Description

Features: 

• Detection of phase asymmetry
• Clear warning alarm when detection has taken place (SX125)
• 5mm bright LED indication with detection (SX125 & SX131)
• Insensitive to regenerated EMF
• High stability under harmonic distortion
• Insensitive to balanced supply voltage variations
• Fast response to reversed phase sequence
• 10A DPDT relay output

Specifications

Power Supply:

Supply Voltage (phase-to-phase): 115, 230, 400, 525V AC ±20%

Power Consumption: 3V (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)