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Thermal Overload Relay 37-50A 93A Frame NR2 Chint

BRAND: CABAC
SKU: 268147
$252.70 List price: $336.90
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Chint NR2 thermal overload relay features 37-50A setting range, 93A frame, and direct mounting to NC1 contactors. Ideal for motor overload protection.

Alternatively Known As: NR2-93 Motor Overload Relay, CHINT Thermal Overload Relay, 37-50A Overload Relay, Bimetallic Motor Protection Relay

Technical Specifications
  • Adjustment Range: 37-50 A
  • Frame Size: 93 A
  • Protection: Motor overload and phase loss
  • Trip Class: 10A
  • Rated Operational Voltage: Up to 690 V AC
  • Rated Frequency: 50/60 Hz
  • Auxiliary Contacts: 1 normally open and 1 normally closed
  • Reset: Manual or automatic
  • Mounting: Direct plug-in or independent mounting with accessory base
  • Compatible Contactors: CHINT NC1-50, NC1-65, NC1-80, NC1-95 and compatible NC7 contactors
  • Contact Rating: AC-15 up to 2.73 A at 220 V and 1.58 A at 380 V
  • Ingress Protection: IP20 when enclosed
  • Dimensions (H x L x W): 83mm x 117mm x 72mm
  • Weight: 0.48 kg
Key Features
  • Continuously adjustable 37-50A motor protection range
  • Thermal bimetallic construction for overload detection
  • Provides phase-loss protection for three-phase AC motors
  • Directly mounts to compatible CHINT NC1 contactors
  • Manual and automatic reset selection
  • Built-in test and stop functions
  • Visual trip indication
  • Temperature compensation for stable operation
  • Electrically isolated normally open and normally closed auxiliary contacts
Professional Installation Requirements
  • Installation and wiring should be performed by a licensed electrician in accordance with the manufacturer's instructions, applicable electrical requirements and AS/NZS 3000. The relay must be correctly coordinated with the contactor, motor and upstream short-circuit protection.
Applications
  • Three-phase motor overload protection
  • Direct-on-line motor starters
  • Industrial control panels
  • HVAC and refrigeration motor control systems
  • Pumps, fans, compressors and conveyor motors
  • Motor control assemblies using compatible CHINT NC1 contactors
Standards & Compliance
  • AS/NZS IEC 60947.4.1 is the applicable Australian/New Zealand standard series for low-voltage contactors and motor-starting equipment; confirm product conformity marking and local approval requirements before installation.
  • Manufacturer documentation specifies compliance with IEC/EN 60947-4-1.
Environmental Benefits
  • Helps prevent premature motor failure and associated replacement waste by disconnecting the control circuit during sustained overload conditions
  • Durable electromechanical construction can support long service life when correctly installed and maintained
  • Metal and polymer components can be separated and directed to appropriate electrical equipment recycling streams at end of life
Warranty Information

CHINT's general warranty policy for other low-voltage apparatus states 27 months from the date of manufacture against defects in materials and workmanship when supplied through authorised sales channels; Australian distributor terms may apply.

Available Now

Available through authorised CHINT distributors in Australia.

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