Product Description
Benshaw CH-440146-03 open chassis soft starter rated at 720 AMPS with an integral bypass and MX3 technology. This low voltage Benshaw soft starter is rated for 300 H.P. @ 230 volt/600 H.P. @ 460 volt standard duty and runs 350% for 30 seconds and 115% continuous. The included MX3 software package includes multiple starting modes, from voltage ramp, current ramp, torque ramp along with power ramp that offers a wide variety of options for your application. As with any soft starter, motor protection is paramount and the CH-440146-03 offers a motor thermal overload, phase reversal, phase loss, overcurrent and undercurrent along with many other motor protective elements to ensure motor safety. And as with all Benshaw parts, these open chassis starters come with a 3 year warranty on parts for peace of mind that what you have purchased is reliable and will work as intended every time.
| AMP Rating | 720 AMPS |
| Horsepower |
600 H.P. @ 460 volt 300 H.P. @ 230 volt |
| Style | Open Chassis |
| Software | MX3 package |
| Weight | 159 lbs. |
| Dimensions |
31 x 19 x 12 inches Height x Width x Depth |
Benshaw’s next generation MX3 technology propels low voltage motor control to even greater levels of performance and functionality. With its real-time clock, enhanced programming capabilities, ease of use and a unique, flexible architecture—Benshaw’s MX3 controller delivers advanced motor control and protection with all of the rugged, dependable performance you’ve come to expect from a world leader in advanced controls and drives. MX3 controllers, power components, software and sensors are all designed, built and tested to perform as an integrated control system, eliminating the coordination and performance problems inherent in other forms of reduced voltage starting. Benshaw’s next generation MX3 technology will shorten your commissioning times, improve motor performance and protection, enhance diagnostic capability and streamline electrical system monitoring and maintenance tasks. Benshaw’s MX3 control technology provides all MX2 features, plus:
MX3 Control Highlights
• 8 user configurable inputs
• 2 fixed inputs for start and bypass confirm
• 6 user configurable relay outputs
• 1 fixed output for bypass confirm
• Real-time clock
• Motor PTC input
• Zero Sequence Ground Fault
• RTD module support
• Full DC braking with add-on SCR
• Event log (99 events)
• Start per hour limiter
• Back spin timer
• Time between starts limiter
• Zero speed switch input
• Power outage ride through (PORT)
• Power factor trip
• Patented Cyclo™ control
(0-40% speed)
