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ABB t16-0.31 thermal overload relay 0.23a - 0.31a

ABB t16-0.31 thermal overload relay 0.23a – 0.31a

ABB T16-0.31 thermal overload relay with adjustable 0.23 to 0.31 A current range designed for motor overload and phase failure protection in industrial automation systems.

SKU: 1SAZ711201R1013Alt SKU: T16-0.31MPN: 1SAZ711201R1013
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Why Choose the ABB 1SAZ711201R1013 T16-0.31 Thermal Overload Relay?

The ABB 1SAZ711201R1013, also known as the T16-0.31 Thermal Overload Relay, is a compact and dependable electromechanical motor protection relay designed to protect three-phase motors against overload conditions and phase failure. As part of the trusted ABB T16 Thermal Overload Relay series, it provides reliable overload protection while helping maximise motor performance, minimise downtime and extend equipment service life.

The T16-0.31 incorporates Trip Class 10 protection, temperature compensation, selectable automatic or manual reset, phase loss sensitivity, integrated STOP and TEST functions and clear trip indication. Designed for direct mounting onto compatible ABB mini and block contactors, it simplifies motor starter assembly while delivering dependable protection in demanding industrial environments.

With an adjustable current setting range of 0.23 to 0.31 A, the ABB 1SAZ711201R1013 is ideal for protecting small three-phase motors used in conveyors, pumps, compressors, packaging machinery, OEM equipment and industrial automation systems.

Key Advantages

  • Reliable thermal overload relay for three-phase motor protection.
  • Adjustable overload setting from 0.23 to 0.31 A.
  • Trip Class 10 provides rapid overload protection.
  • Protects motors against overloads and phase failure.
  • Automatic or manual reset selectable.
  • Direct mounting onto compatible ABB contactors.

Key Features

  • ABB T16 Thermal Overload Relay series.
  • Current adjustment range: 0.23 to 0.31 A.
  • Trip Class 10.
  • Temperature compensated operation.
  • Phase loss sensitivity.
  • Integrated STOP and TEST functions.
  • 1 NO signalling contact and 1 NC trip contact.
  • Direct mounting onto ABB B6, BC6, B7, BC7, VB6, VBC6, VB7, VBC7 and AS09-AS16 contactors.

Reliable Motor Protection for Industrial Applications

Thermal overload relays continuously monitor motor current and disconnect the motor circuit when prolonged overload conditions occur. This protects motors against overheating, reduces maintenance costs and helps maximise operational reliability.

The ABB T16 series combines dependable overload protection, phase failure detection and straightforward installation, making it an excellent choice for industrial motor starters, machine builders and OEM automation equipment.

Typical Applications

  • Motor starters.
  • Industrial automation systems.
  • Conveyors and material handling equipment.
  • Pumps and compressors.
  • OEM machinery.
  • Electrical control panels.

Technical Specifications

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Mounting Type Direct mount on contactor
Device Type Thermal Overload Relay
Current Range 0.23–0.31 A
Trip Class Class 10
Current 0.31 A
Phase Three Phase
IP Rating IP20
Series T16 Thermal Overload Relays
Product code 1SAZ711201R1013
Product type Thermal overload relay
Setting range 0.23–0.31 A
Rated operational current AC-3 0.31 A
Trip class Class 10
Number of protected poles 3
Auxiliary contacts 1 NO + 1 NC
Rated operational voltage main circuit 690 V AC
Rated insulation voltage 690 V
Rated impulse withstand voltage 6 kV
Control circuit voltage 600 V AC/DC
Frequency 50 / 60 Hz
Degree of protection IP20
Connection type Screw terminals
Mounting type Direct mounting to contactor
Width 45 mm
Height 76.7 mm
Depth 53.5 mm
Weight approx. 0.10 kg
Ambient operating temperature -25 °C to +60 °C
Standards IEC/EN 60947-1, IEC/EN 60947-4-1, IEC/EN 60947-5-1

Frequently Asked Questions

What is the ABB 1SAZ711201R1013 used for?

It protects three-phase electric motors against overload conditions and phase failure in industrial motor control systems.

What current range does this overload relay support?

The relay has an adjustable overload setting range of 0.23 to 0.31 A.

What trip class does the relay provide?

The ABB T16-0.31 features a Trip Class 10 characteristic for reliable motor protection.

Can the relay be reset manually?

Yes. The relay supports both manual and automatic reset modes.

Which contactors is this relay compatible with?

It is designed for direct mounting onto compatible ABB B6, BC6, B7, BC7, VB6, VBC6, VB7, VBC7 and AS09 to AS16 contactors.

Trusted by Industrial Control Engineers Worldwide

ABB T16 thermal overload relays are trusted by machine builders and maintenance engineers for dependable motor protection, reliable overload detection and long-term industrial performance.

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