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Phase Sequence Relay 3P 200-500V AC SPDT DIN Rail Chint

BRAND: CABAC
SKU: 310007
$178.80 List price: $238.30
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Chint NJB1 phase sequence relay features 200-500V AC 3 phase monitoring, SPDT output, LED status and DIN rail mount. Ideal for phase loss and reversal protection.

Alternatively Known As: Three-Phase Protection Relay, Phase Monitoring Relay, Phase Reversal Relay, Phase Failure Relay

Technical Specifications
  • Rated Voltage: 200–500V AC
  • Operating Frequency: 50/60Hz
  • Monitoring Function: Phase sequence and phase loss
  • Contact Configuration: 1 changeover contact, SPDT
  • Contact Rating: AC-15 24V/0.75A; 415V/0.47A
  • Thermal Current: 3A
  • Response Time: ≤0.1 seconds for phase sequence or phase failure
  • Power Consumption: ≤3VA
  • Mounting: 35mm DIN rail
  • Indicator: LED operation indication
  • Ambient Operating Temperature: −5°C to +40°C
  • Storage Temperature: −25°C to +70°C
  • Terminal Arrangement: L1, L2, L3 input with 11, 12 and 14 relay output terminals
  • Dimensions (H x L x W): 100mm x 102mm x 22.5mm
  • Weight: 0.18 kg
Key Features
  • Detects incorrect phase sequence and phase loss in three-phase AC systems
  • SPDT changeover output for connection to control circuits
  • Fast response within 0.1 seconds for phase sequence and phase failure conditions
  • LED status indication for operating condition
  • Compact 35mm DIN rail mounting design
  • Suitable for industrial control panels, motor starters and automation equipment
  • The relay monitors the control supply and is not designed to directly monitor phase loss at a motor load
Professional Installation Requirements
  • Installation and wiring involve potentially hazardous 200–500V AC three-phase circuits and should be performed by a licensed electrician in accordance with applicable Australian wiring rules and the manufacturer's instructions.
Applications
  • Three-phase motor starter control circuits
  • Industrial automation panels
  • Switchboards and control cabinets
  • Phase reversal protection
  • Phase loss protection for contactor and control circuits
  • Protection of voltage-sensitive industrial equipment
Standards & Compliance
  • IEC 60947-5-1 product standard for low-voltage control circuit devices
  • AS/NZS 3820:2020 essential safety requirements for electrical equipment should be addressed for Australian supply and installation
  • AS/NZS 3000 requirements apply to the electrical installation and wiring
Environmental Benefits
  • Low power consumption of up to 3VA during operation
  • Helps prevent damage to motors and connected equipment, potentially extending service life and reducing replacement waste
  • Compact DIN rail design reduces panel space and material use
Warranty Information

CHINT warranty policy provides 27 months from the date of manufacture against defects in materials and workmanship for other low-voltage apparatus sold through authorised sales channels; contract conditions may vary.

Available Now

Available through authorised CHINT distributors in Australia.

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