Power relay with three main NO contacts and one auxiliary NC contact. Technical specifications include:

• Main contacts NC: 0
• Main contacts NO: 3
• Auxiliary contacts NC: 1
• Auxiliary contacts NO: 0
• Control voltage: AC
• Main circuit connection: screw connection
• Rated operating power for AC-3 400V: 4kW
• Rated control voltage Us for AC 50Hz / 60Hz: from 24V to 24V
• Rated operating current at AC-3 400V: 12A