TF42-16 Thermal Overload Relay 13-16A Class 10 3P | ABB

The Original New ABB TF42-16 (1SAZ721201R1047) is a 3‑pole thermal overload relay designed for reliable motor protection in industrial automation and control systems. Part of the ABB TF42 series, this economic electromechanical protection device offers adjustable overload protection from 13 A to 16 A with Class 10 trip characteristics. It provides fast and reliable protection for motors against overload and phase failure. With direct mounting onto AF series contactors, temperature compensation, and selectable automatic or manual reset, the TF42-16 is an ideal protection solution for motor starters, pump controls, and conveyor systems.

Core Engineering Highlights:
13–16 A adjustable current range | Class 10 trip characteristic | 690 V AC rated operational voltage | 3‑pole configuration | 1 NO + 1 NC auxiliary contacts | IP20 protection | Screw terminals | Automatic or manual reset selectable | Phase loss sensitivity | Temperature compensation (–25°C to +60°C) | Direct mounting on AF09–AF38 contactors | 45 mm width

Key Features:

• Original New ABB TF42-16 thermal overload relay (1SAZ721201R1047)

• Adjustable current range: 13–16 A for precise motor protection

• Class 10 trip characteristic for standard motor protection

• Phase loss sensitivity – trips on single‑phase condition

• Temperature compensation from –25°C to +60°C for consistent performance

• Selectable automatic or manual reset

• Trip‑free mechanism and STOP/TEST functions

• 1 NO (signal) and 1 NC (trip) auxiliary contacts

• Screw terminals for secure wiring

• IP20 protection for control cabinet installation

• Direct mounting onto ABB AF09–AF38 block contactors

• Sealable operating elements for tamper‑proof settings

Applications:

• Thermal overload protection for three‑phase motors

• Motor starter combinations with ABB AF series contactors

• Pump and compressor motor protection

• Conveyor and material handling systems

• HVAC equipment and fan control

• General industrial automation and OEM machinery

• Single‑phase motor protection applications

Technical Specifications:

System Compatibility:

• Compatible with ABB AF09, AF12, AF16, AF26, AF30, AF38 block contactors

• Direct mounting onto contactors – no additional mounting kit required

• Suitable for three‑phase and single‑phase motor applications

• Compatible with ABB motor starter combinations and control panels

Related Products:

• AF09–AF38 series – ABB block contactors for direct mounting

• T16 series – Compact thermal overload relays

• TF42‑0.41 to TF42‑38 – Full TF42 series range (0.10–38 A)

• Single mounting kits – For standalone mounting applications

PLC ERA is an independent industrial automation distributor supplying genuine Original New products through established global supply channels. All products are factory sealed when applicable and undergo quality inspection prior to shipment. ABB is a trademark of ABB Group.