Carlo Gavazzi Monitoring Relay Voltage 3-Phase Plug-In SY175220-50

Carlo Gavazzi Monitoring Relay 3-Phase, Phase Sequence / Loss / Asymmetrical / Angle, 50Hz, S Housing, Plug-In, SPDT, Supply: 220VAC.

3-phase plug-in monitoring relay for phase sequence, phase loss, phase asymmetry and phase angle. Frequently used to control the mains in electrical distribution systems. The S 171 module features built-in time delay.

General Characteristics

• Mains network quality and load monitoring relay
• Monitors phase sequence, phase loss, phase asymmetry and phase angle
• Measures asymmetry on 3-ph. voltage without neutral
• Built-in adjustable timer function
• Knob-adjustable asymmetry sensitivity
• Output: 10 A SPDT relay
• Plug-in type module
• S-housing
• LED-indication for power supply and output ON
• Power supply is the 3-phased measuring voltage