Trade Discount 25%
Thermal Overload Relay 55-70A 93A Frame NR2 Chint
Chint NR2 thermal overload relay features 55-70A setting range, 93A frame, and direct mounting to NC1 contactors. Ideal for motor overload protection.
Please sign in so that we can notify you about a reply
Sign in
Please login to continue to your account.
Alternatively Known As: CHINT NR2-93 55-70A Thermal Relay, Motor Overload Relay, Thermal Overload Protection Relay
Technical Specifications
- Model: NR2-93-70
- Adjustment Range: 55-70 A
- Frame Rating: 93 A
- Main Circuit Voltage: Up to 690 V AC
- Rated Frequency: 50/60 Hz
- Poles: 3
- Tripping Class: 10A
- Auxiliary Contacts: 1NO + 1NC
- Reset Method: Manual or automatic
- Protection Functions: Motor overload and phase-failure protection
- Mounting: Direct plug-in mounting to compatible NC1 contactors
- Main Terminal Capacity: 4-35 mm² conductors
- Auxiliary Terminal Capacity: 1-2.5 mm² conductors
- Dimensions (H x L x W): 83mm x 117mm x 72mm
- Weight: 0.5 kg
Key Features
- Continuously adjustable 55-70A motor protection setting
- Designed for direct mounting to compatible CHINT NC1 contactors
- Provides three-phase motor overload and phase-loss protection
- Temperature-compensated thermal operation
- Manual and automatic reset selection
- Integrated trip indicator, test button and stop button
- Electrically separated normally open and normally closed auxiliary contacts
- Suitable for use in AC motor starters
Professional Installation Requirements
- Installation and adjustment must be performed by a licensed electrician or suitably qualified electrical professional. Isolate the electrical supply before installation and configure the relay in accordance with the motor manufacturer's full-load current, applicable wiring rules and contactor compatibility requirements.
Applications
- Three-phase motor overload protection
- Industrial motor starters
- HVAC and refrigeration equipment control panels
- Pumps, fans and compressors
- Commercial and industrial switchboards
- Replacement protection for compatible CHINT NC1 contactors
Standards & Compliance
- Designed and tested to IEC/EN 60947-4-1 for low-voltage contactors and motor starters
- Australian installations should be selected and installed in accordance with AS/NZS 3000 Wiring Rules
Environmental Benefits
- Supports longer motor and equipment service life by reducing damage caused by overload and phase failure
- Durable electromechanical construction can reduce replacement frequency and associated waste
- Metal components and selected plastics may be recoverable through appropriate electrical equipment recycling streams
Warranty Information
CHINT warranty policy specifies 27 months from the date of manufacture for other low-voltage apparatus sold through authorised sales channels, subject to the applicable contract and warranty conditions.
Available Now
Available through authorised CHINT distributors in Australia.
