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ZCT-035-Z

The Schneider Electric ZCT-035-Z is a zero phase current transformer (ZCT) specifically designed for use with EOCR (Electronic Over Current Relay) series protection devices . It detects leakage or residual currents by monitoring all three-phase conductors passing through its core, utilizing the zero-sequence current detection method for ground fault protection

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Parameter Value / Range Notes Product Series EOCR Schneider Electric electronic relay series Model ZCT-035-Z Zero Phase Current Transformer Transformer Type Zero phase current transformer (ZCT) Solid core design Internal Diameter (Aperture) 35 mm For cable pass-through Current Transformer Ratio 200 A / 1.5 mA Primary 200A : Secondary 1.5mA Measurement Accuracy ±5% Full scale accuracy Rated Power (Burden) 10 VA Rated Voltage AC 600V Insulation voltage for main circuit Network Frequency 50/60 Hz Output Voltage 13.5 ~ 16.5 mV DC Insulation Resistance ≥100 MΩ at 500V DC Or 10 MΩ at 500V (spec varies) Dielectric Strength 2 kV for 60 seconds Insulation test voltage Connection Terminals Power circuit: lug-clamp Accepts 1.5~4 mm² flexible cable Cable Length 0.215 m Lead wire length Tightening Torque 1.7 N.m on lug-clamp 6.8 mm screw(s) Mounting Support Panel or 35mm DIN rail With accessories Dimensions (W x H x D) 85 mm x 30 mm x 85 mm Approximate external dimensions Net Weight 0.23 kg Operating Temperature -20°C to +60°C Conforming to IEC 60947-4-1 Storage Temperature -30°C to +80°C Operating Altitude ≤ 2000 m Protection Class IP20 (enclosure) Resin-cast sealed structure Compatible Devices EOCR-3EZ, EOCR-FMZ2, EOCR-SE, EOCR-3DE, EOCR-SS series Schneider EOCR relays with ground fault function