Star-delta starter STARDELTA 1

three-phasewith thermal overload relaywith control box

Control panels suitable for starting centrifugal pumps or pressure booster systems with surface pumps. The STARDELTA range of control panels is available as a standard with ABS plastic box up to 11 KW, from 15 KW the panels come in metallic box. GENERAL FEATURES Power supply 3~50/60 Hz 400V ±10%; Transformer 24 Vac for auxiliary circuit; Auxiliaries contacts and circuits in low voltage; Blue led indicating mains supply; Auxiliaries and motor protection fuses; Main switch interlocking door; Enclosure in ABS up to 11KW, metallic box from 15KW, IP55; Ambient temperature: -5/+40 °C; Relative humidity 50% at 40 °C (not condensed). Normally open contact for start; Normally open contact for minimum level/ pressure contact; Selector for Auto-Off-Manual (stable) operation: - Manual: direct operation without controls; - Automatic: operation controlled by min input and start input; Green led indicating motor running; Red led indicating motor overload; Line, star and delta contactors in AC3; Overload thermal relay internally restorable; Adjustable star/delta timer.