New! ... STELLAR SR44 Series Full-Featured 3-Phase Soft Starters ds_softstartersr44
- 9–370A @ 230–460VAC (suitable for use on 208V systems)
- SR44 series solid state starters have an Automatic Application Setup that fully configures the motor soft starter for a specific application with one entry
- SR44 series solid state motor starters also have a built-in "Optimizing" mode that reduces energy costs when used on lightly loaded and oversized AC motors, and external bypass capability for efficient running at rated speed
Applications- General purpose soft start applications where traditional across-the-line starting or wye-delta starting would typically be appropriate.
- Application types include: Agitator, Air Compressor, Ball Mill, Centrifuge, Chiller, Conveyor, Crusher, Escalator, Fan (Low and High Inertia), Feeder, Grinder, Hammer Mill, Lathe Machine , Mills (Flour, etc.), Mixer (Unloaded or Loaded), Pelletizer, Plastic and Textile Machines, Press (Flywheel), Pump (Centrifugal), Pump (Positive Displacement), Rolling Mill, Saw (Band), Saw (Circular), Screen (Vibrating), Transformer, Voltage Regulator, Tumbler, Wood Chipper.
|  |
Features- 9–370A @ 230–460VAC (suitable for use on 208V systems)
- 115 or 230 VAC selectable control voltage
- Full three-phase motor control
- Easily and separately adjustable motor soft start and stop times
- External bypass capability for run
- Advanced energy-saving Optimizing Mode improves motor efficiency and power factor for oversized motors; prolongs motor life
- Can be connected ‘in-the-delta’, allowing use of a smaller soft starter
- Can be used for motor reversing (with external contactors)
- Suitable for a wide variety of motor loads
- Keypad: 6 buttons with 2-line, 32-character display
- Can be used with local or remote control
- Optional Modbus or remote keypad control
- Programmable I/O for remote/PLC-based control
- Fault record history of last 5 trips
- IP20, panel mount
Standards and Approvals- UL listed* (E333109) *(Options SR44-KPD & SR44-RS485 are not UL approved)
- RoHS, CE, REACH
Optional Soft Starter Accessories- Communication/Modbus card SR44-RS485
- Remote keypad SR44-KPD (requires SR44-RS485)
| Advantages- Mechanical Advantages
- Smooth acceleration; reduced shock and starting stress
- Extend lifespan of mechanical drive train components
- Fluid couplings and some clutches can be eliminated
- Electrical Advantages
- Reduced motor starting current
- More motors or larger motors can be started from lower-capacity power sources
- Allows motors to be started more frequently
- Internal mechanical contacts open and close under reduced current, increasing lifespan and reliability
- Economic Advantages
- Lower overall costs for new installations
- Reduced maintenance and replacement of mechanical drive train components
- Reduced starting current reduces electrical power costs by reducing peak demand
Soft Starter Selection / Sizing- Our SR44 Sizing Chart contains 3 easy steps to properly size your soft starter based on horsepower, voltage, and starting class
|
| ![]() |
|