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nr2-150g-104 chint thermal overload relay, 80a to 104a rated current
Chint NR2-150G-104 thermal overload relay with 80 A to 104 A adjustable current range designed for industrial motor overload and phase-loss protection.
£148.81
Why Choose the Chint NR2-150G-104 Thermal Overload Relay?
The Chint NR2-150G-104 is a heavy-duty thermal overload relay designed to provide reliable overload and phase-loss protection for three-phase AC motors in industrial motor control applications. As part of the advanced Chint NR2 thermal overload relay series, it delivers dependable motor protection for demanding automation systems, machinery and electrical control panels.
This overload relay uses a three-phase bimetal protection design with adjustable current settings, temperature compensation and integrated diagnostic features. The NR2 series is designed for stable operation in industrial environments and supports integration with compatible Chint contactors and motor starter assemblies.
With an adjustable current range of 80 A to 104 A, the Chint NR2-150G-104 is suitable for protecting larger industrial motors used in pumps, compressors, conveyors, HVAC systems and production machinery. Its plug-in mounting design enables straightforward installation in motor control panels.
Key Advantages
- Heavy-duty thermal overload relay for industrial motor protection.
- 80 A to 104 A adjustable current range for large motor applications.
- Provides reliable overload and phase-loss protection.
- Compatible with suitable Chint contactor and motor starter systems.
- Integrated manual and automatic reset functionality.
- Temperature compensation improves protection accuracy under changing conditions.
Key Features
- Chint NR2 thermal overload relay series.
- 80 A to 104 A adjustable overload setting.
- Three-phase bimetal thermal protection structure.
- Integrated phase-failure protection.
- Manual and automatic reset selection.
- Built-in test and stop buttons.
- Trip status indicator for operational monitoring.
- 1NO + 1NC auxiliary contacts.
Reliable Motor Protection for Industrial Applications
Thermal overload relays such as the Chint NR2-150G-104 protect motors against excessive current conditions, overheating and phase imbalance. By monitoring motor current and triggering when overload conditions occur, they help prevent costly equipment damage and improve system reliability.
The NR2 series combines adjustable overload protection, phase-loss detection and practical diagnostic features into a rugged industrial design suitable for OEM machinery, automation systems and motor control centres.
Typical Applications
- Industrial motor starter assemblies.
- Large three-phase motor protection systems.
- Pumps and compressor equipment.
- Industrial conveyors and processing machinery.
- Manufacturing automation systems.
- OEM control panels and motor control centres.
Technical Specifications
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| Mounting Type | Direct mount on contactor | |
|---|---|---|
| Current Range | 80–104 A | |
| Trip Class | Class 10A | |
| Device Type | Thermal Overload Relay | |
| Manufacturer | Chint | |
| Series | NR2 Thermal Overload Relay | |
| Model | NR2-150G-104 | |
| Product type | Thermal overload relay | |
| Current setting range | 80 A to 104 A | |
| Current class | 150 A | |
| Protection type | Overload and phase-loss protection | |
| Tripping class | Class 10A | |
| Rated operational voltage | Up to 690 V AC | |
| Frequency | 50 / 60 Hz | |
| Auxiliary contacts | 1NO + 1NC | |
| Mounting type | Plug-in mounting | |
| Protection rating | IP20 when enclosed | |
| Standard | IEC/EN 60947-4-1 |
Frequently Asked Questions
What is the Chint NR2-150G-104 used for?
The Chint NR2-150G-104 is a thermal overload relay used to protect large three-phase AC motors from overload and phase-loss conditions.
What current range does the NR2-150G-104 support?
The relay supports an adjustable current setting range of 80 A to 104 A.
Does the NR2-150G-104 provide phase-loss protection?
Yes, the NR2-150G-104 provides integrated phase-loss protection alongside thermal overload protection.
What contact arrangement does this overload relay have?
The NR2-150G-104 includes 1NO + 1NC auxiliary contacts for control and indication functions.
Where is the NR2-150G-104 typically installed?
The relay is typically installed in industrial motor starter assemblies, electrical control panels and automation systems.
Trusted by Industrial Control Professionals
Chint NR2 thermal overload relays are widely used in industrial motor control applications to provide reliable overload protection, phase monitoring and dependable operation in demanding automation environments.
