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SDDR-DZ7

The Schneider Electric SDDR-DZ7 is an electronic motor protection relay from the SDDR series, designed for comprehensive protection of three-phase AC motors in industrial applications. This compact, MCU-based device provides reliable protection against various electrical faults. The "DZ7" designation indicates a specific configuration with through-hole wiring and 220V AC control voltage, suitable for standard industrial motor protection requirements.

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Technical Parameters Parameter Value / Range Product Series SDDR Model SDDR-DZ7 Protection Functions Overcurrent, Phase Loss, Reverse Phase, Unbalance, Locked Rotor Current Setting Range 3 ~ 30 A Control Voltage 220 VAC Contact Configuration 2-SPST (1a + 1b) Contact Rating 3A / 250V AC (Resistive load) Overcurrent Time Setting 0.5 ~ 15 sec Start Delay Time 2 ~ 60 sec (automatically calculated) Phase Loss Trip Time ≤ 3 sec Phase Unbalance Trip Time ≤ 8 sec Reverse Phase Trip Time ≤ 0.3 sec Mounting Type Panel Mount Wiring Method Through-hole type (Window) for main conductors Operating Temperature -20°C to +60°C Frequency 50/60 Hz Dimensions (WxHxD) 90 mm x 40 mm x 91 mm (approximate) Weight Approx. 0.16 kg Protection Class IP20 (Enclosure) Insulation Voltage 600 VAC