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Thermal Overload Relay 2.5-4A 25A Frame NR2 Chint

BRAND: CABAC
SKU: 268139
$90.20 List price: $120.30
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Chint NR2 thermal overload relay features 2.5-4A setting range, 25A frame, and direct mounting to NC1 contactors. Ideal for motor overload protection.

Alternatively Known As: Motor Overload Relay, Thermal Relay, Three-Phase Motor Protection Relay

Technical Specifications
  • Model: NR2-25
  • Adjustable Current Range: 2.5-4A
  • Frame Size: 25A
  • Number of Poles: 3
  • Rated Thermal Current: 25A
  • Rated Operational Voltage: 380/400/415V AC and up to 660V AC
  • Rated Insulation Voltage: 690V
  • Rated Impulse Withstand Voltage: 6kV
  • Frequency: 50/60Hz
  • Trip Class: 10A
  • Auxiliary Contacts: 1 normally open and 1 normally closed
  • Mounting: Direct plug-in mounting to compatible CHINT NC1 contactors
  • Protection Functions: Overload and phase-loss protection
  • Reset: Manual or automatic
  • Protection Degree: IP20
  • Dimensions (H x L x W): 66mm x 94mm x 45mm
  • Weight: 0.164 kg
Key Features
  • Adjustable 2.5-4A motor protection setting range
  • Three-phase bimetal thermal overload protection
  • Provides overload and phase-loss protection
  • Directly mounts to compatible CHINT NC1 contactors
  • Temperature-compensated operation
  • Electrically separated 1NO+1NC auxiliary contacts
  • Integrated test, stop, reset and trip-indication functions
  • Suitable for independent mounting with the MB-2 accessory base
Professional Installation Requirements
  • Installation and adjustment should be carried out by a licensed electrician or suitably qualified electrical tradesperson in accordance with the manufacturer's instructions and AS/NZS 3000. Select the overload setting to match the motor's rated full-load current.
Applications
  • Three-phase motor overload protection
  • Motor starters and control panels
  • HVAC and refrigeration plant
  • Pumps, fans and compressors
  • Conveyors and light industrial machinery
  • CHINT NC1 contactor assemblies
Standards & Compliance
  • AS/NZS 60947.4.1 is the applicable Australian/New Zealand standard for low-voltage contactors and motor-starters; the CHINT NR2 series is specified to IEC/EN 60947-4-1.
Environmental Benefits
  • Helps protect motors from overload and phase-loss damage, extending equipment service life and reducing premature replacement waste
  • Supports reliable operation of pumps, fans and compressors, helping maintain efficient motor-system performance
  • Electrical metal components can be recovered through appropriate industrial recycling processes at end of life
Warranty Information

CHINT's published warranty policy provides 27 months from the date of manufacture for other low-voltage apparatus sold through authorised sales channels, subject to applicable contract terms and exclusions.

Available Now

Available through authorised CHINT distributors in Australia.

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