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ABB tf96-68 thermal overload relay 57a - 68a

ABB tf96-68 thermal overload relay 57a – 68a

ABB TF96-74 thermal overload relay with adjustable current range from 60 to 74 A, designed for industrial motor protection and automation systems.

SKU: 1SAZ911201R1003Alt SKU: TF96-68MPN: 1SAZ911201R1003
Price
List Price £151.27 ex VAT
Your Price (ex VAT)
£151.27
Manufacturer Lead Time Estimated Delivery 4 - 5 Days
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Manufacturer Lead Time

£151.27

Why Choose the ABB TF96-68 Thermal Overload Relay?

The ABB TF96-68 Thermal Overload Relay (1SAZ911201R1003) is a dependable electromechanical motor protection relay designed to safeguard three-phase motors against overload conditions and phase failure. As part of the proven ABB TF96 thermal overload relay series, it is engineered for direct mounting onto compatible ABB AF80 and AF96 contactors, making it an ideal solution for industrial motor starters, machinery and control panels.

Designed to maximise motor reliability and reduce unplanned downtime, the TF96-68 incorporates temperature compensation, phase loss sensitivity and a Trip Class 10 characteristic for accurate overload protection. Integrated auxiliary contacts, selectable manual or automatic reset and a clear trip indication simplify maintenance while ensuring safe, reliable operation in demanding industrial environments.

With an adjustable current setting range of 57 to 68 A, the TF96-68 is ideal for protecting industrial motors used in conveyors, pumps, compressors, fans and manufacturing equipment. Its compact design enables straightforward installation directly beneath compatible ABB AF contactors.

Key Advantages

  • Reliable thermal overload and phase failure protection for three-phase motors.
  • 57 to 68 A adjustable current range for flexible motor protection.
  • Trip Class 10 overload protection.
  • Integrated 1 NO and 1 NC auxiliary contacts.
  • Selectable manual or automatic reset.
  • Direct mounting onto compatible ABB AF80 and AF96 contactors.
  • Temperature compensated for improved protection accuracy.
  • Compact construction for industrial motor starter assemblies.

Key Features

  • ABB TF96 thermal overload relay series.
  • 57 to 68 A adjustable overload setting.
  • Trip Class 10.
  • Protection against overload and phase failure.
  • Integrated 1 normally open and 1 normally closed auxiliary contact.
  • Manual or automatic reset selection.
  • Trip-free mechanism with STOP function.
  • Visual trip indication.
  • Screw terminal connections.
  • Direct contactor mounting.

Reliable Motor Protection for Industrial Applications

Thermal overload relays monitor motor current and disconnect the motor whenever prolonged overload conditions or phase loss occur. This helps prevent overheating, extends motor service life and reduces unexpected downtime across industrial facilities.

The ABB TF96 series is widely trusted by machine builders, OEMs and maintenance engineers for dependable motor protection, straightforward installation and seamless compatibility with ABB AF contactors. Its rugged construction and integrated protection features make it ideal for demanding industrial environments.

Typical Applications

  • Industrial motor starters.
  • Conveyors and material handling systems.
  • Pumps and water treatment equipment.
  • Compressors.
  • Industrial fans and ventilation systems.
  • Manufacturing machinery.
  • OEM equipment.
  • Industrial control panels.

Technical Specifications

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Mounting Type Direct mount on contactor
Current Range 57–68 A
Compatible With AF80, AF96
Trip Class Class 10
Reset Type Manual / Automatic
Device Type Thermal Overload Relay
Current 74 A
Phase Three Phase
IP Rating IP20
Series TF96 Thermal Overload Relays
Product code 1SAZ911201R1003
Product type Thermal overload relay
Current adjustment range 60 to 74 A
Rated operational current 74 A
Trip class Class 10
Number of poles 3
Auxiliary contacts 1 NO + 1 NC
Rated insulation voltage 690 V AC
Rated operational voltage Main circuit 690 V AC / 440 V DC
Rated impulse withstand voltage Auxiliary circuit 6 kV, main circuit 8 kV
Protection rating Housing IP20, terminals IP10
Reset method Automatic or manual
Mounting type Direct attachment to contactor
Suitable contactors ABB AF80, AF96
Terminal type Screw terminals
Dimensions (H × W × D) approx. 106.9 × 69.9 × 106.3 mm
Weight approx. 0.52 kg
Operating temperature approx. -25 °C to +60 °C
Standards IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-4-1
Poles 3-pole

Frequently Asked Questions

What is the ABB TF96-68 used for?

The TF96-68 protects three-phase motors against overload conditions and phase failure in industrial motor control applications.

What current range does this overload relay support?

The relay provides an adjustable overload current setting from 57 to 68 A.

Can the relay be manually reset?

Yes. The TF96-68 supports both manual and automatic reset to suit different installation requirements.

Which contactors is this relay compatible with?

It is designed for direct mounting onto compatible ABB AF80 and AF96 contactors.

What auxiliary contacts are included?

The relay includes one normally open (NO) and one normally closed (NC) auxiliary contact for signalling and control functions.

Trusted by Industrial Control Professionals

ABB TF96 thermal overload relays are trusted worldwide by machine builders, panel manufacturers and maintenance engineers for reliable motor protection, long service life and seamless integration into industrial motor starter assemblies.

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