SIRIUS 3RW5235-6AC14 — active-production soft starter with multi-protocol fieldbus
Rated for a minimum operating current of 68 A at a supply voltage range of 200... 480 V, it supports trip classes CLASS 10A (default), 10E, and 20E per IEC 60947-4-2 — the trip class selection governs the allowable motor start time before thermal overload protection engages.
Fieldbus and control integration — PROFIBUS, Modbus, EtherNet/IP, PROFINET
The 3RW5235-6AC14 ships with onboard PROFIBUS, Modbus RTU, Modbus TCP, EtherNet/IP, and PROFINET standard communication, plus PROFIenergy capability when paired with the PROFINET standard communication module. An analog output is configurable as 4... 20 mA (default) or 0... 10 V via the High Feature HMI, and the unit supports firmware updates, remote reset by cycling the control supply voltage, and an error logbook (requires special accessories).
Mounting, clearance, and environmental limits
Dimensions are 306 mm height, 185 mm width, and 203 mm depth; the unit is screw-fixed to the mounting surface with a vertical mounting surface orientation, rotatable ±90° and tiltable ±22.5° front-to-back. Required clearances: 100 mm upwards, 75 mm downwards, 10 mm forwards, 0 mm backwards, and 5 mm at the side. Operating temperature range is -25... +60 °C with derating required at 40 °C or above.
Approvals and compliance documentation
Carries CE marking, UL approval, and CSA approval — the compliance documentation set covers the regulatory requirements for European and North American installations.
Application-specific features — pump ramp down and soft torque
Includes pump ramp down and soft torque functions, which are relevant for centrifugal pump applications where gradual deceleration reduces water hammer and mechanical stress on the piping. Minimum load is 15 % relative to the smallest settable Ie, and the unit supports auto-reset and remote reset by turning off the control supply voltage.