ABB - Electrification TF96-78 - The TF96-78 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.
ABB - Electrification

TF96-78

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Overview

The ABB TF96-78 (SKU: TF96-78) is an economical electromechanical thermal overload relay designed for direct main circuit protection of electric motors. This three-pole relay utilizes bimetal tripping elements that are heated by motor current, directly and indirectly. In overload conditions, the bimetal elements bend, triggering a relay release and changing the contact switching positions (95-96 / 97-98). It provides reliable and fast protection for motors against overload and phase failure, featuring a Trip Class 10 rating for rapid response. Key specifications and features include: * **Setting Range:** 65.0 to 78.0 A * **Trip Class:** 10 * **Short-Circuit Protective Device:** Requires a 200 A, gG Type Fuse * **Phase Loss Sensitivity:** Compliant with IEC/EN 60947-4-1 * **Reset Function:** Selectable manual or automatic reset * **Additional Functions:** Integrated TEST and STOP function with front-mounted trip indication * **Temperature Compensation:** Ensures consistent performance across varying temperatures * **Application Suitability:** Suitable for both three- and single-phase motor applications * **Direct Connection:** Designed for direct mounting to ABB AF80 and AF96 contactors * **ATEX Certification:** Valid for products manufactured from week 26, 2015. This electromechanical device offers a trip-free mechanism and includes a normally closed (NC) trip contact and a normally open (NO) signal contact. A single mounting kit is available as an accessory for flexible installation. Origin: US.
  • ABB TF96-78 Thermal Overload Relay
  • Setting Range: 65.0 - 78.0 A
  • Trip Class 10 for fast motor protection
  • Phase loss sensitive (IEC/EN 60947-4-1)
  • Selectable manual or automatic reset

Specifications

Ambient Air Temperature
Operation -40 ... +70 °C / Operation Compensated -40 ... +70 °C / Storage -50 ... +80 °C
Application
Mainly used for controlling 3-phase motors and generally for controlling power circuits up to 690 V AC and 220 V DC. The contactors can also be used for many other applications such as bypass, capacitor switching, lighting, DC power circuits.
Product Name
Thermal Overload Relay
Size
82x110x108mm
Special Features
The TF96-78 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.
Standard
RoHs, CSA, cUL, CE, GOST
Trip Class
class 10
Type
Contactors
Voltage Rating
Auxiliary Circuit 600 V AC / DC / Main Circuit 690/440 V AC/V DC
Package Dimensions (L x W x H)
3.819 IN x 3.819 IN x 4.764 IN
Package Dimensions (L x W x H)
9.7003 cm x 9.7003 cm x 12.1006 cm
Package Weight (Imperial)
1.367 L
Package Weight (Metric)
0.620 kg
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The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.

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The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.
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Frequently Asked Questions about ABB - Electrification

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Jokab Safety offers comprehensive technical support through multiple channels, including a dedicated technical support phone line at (888) 385-1221 (Option 1) and email support at [email protected]. For advanced technical assistance, customers can contact their specialized Jokab Tech Support at (519) 982-0976 or email [email protected]. Additionally, they provide product specialist support through Jeff Leslie, who can be reached at (519) 982-0976, offering in-depth application and technical guidance.

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ABB - Electrification products comply with a comprehensive range of international certifications and standards, including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products meet critical international standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, and marine classification standards from Bureau Veritas, DNV, and Lloyd's Register of Shipping.

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ABB - Electrification products are engineered for critical applications across multiple industries, including Energy, Oil & Gas, Manufacturing, Power Generation, HVAC, Marine, Food & Beverage, Mining, Pulp & Paper, Water Treatment, and Automotive. Their solutions cover essential electrical infrastructure needs such as switchgear, power distribution systems, circuit protection, digital control technologies, and drive systems designed for high-reliability environments with a strong focus on sustainability, efficiency, and safety.

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ABB - Electrification offers comprehensive technical support through multiple channels, including a dedicated technical support hotline at 888-385-1221 (Option 1), available 7:00 a.m. - 5:00 p.m. CST, Monday-Friday. Their support services encompass 24/7/365 emergency services, on-site support, remote monitoring and diagnostics, installation and commissioning, equipment assessments, repair coordination, and multi-vendor technical assistance. Customers can also access resources like personnel safety training, disaster recovery support, and service agreements tailored to their specific electrification needs.

What are the main product lines offered by ABB - Electrification?

ABB - Electrification offers a comprehensive range of electrical distribution and protection products, including circuit monitoring systems, panelboards, switchgear, motor control centers, circuit breakers, softstarters, and power distribution solutions. Key product lines span low and medium voltage applications across utilities, commercial, industrial, healthcare, and manufacturing sectors, with specialized offerings like the ReliaGear® panelboards, SMISSLINE TP bus systems, and Ekip UP protection and metering relays.

What are the key features of ABB - Electrification products?

ABB - Electrification products feature advanced integrated design elements that enhance industrial performance and reliability. Key features include harmonics and EMC design, integrated DC choke, removable terminals for fast installation, USB ports for troubleshooting, and integrated Safe Torque Off (STO) functionality. The products deliver superior motor control capabilities, support both induction and permanent magnet motors, and offer robust operational features like side-by-side mounting without derating and operation at temperatures up to 45°C. Additionally, ABB's Electrification solutions emphasize digital innovation, with technologies like Novolink enabling predictive maintenance, enhanced analytics, and seamless system integration.

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ABB - Electrification products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, DeviceNet, and IEC 61850. These protocols enable flexible connectivity across multiple industrial automation platforms, with support for various network topologies and high-speed data transmission up to 100 Mbps.