NXR Series Chint Thermal Overload Relay Switchgear
The Chint NXR Thermal Overload Relay is engineered to protect electric motors against overloads, phase failures, and phase imbalances. With precise current sensing and reliable trip mechanisms, the NXR relay ensures motor safety and longevity by preventing damage due to overheating and electrical faults.
Categories:
Chint SwitchgearKey Features
- Accurate Overload Protection – Detects motor overloads with adjustable trip settings.
- Phase Failure & Phase Imbalance Protection – Safeguards motors against electrical anomalies.
- Adjustable Current Range – Wide setting range to accommodate various motor ratings.
- Manual and Automatic Reset Options – Flexibility in resetting after trip events.
- Compact, Modular Design – Easy to mount in control panels and with compatible contactors.
- Compliance with International Standards – Certified to IEC 60947-4-1 for thermal overload relays.
| Specification | Details |
|---|---|
| Type | Thermal Overload Relay (NXR Series) |
| Rated Operational Voltage (Ue) | Up to 690 V AC |
| Current Range | 0.1 A to 95 A (adjustable) |
| Trip Class | Class 10, Class 20 (selectable) |
| Number of Poles | 3-pole |
| Reset Method | Manual or Automatic |
| Mounting | DIN rail or direct mounting on contactor |
| Electrical Endurance | Up to 10,000 operations |
| Mechanical Endurance | Up to 1 million operations |
| Standards Compliance | IEC 60947-4-1 |
| Applications | Motor overload protection, phase failure protection |
| Model | Current Range (A) | Mounting Type | Reset Type | Contact Configuration | Typical Application |
|---|---|---|---|---|---|
| NXR-10 | 2.5 – 4 | Direct mount | Manual / Automatic | 1 NO + 1 NC | Light motor protection |
| NXR-18 | 4 – 6.3 | Direct mount | Manual / Automatic | 1 NO + 1 NC | Medium motor protection |
| NXR-32 | 6.3 – 10 | Direct mount | Manual / Automatic | 1 NO + 1 NC | General motor protection |
| NXR-63 | 10 – 16 | Direct mount | Manual / Automatic | 1 NO + 1 NC | Heavy motor protection |
| NXR-100 | 16 – 25 | Direct mount | Manual / Automatic | 1 NO + 1 NC | Large motor protection |
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Catalog Name
|
Catalog Number[size]
|
Last Update
|
|---|---|---|
| NXR-Thermal Overload Relays-catalog | --- [2075KB] |
25 March 2025 |
Applications
- Motor protection in industrial automation systems
- HVAC and pump control panels
- Conveyor belts and material handling equipment
- General-purpose motor starter circuits
- Renewable energy systems requiring motor protection
Why Choose
- Reliable and sensitive overload protection to extend motor life.
- Flexible settings for various motor sizes and applications.
- Easy installation and maintenance with modular design.
- Ensures compliance with international safety and quality standards.
- Cost-effective solution for comprehensive motor protection.
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