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Thermal Overload Relay 12-18A 25A Frame NR2 Chint

BRAND: CABAC
SKU: 268097
$90.20 List price: $120.30
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Chint NR2 thermal overload relay features 12-18A setting range, 25A frame, and direct mounting to NC1 contactors. Ideal for motor overload protection.

Alternatively Known As: NR2-25-18 Thermal Overload Relay, Motor Overload Relay, Thermal Motor Protection Relay

Technical Specifications
  • Current Setting Range: 12–18 A
  • Frame Size: 25 A
  • Rated Operational Voltage: Up to 690 V AC
  • Rated Frequency: 50/60 Hz
  • Tripping Class: 10A
  • Number of Poles: 3
  • Auxiliary Contacts: 1 normally open and 1 normally closed
  • Mounting: Plug-in direct mounting or independent mounting
  • Reset Function: Automatic and manual reset
  • Protection Functions: Thermal overload and phase-loss protection
  • Recommended Contactor: CHINT NC1-09 to NC1-32 and compatible NC7 contactors
  • Recommended Fuse: 20 A aM or 20 A gG
  • Product Standard: IEC/EN 60947-4-1
  • Dimensions (H x L x W): 72mm x 99mm x 49mm
  • Weight: 0.188 kg
Key Features
  • Adjustable 12–18A motor protection range
  • 25A frame for compatible CHINT contactors
  • Provides thermal overload and phase-loss protection
  • Directly mounts to NC1 contactors
  • Selectable automatic or manual reset operation
  • Includes electrically separated 1NO and 1NC auxiliary contacts
  • Built-in trip indication and test/stop controls
Professional Installation Requirements
  • Installation, adjustment and testing should be performed by a licensed electrician or suitably qualified motor-control technician. Isolate the electrical supply before installation and configure the relay in accordance with the motor and contactor manufacturer's requirements and AS/NZS 3000.
Applications
  • Motor overload protection in commercial and industrial control panels
  • Direct-on-line motor starters
  • HVAC and refrigeration motor control systems
  • Pumps, fans, compressors and other three-phase motor applications
  • Replacement or retrofit of compatible CHINT NC1 contactor overload relays
Standards & Compliance
  • Relevant Australian/New Zealand product standard: AS/NZS IEC 60947.4.1:2015 for low-voltage contactors and motor-starters
Environmental Benefits
  • Helps prevent premature motor failure and replacement through overload and phase-loss protection
  • Supports longer service life for connected motors and control equipment, reducing maintenance waste
Warranty Information

CHINT's published warranty policy lists 27 months from the date of manufacture against defects in materials and workmanship for other low-voltage apparatus sold through authorised channels; contract terms may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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