Electronic direct starter panel for 2 motors for pressure boosters, clean water and wastewater.

• Multi-application panel
• Single-phase version with power relay for inductive loads (up to 31A)
• Motherboard protection

• Operating voltage 230Vac +15/-20% 50/60Hz (SA674.xx)
• Operating voltage 400Vac +15/-20% 50/60Hz (SA677.xx)
• Main isolator switch with door lock
• No. 2 buttons for automatic-0-manual operation
• Siren mute button
• Maximum current trimmer for each motor
• Probe sensitivity trimmer 1÷100 kohm
• “POWER” LED indicator light (mains presence)
• No. 2 LED running indicator lights
• No. 2 motor overload LED indicator lights
• No. 2 motor Klixon intervention LED indicator lights
• No. 2 motor status LED indicator lights
• “FUNCTION” LED indicator light (input status)
• “ALARM” LED indicator light (level status)
• Auxiliary circuit protection fuse
• Motor protection fuse
• No. 2 contactors (SA677.xx)
• External enclosure in thermoplastic material
• Cable glands
• IP65 protection rating
• Operating temperature -5/+50°C
• Relative humidity 60% at 50°C (non-condensing)

INPUTS/OUTPUTS

• No. 4 extra-low voltage inputs
• No. 2 extra-low voltage inputs for motor Klixon
• No. 2 12Vdc alarm outputs, max. 200mA, for siren and LED flashing light
• Alarm output max. 5A NC-COM-NO (dry contact)

PROTECTIONS

• Maximum current protection for each motor with alarm
• Phase failure and phase sequence protection with automatic reset and alarm
• Deactivatable minimum and maximum voltage protection with automatic reset and alarm
• Klixon protection for each motor with automatic reset and alarm

ADVANTAGES

• Configuration via DIP switch
• Dry running with level control
• Adjustable probe sensitivity
• Deactivatable alternation of the 2 motors
• 3s delay between the starting of the 2 motors
• Automatic switching in the event of motor failure
• Siren mute
• Operation with pressure switches, floats and probes