The ABB T16-3.1 thermal overload relay is an economic electromechanical protection device for the main circuit, offering reliable and fast protection for motors.
Product ModelT16-3.1
Material Number1SAZ711201R1033
Product ID87651
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliable ProtectionThe T16-3.1 thermal overload relay provides fast and reliable protection for motors, ensuring they operate safely and efficiently.
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2. Compact DesignWith dimensions of 45W x 76.7H x 53.5D mm, the relay is compact and easy to integrate into various motor control systems.
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3. Economic SolutionDesigned as an economic electromechanical protection device, the T16-3.1 offers a cost-effective solution for motor protection without compromising on performance.
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4. Wide Operating RangeThe relay operates within a wide temperature range of -25°C to +60°C and can withstand ambient air temperatures, making it suitable for various industrial environments.
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Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Product Net Width
45 mm
Product Net Height
76.7 mm
Product Net Depth / Length
53.5 mm
Product Net Weight
0.1 kg
Setting Range
2.3 ... 3.1 A
Rated Operational Voltage
Auxiliary Circuit 600 V AC/DC Main Circuit 690 V AC
5. Compliance and StandardsThe T16-3.1 complies with IEC/EN 60947-1 standards and is certified for use in environments with pollution degree 3, ensuring it meets stringent safety and performance requirements.
Rated Operational Current (Ie)
3.1 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 6 kV
Rated Insulation Voltage (Ui)
690 V
Number of Poles
3P
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)
(120 V) NC 3 A (120 V) NO 0.5 A (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 (500 V) NC 0.15 A (500 V) NO 0.15 A (60 V) NC 0.55 A (60 V) NO 0.55 A
