Thermal Overload Relay 48-65A 93A Frame NR2 Chint
Chint NR2 thermal overload relay features 48-65A setting range, 93A frame, and direct mounting to NC1 contactors. Ideal for motor overload protection.
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Alternatively Known As: Motor Overload Relay, Thermal Motor Protection Relay, NR2-93-65 Overload Relay
- Model: NR2-93-65
- Current Setting Range: 48–65 A
- Frame Rating: 93 A
- Main Circuit Rated Operational Voltage: Up to 690 V AC
- Rated Frequency: 50/60 Hz
- Number of Poles: 3
- Auxiliary Contacts: 1 normally open and 1 normally closed
- Rated Auxiliary Contact Current: 2.73 A at 220 V AC; 1.58 A at 380 V AC; 0.2 A at 220 V DC
- Impulse Withstand Voltage: 6 kV
- Recommended Matching Contactor: CHINT NC1-40, NC1-50, NC1-65, NC1-80 or NC1-95
- Recommended Fuse Protection: 63 A aM or 100 A gG
- Mounting: Direct plug-in mounting to compatible contactors or independent mounting with MB-4 base
- Connection Capacity: 4–35 mm² main conductors; 1–2.5 mm² auxiliary conductors
- Dimensions (H x L x W): 83mm x 117mm x 72mm
- Weight: 0.9 kg
- Adjustable 48–65A thermal overload protection
- Provides overload and phase-failure protection for three-phase AC motors
- Manual or automatic reset selection
- Temperature compensation for more consistent operation
- Trip indication, test button and stop button
- Direct mounting to compatible CHINT NC1 contactors
- Suitable for use in direct-on-line motor starters
- 1NO and 1NC auxiliary contacts for control and status indication
- Installation and connection should be performed by a licensed electrician or suitably qualified electrical tradesperson. Select upstream short-circuit protection and contactor compatibility in accordance with the manufacturer's instructions and applicable Australian wiring requirements.
- Three-phase motor overload protection
- Direct-on-line motor starters
- Pumps, fans and compressors
- Conveyors and industrial machinery
- HVAC and refrigeration motor control panels
- Applicable product standard: AS/NZS IEC 60947.4.1:2015 for contactors and motor-starters. CHINT documentation specifies IEC/EN 60947-4-1; confirm local certification and installation requirements before use.
- Helps prevent motor damage from sustained overload and phase failure, extending motor service life
- Supports repairable motor-control systems and can help reduce premature equipment replacement
- End-of-life relay components should be separated and processed through appropriate electrical equipment recycling channels
CHINT general warranty policy states 27 months from the date of manufacture for other low-voltage apparatus sold through authorised channels. Contract terms and local distributor conditions may vary.
Available through authorised CHINT distributors in Australia.
