SCHNAP Logo

Making Trade Life Easy!
Trade Discount 25%

Thermal Overload Relay 5.5-8A 25A Frame NR2 Chint

BRAND: CABAC
SKU: 268141
$90.20 List price: $120.30
+ −
30 Days Return Electricians Unlock Trade Access
Chint NR2 thermal overload relay features 5.5-8A setting range, 25A frame, and direct mounting to NC1 contactors. Ideal for motor overload protection.

Alternatively Known As: CHINT NR2-25-8, NR2-25/Z 1F, Motor Overload Relay, Thermal Motor Protection Relay

Technical Specifications
  • Current Setting Range: 5.5–8 A
  • Frame Rating: 25 A
  • Number of Poles: 3
  • Auxiliary Contacts: 1 normally open and 1 normally closed
  • Mounting: Direct mounting to compatible NC1 and NC7 contactors; independent mounting with MB-2 accessory
  • Rated Operational Voltage: 380/400/415 V AC and 660 V AC
  • Rated Insulation Voltage: 690 V
  • Rated Impulse Withstand Voltage: 6 kV
  • Rated Frequency: 50/60 Hz
  • Trip Class: 10A
  • Phase Failure Protection: Yes
  • Reset Function: Automatic and manual
  • Terminal Capacity: 0.5–4 mm² stranded or rigid wire
  • Recommended Fuse Protection: 12 A aM or 12 A gG for the 5.5–8 A setting range
  • Dimensions (H x L x W): 66mm x 94mm x 45mm
  • Weight: 0.181 kg
Key Features
  • Adjustable 5.5–8 A thermal overload protection
  • Protects three-phase motors against overload and phase failure
  • 25 A frame suitable for compatible NC1 contactors
  • Direct contactor mounting reduces panel wiring and installation space
  • Includes 1NO and 1NC auxiliary contacts for control and signalling circuits
  • Automatic or manual reset selection
  • Integrated test and stop functions with trip indication
Professional Installation Requirements
  • Installation and electrical connection should be performed by a licensed electrician in accordance with the manufacturer's instructions, applicable wiring rules and site requirements. Set the relay to the motor's nameplate full-load current and provide suitable short-circuit protection.
Applications
  • Three-phase motor overload protection
  • Motor starters and control panels
  • HVAC and refrigeration compressor systems
  • Fans, pumps and ventilation equipment
  • Industrial machinery using compatible NC1 contactors
Standards & Compliance
  • AS/NZS IEC 60947.4.1 is the applicable product standard for electromechanical contactors, motor-starters and associated overload protection devices; Australian RCM and local conformity requirements should be verified before supply or installation
Environmental Benefits
  • Thermal protection can help prevent motor damage and premature equipment replacement
  • Replaceable relay design can reduce waste compared with replacing a complete motor starter assembly
  • Durable electrical control equipment supports longer service life in motor and HVAC systems
Warranty Information

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

Available Now

Available through authorised CHINT distributors in Australia.

Related Products