Description
Features:
- Detection of phase asymmetry
- Adjustable sensitivity
- Insensitive to regenerated EMF
- High stability under harmonic distortion
- Insensitive to balanced supply voltage variations
- Fast response to reserved phase sequence
- SP431 available with neutral
- 10A SPDT relay output
Specifications
Power Supply:
Supply voltage (phase-to-phase): 115, 230, 400, 440 525V AC ±15%
Power Consumption: 3VA (approx), 6VA for 415, 525V AC (approx)
Voltage Sensing:
Repetitive Accuracy: 1%
Hysteresis: 2% fixed (relative to its supply voltage)
Response Delay: 1 second (approx)

