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nr2-11.5/0.4 chint thermal overload relay, 0.25a to 0.40a rated current
Chint NR2-11.5/0.4 thermal overload relay with 0.25-0.4 A adjustable current range designed for industrial motor protection applications.
£14.80
Why Choose the Chint NR2-11.5/0.4 Thermal Overload Relay?
The Chint NR2-11.5/0.4 is a reliable thermal overload relay designed to provide motor protection against overload conditions and phase failure in industrial electrical systems. As part of the Chint NR2 thermal overload relay series, it is designed for use with contactors and motor starters to help protect three-phase motors in automation, machinery and industrial control applications.
This overload relay provides adjustable current protection, allowing accurate matching to the motor's rated operating current. Its compact design and direct mounting compatibility with Chint contactors make it suitable for motor control panels and low-voltage switchgear assemblies.
With an adjustable current setting range of 0.25–0.4 A, the NR2-11.5/0.4 is suitable for protecting small industrial motors and control applications where dependable overload protection is required. The relay helps improve equipment reliability by reducing the risk of motor damage caused by excessive current.
Key Advantages
- Reliable thermal overload protection relay for industrial motors.
- Adjustable 0.25–0.4 A current range for accurate motor protection.
- Protects motors against overload and phase failure conditions.
- Compatible with Chint contactors for motor starter assemblies.
- Compact design for electrical control panels and switchgear applications.
- Improves motor reliability and helps prevent costly equipment damage.
Key Features
- Chint NR2 thermal overload relay series.
- Adjustable thermal protection setting.
- Current adjustment range: 0.25–0.4 A.
- Manual and automatic reset functionality.
- Phase failure protection function.
- Suitable for use with industrial contactors.
- Designed for three-phase motor protection applications.
Reliable Motor Protection for Industrial Systems
Thermal overload relays such as the Chint NR2-11.5/0.4 monitor motor current and disconnect the control circuit when an overload condition occurs. This helps protect motors from overheating and extends the service life of electrical equipment.
The Chint NR2 series is designed for use in motor starters, automation systems and industrial control panels. Combined with compatible contactors, it provides a complete solution for reliable motor switching and protection.
Typical Applications
- Industrial motor starters.
- Pumps and fan systems.
- Conveyor and material handling equipment.
- Machine automation systems.
- Control panels and electrical cabinets.
- Low-voltage motor protection circuits.
Technical Specifications
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| Device Type | Thermal Overload Relay | |
|---|---|---|
| Current Range | 0.25–0.4 A | |
| Compatible With | NR2–11 | |
| Reset Type | Manual / Automatic | |
| Mounting Type | Direct mount on contactor | |
| Manufacturer | Chint | |
| Series | NR2 Thermal Overload Relays | |
| Model | NR2-11.5/0.4 | |
| Product type | Thermal overload relay | |
| Adjustment range | 0.25–0.4 A | |
| Rated insulation voltage | 690 V | |
| Rated frequency | 50 / 60 Hz | |
| Protection function | Overload and phase failure protection | |
| Reset mode | Manual / automatic reset | |
| Mounting type | Contactor mounting / panel installation | |
| Standards compliance | IEC/EN 60947-4-1 |
Frequently Asked Questions
What is the Chint NR2-11.5/0.4 used for?
The NR2-11.5/0.4 is a thermal overload relay used to protect industrial motors from overload and phase failure conditions.
What current range does this overload relay cover?
The Chint NR2-11.5/0.4 has an adjustable protection range of 0.25–0.4 A.
What type of protection does this relay provide?
The relay provides thermal overload protection and phase failure protection for motor applications.
Can this relay be used with contactors?
Yes, the NR2-11.5/0.4 is designed for use with compatible Chint contactors in motor starter assemblies.
Where is this overload relay installed?
The relay is typically installed in industrial control panels, motor starters and low-voltage switchgear assemblies.
Trusted by Industrial Control Engineers
Chint NR2 thermal overload relays are widely used in industrial motor protection applications to provide dependable overload monitoring, equipment protection and reliable automation control.
