CHINT NR2-25-8 thermal overload relay with adjustable 5.5 A to 8 A current setting designed for three phase motor overload and phase failure protection.
£26.19
The CHINT NR2-25-8 is a reliable thermal overload relay designed to provide effective overload and phase failure protection for three-phase AC motors in industrial control and automation systems. As part of the proven CHINT NR2 thermal overload relay series, it delivers adjustable current protection and dependable motor safeguarding for contactor-based motor starter assemblies.
This relay features a three-phase bimetal thermal protection structure with temperature compensation to maintain accurate operation under varying ambient conditions. The compact design, integrated test functions and selectable reset modes make the NR2-25-8 suitable for use in electrical control panels and industrial machinery applications.
With an adjustable current setting range of 5.5 A to 8 A and a rated insulation voltage of 690 V AC, the NR2-25-8 is ideal for protecting small industrial motors used in pumps, conveyors, fans, compressors and production equipment.
Thermal overload relays such as the CHINT NR2-25-8 protect electric motors by monitoring current levels and disconnecting the motor circuit when overload conditions occur. This helps prevent overheating, winding damage and unexpected equipment downtime.
The NR2 series is designed for industrial automation engineers, panel builders and OEM manufacturers requiring dependable motor protection, simple installation and compatibility with modern contactor-based control systems.
| Manufacturer | CHINT |
|---|---|
| Series | NR2 Thermal Overload Relay |
| Model | NR2-25-8 |
| Product type | Thermal overload relay |
| Current adjustment range | 5.5 A to 8 A |
| Rated insulation voltage | 690 V AC |
| Frequency | 50 / 60 Hz |
| Tripping class | Class 10A |
| Protection functions | Overload and phase failure protection |
| Auxiliary contacts | 1 NO + 1 NC |
| Reset mode | Manual / automatic selectable |
| Mounting type | Direct contactor mounting |
| Protection rating | IP20 when installed |
| Compliance standards | IEC/EN 60947-4-1 |
The CHINT NR2-25-8 is used to protect three-phase AC motors against overload conditions and phase failure in industrial motor control applications.
The relay supports an adjustable current range of 5.5 A to 8 A for motor protection settings.
The NR2-25-8 has a rated insulation voltage of 690 V AC and is suitable for industrial motor control circuits.
The relay provides thermal overload protection, phase failure protection, temperature compensation and adjustable reset functionality.
The relay is typically mounted directly onto compatible CHINT contactors to create a compact motor starter assembly.
CHINT NR2 thermal overload relays are widely used in industrial motor control systems to provide reliable protection, efficient operation and dependable performance in automation equipment.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...