NR2-36 Relay for NC1 / NC2 Contactor
Chint NR2-36 Thermal Overload Relay, 23–36A, For NC1/NC2 Contactors
Thermal overload relay for 3-phase AC motors with adjustable current range up to 36A. Provides overload and phase loss protection and mounts directly on Chint NC1/NC2 contactors.
Chint NR2-36 is a thermal overload relay designed for protection of 3-phase AC motors against overload and phase loss. With adjustable current ranges up to 36A and direct compatibility with Chint NC1 and NC2 contactors, it is a compact and reliable solution for motor starters and industrial control panels up to 690V AC.
Key Features (Bulleted)
Thermal overload relay for 3-phase AC motors
Adjustable current ranges (typical variants: 23–32A and 28–36A)
Protection against overload and phase loss (phase failure)
Rated operational voltage up to 690V AC, 50/60 Hz
Direct plug-in mounting with Chint NC1 and NC2 contactors
1 NO + 1 NC auxiliary contacts, electrically isolated
Manual and automatic reset modes selectable
Temperature compensation for stable tripping characteristics
Tripping indicator and built-in test and stop buttons
Complies with IEC/EN 60947-4-1 and major international certifications (CE, KEMA, EAC, RCC, UL)
Technical Specifications (Table)
| Parameter | Value |
|---|---|
| Model | NR2-36 |
| Brand | Chint |
| Product Type | Thermal Overload Relay |
| Current Range (variants) | 23–32A or 28–36A (model dependent) |
| Rated Operational Voltage | Up to 690 V AC |
| Frequency | 50 / 60 Hz |
| Protection Functions | Overload, phase loss (phase failure) |
| Auxiliary Contacts | 1 NO + 1 NC, electrically separated |
| Reset Modes | Manual/Automatic selectable |
| Mounting | Direct on NC1/NC2 contactors or independent (with accessories) |
| Standard Compliance | IEC/EN 60947-4-1 |
| Certifications | CE, KEMA, EAC, RCC, UL |
| Additional Features | Temperature compensation, trip indicator, test & stop buttons |
| Typical Application | 3-phase AC motor protection in starters and panels |
| Approx. Dimensions (L × W × H) | ~9 × 8 × 10 cm (approx.) |
| Approx. Weight | ~0.35 kg (approx.) |
(You can create separate variants in Zoho for 23–32A and 28–36A with their own SKUs if needed.)
Applications (Bulleted)
Overload protection for 3-phase induction motors
Motor starters using Chint NC1 / NC2 contactors
Pump, blower and compressor panels
Conveyors and material-handling systems
HVAC and utility motor control panels
General industrial automation and machine control
What’s in the Box?
1 × Chint NR2-36 Thermal Overload Relay (current range as ordered)
Quick reference labels/markings on the relay
Packaging and identification label
FAQ (4–6 Q&A)
Q1. What current ranges are available in the Chint NR2-36 relay?
A1. The NR2-36 series is typically available in ranges like 23–32A and 28–36A. You should select the current range based on the full load current of your motor.
Q2. Is the NR2-36 suitable for 3-phase motor protection?
A2. Yes. It is designed for 3-phase AC motor protection and offers both overload and phase loss protection in motor starter circuits.
Q3. Can this relay be directly mounted on Chint contactors?
A3. The NR2-36 is designed for direct plug-in mounting on Chint NC1 and NC2 contactors. It can also be mounted independently using appropriate accessories.
Q4. What auxiliary contacts are provided?
A4. The relay includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contact, which are electrically isolated and can be used in control circuits.
Q5. Does the relay support both manual and automatic reset?
A5. Yes. The NR2-36 offers manual and automatic reset modes, switchable on the device as per application requirement.
Q6. What standards and certifications does it comply with?
A6. It complies with IEC/EN 60947-4-1 and is certified by CE, KEMA, EAC, RCC, and UL, making it suitable for use in standard industrial panels.