ABB t16-1.0 thermal overload relay 0.74a - 1.0a

Why Choose the ABB T16-1.0 Thermal Overload Relay?

The ABB T16-1.0, product code 1SAZ711201R1023, is a compact and highly reliable thermal overload relay engineered to protect motors and motor starters against overload conditions and phase failure in industrial automation systems. Part of ABB’s trusted T16 overload relay series, this electromechanical protection device delivers dependable motor protection while maintaining compact dimensions ideal for modern control panels and OEM machinery.

Designed for direct mounting onto ABB mini contactors and block contactors, the T16-1.0 provides accurate overload protection with a 0.74 to 1.0 A adjustable current range. The relay includes integrated 1 NO and 1 NC auxiliary contacts, selectable automatic or manual reset functionality, trip indication and a STOP function for improved operational safety and usability.

With trip class 10 protection, robust temperature compensation and reliable overload detection, this ABB thermal overload relay is ideal for protecting small motors used in conveyors, pumps, fans, HVAC equipment and industrial automation applications requiring precise motor protection.

Key Advantages

• Compact thermal overload relay for motor protection.
• Adjustable current range from 0.74 to 1.0 A.
• Trip class 10 overload protection.
• Integrated 1 NO and 1 NC auxiliary contacts.
• Selectable manual or automatic reset.
• Direct mounting compatibility with ABB mini contactors.

Key Features

• ABB T16 thermal overload relay series.
• 0.74–1.0 A adjustable overload range.
• 3-pole motor protection.
• Trip class 10 protection characteristic.
• Integrated 1 NO + 1 NC auxiliary contacts.
• Temperature compensated operation.
• Trip-free mechanism with STOP function.
• Manual or automatic reset selection.

Technical Specifications

• Manufacturer: ABB
• Series: T16 Thermal Overload Relays
• Model: T16-1.0
• Product code: 1SAZ711201R1023
• Product type: Thermal overload relay
• Setting range: 0.74–1.0 A
• Rated operational current AC-3: 1.0 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

Reliable Motor Protection for Industrial Applications

The ABB T16-1.0 thermal overload relay is engineered to provide reliable motor protection in demanding industrial and commercial environments. Its electromechanical overload protection system detects excessive motor current and phase failure conditions, helping prevent motor overheating, damage and unexpected downtime.

ABB overload relays are trusted worldwide by automation engineers, machine builders and panel manufacturers for their dependable protection performance, compact dimensions and seamless compatibility with ABB motor control products. The T16 series provides a compact and economical motor starter protection solution for industrial automation systems.

Typical Applications

• Industrial motor starter protection.
• HVAC and ventilation equipment.
• Pumps and compressors.
• Conveyors and material handling systems.
• Machine building and automation systems.
• OEM electrical control panels.

Trusted by Automation Engineers Worldwide

ABB T16 thermal overload relays are widely used across industrial automation and motor control applications where dependable overload protection, compact dimensions and long operational life are essential.