A3440 - Alternating control box for 3 electric pumps.
Control and protection of water pumps used in hydropneumatic stations and pumping systems with 3 pumps.
- 615x415x230 mm grey polyester box.
- Contactors and motor circuit breakers of the selected trademarks.
- General power switch.
- Alternating relay for control of alternance and simultaneity.
- Protection against phase change or phase failure by a phase sequence/ failure relay (if triphase).
- Automatic (AUT), On (I) or Off (0), mode system controlled in each pump independently by a 3 positions toggle switch.
- Connection with reduced tension (12V) for motor start/Stop remote control connection (C51-C52, C61-C62, C71-C72)(pressureswitch, float-switch or other).
- Safety control connection with reduced tension (12V) (C11-C12) (pressure-switch, float-switch or other).
- Individual safety control connection with reduced tension (C21-C22, C31-C32, C41-C42).
- Protection of the control circuit by a fuse.
- Protection of the power circuit against short-circuits and overloads by a motor circuit breaker.
- Phases presence indication (yellow signal lamp).
- Running motor individual indication (green signal lamp).
- Overload trip individual indication (red signal lamp).
- Phase change or phase failure indication (red signal lamp).
- 9 cable glands for connection cables.