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Mitsubishi Electric NV-ZS is an earth leakage relay (ELR) designed to protect electrical systems from ground faults and leakage currents. It detects small leakage currents (e.g., 30 mA) and issues a trip signal to disconnect the power, preventing electric shock hazards and fire risks. Technical Specifications: Manufacturer: Mitsubishi Electric Corporation Model: NV-ZS Type: Earth Leakage Relay (ELR) Rated sensitivity current: 30 mA (detection threshold) Rated under-operating current: ≤ 15 mA Operating time: ≤ 0.1 s (at rated sensitivity current) Rated voltage (supply): 100–200 VAC, 50/60 Hz Power consumption: Approx. 2 VA Relay contact rating: – 250 VAC, 1 A (resistive load) – 100 VAC, 1 A – 30 VDC, 1 A Reset method: Manual reset (Reset button on front) Test function: Built-in test button to verify relay operation Indicators: Mechanical flag or LED (depending on version) for trip condition Connections: Screw terminals (for supply, CT input, and output contacts) Compatible CTs: Works with external zero-phase current transformer (ZCT) for leakage current detection Mounting: Panel mount, relay chassis type Applications: – Low-voltage distribution systems – Industrial machinery safety – Motor control centers (MCCs) – Preventing electrical fire hazards due to ground leakage Operating temperature: -10°C to +50°C Storage temperature: -25°C to +70°C Standards: Conforms to JIS, IEC, and UL standards for ground fault protection Manufacture location: Japan (Mitsubishi Electric production facilities) Please review pictures carefully and let us know if you have any questions!
Condition: Used
Weight: 0.90
Depth: 4.00
Length: 7.00
Width: 7.00
SKU: 8650 4.S9.4.4
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