K8DT-PZ
Three-phase voltage, asymmetry, and phase-sequence phase-loss relay
Protect motors and other equipment from unstable voltages in the power supply system. Detect overvoltages, undervoltages, voltage asymmetry, phase sequence, and phase loss for three-phase power supplies.
- Phase loss detection while the motor is operating
- Widely applies 3-phase 3-wire system (Changed with a DIP switch)
- Greater resistance to inverter noise
- Width of 17.5 mm to reduce space required in panels
- Push-in plus Technology that reduce wiring work
- UL listed for easy shipping to North America
- Double-insertion holes for crossover wiring (all terminals)
- Models added with transistor outputs for superior contact reliability
- RoHS compliant
Specifications & ordering info
Ordering information
Rated input voltage1 |
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Note: The input range is set with a rotary switch.
Accessories
Front Cover (Order separately)
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Specifications
Overvoltage/Undervoltage
Asymmetry The rated input voltage can be switched by using the DIP switches. |
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Overvoltage/Undervoltage
Asymmetry The asymmetry operation will function when the potential difference between the highest and lowest voltage phases equals or exceeds the asymmetry operating value. |
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Power (PWR): Green, Output (OUT): Yellow, Alarm outputs (ALM): Red |
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±0.5% full scale (at 25°C and 65% humidity, rated power supply voltage) |
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±50 ms (at 25°C and 65% humidity, rated power supply voltage) |
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EN 60947-5-1 |
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UL 60947-5-1 (Listing), Korean Radio Waves Act (Act 10564), CCC (GB 14048.5), LR (Category ENV1.2)2 |
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