compact design allows for direct connection to block contactors, making it an ideal choice for space-constrained environments. The TF96-78 also includes a trip-free mechanism, a STOP function, and a trip indication for enhanced usability. This thermal overload relay is compliant with international standards, ensuring it meets the rigorous demands of modern industrial settings.
| Specification | Description |
|---|---|
| Part Number | TF96-78 |
| Manufacturer | ABB |
| Product Type | Thermal Overload Relay |
| Rated Operational Current | 65 ... 78 A |
| Rated Operational Voltage | Main Circuit: 690 V AC, 440 V DC; Auxiliary Circuit: 600 V AC/DC |
| Rated Frequency | Main Circuit: 50/60 Hz; Auxiliary Circuit: 50/60 Hz, DC |
| Rated Impulse Withstand Voltage | Main Circuit: 8 kV; Auxiliary Circuit: 6 kV |
| Rated Insulation Voltage | 690 V |
| Number of Poles | 3 |
| Number of Auxiliary Contacts | 1 NC, 1 NO |
| Degree of Protection | Housing: IP20; Main Circuit Terminals: IP10 |
| Setting Range | 65 ... 78 A |
| Trip Class | 10 |
| Ambient Air Temperature | Operation: -40 ... +70 °C; Storage: -50 ... +80 °C |
| Maximum Operating Altitude | 2000 m |
| Power Loss | 11.54 W/device |
| Dimensions | Width: 69.9 mm; Height: 106.9 mm; Depth: 106.3 mm |
| Net Weight | 0.52 kg |
| Mounting Position | 1 ... 6 |
| Connecting Capacity | Main Circuit: Flexible with Ferrule 1/2x 6 ... 35 mm²; Auxiliary Circuit: Flexible with Ferrule 1/2x 0.75 ... 2.5 mm² |
| Tightening Torque | Main Circuit: 6.0 ... 9.0 N·m; Auxiliary Circuit: 1 ... 1.2 N·m |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1, UL 60947-1, UL 60947-4-1 |
| Features | Temperature compensation, trip contact (NC), signal contact (NO), automatic/manual reset, trip-free mechanism, STOP function, trip indication, direct connection to block contactors, single mounting kits available as accessory. |
What is the primary function of this thermal overload relay?
The primary function of the TF96-78 thermal overload relay is to provide economic electromechanical protection for motors against overload and phase failures.
What is the current setting range for this relay?
The TF96-78 thermal overload relay has a current setting range of 65 to 78 A.
Can this relay be used with contactors?
Yes, the TF96-78 thermal overload relay is designed to be connected directly to block contactors.
Does this relay offer temperature compensation?
Yes, the TF96-78 thermal overload relay features temperature compensation from -25 up to 60 °C.
What type of reset options are available for this relay?
The TF96-78 thermal overload relay offers both automatic and manual reset options.
What is the degree of protection for this relay?
The TF96-78 thermal overload relay has a degree of protection of IP20 for the housing and IP10 for the main circuit terminals.
What are the dimensions of this thermal overload relay?
The TF96-78 thermal overload relay has dimensions of 69.9 mm in width, 106.9 mm in height, and 106.3 mm in depth.
What is the rated operational voltage for the main circuit of this relay?
The main circuit of the TF96-78 thermal overload relay has a rated operational voltage of 690 V AC.
What is the power loss for this relay?
The power loss for the TF96-78 thermal overload relay is 11.54 W per device.
What is the maximum operating altitude for this relay?
The maximum operating altitude permissible for the TF96-78 thermal overload relay is 2000 meters.
- Protects motors from overload and phase failures in industrial applications.
- Used in combination with contactors for motor starter setups.
- Provides reliable and fast protection for electrical circuits.
- Suitable for use in environments with temperature variations due to its temperature compensation feature.
- Ideal for applications requiring automatic or manual reset options.
- Commonly used in manufacturing plants to ensure motor safety and efficiency.
- Employed in automation systems to prevent motor damage and downtime.
- Utilized in electrical panels for safeguarding motor operations.
- Applied in HVAC systems to protect motor-driven components.
- Integrated into conveyor systems to prevent motor overload and ensure smooth operation.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
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Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
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6 months ago
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