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HD Heavy Duty Reduced Voltage Soft Start Starters

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With Full Rated Wired Emergency Bypass


Features:
• Separate start and run overload protection:
• Two programmable overload trip curves allow for the thermal
• capacity required to start the load, while providing more closely
• matched overload protection during the run time.
• Integral bypass contactors are standard on all sizes
• and can soft start most any load.
• Real-time thermal modeling a dynamic thermal register
• continuously calculates motor operating temperature
• even when your motor isn't running.
• PTC thermistor input for use on motors with embedded
• PTC temperature sensors.
• Current imbalance trip and biasing of the thermal register.
• Electronic shear pin trip (overcurrent) with trip delay.
• Phase loss protection bases on current and voltage.
• Equipment ground fault trip and monitoring.
• Load loss trip (under current) with trip delay.
• Pre-start shorted load protection checks for motor lead
• or winding damage.


Power Components:
• 6 SCRs in inverse parallel pairs for full phase angle soft start control
• 1600V PIV rating on all units
• RC snubber for dv/dt protection of each SCR pair


Line Voltage Range:
• 200 to 600 VAC, 3 phase + 10%-15%,  50/60 Hz


Current Ratings:
• 18 to 800A depending on unit selection
• Range of each unit is 50-100% of maximum


AC Supply Voltage:
• User supplied 120VAC + 10%-15% tolerance, 60 Hz
• Optional 240VAC 50 Hz control available


Start / Stop Control Choices:
• 2-wire Run-Stop using dry contacts
• 3-wire Start/Stop with built-in seal in contact
• N.C. Interlock input (dry contact) for remote devices


Ramp Control Choices (4 built-in):
• Voltage Ramp
• Voltage Ramp with Current Limit
• CLT© Closed Loop Torque Ramp (Current Ramp)
• Current Step (current limit only)
• Ramp times adjustable 1-120 seconds
• Current limit adjustable 200-600% of FLA


Kick Start:
• 10-100% starting torque for 0.1-2 seconds

 

 






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HD Heavy Duty Soft Start Starters Brochure
(PDF, 968KB)

Electric Motor Controls
(PDF, 9231KB)

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HP at 230 Volts

HP at 460 Volts

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Dimensions (Inches)

WWEBCDSSRV12-25 15 25 40 37 x 15 x 12
WWEBCDSSRV12-30 15 30 45 37 x 15 x 12
WWEBCDSSRV12-40 20 40 55 37 x 15 x 12
WWEBCDSSRV12-50 25 50 68 37 x 15 x 12
WWEBCDSSRV12-60 30 60 96 37 x 15 x 12
WWEBCDSSRV12-75 40 75 125 37 x 15 x 12
WWEBCDSSRV12-100 50 100 156 48 x 33 x 16
WWEBCDSSRV12-125 60 125 156 48 x 33 x 16
WWEBCDSSRV12-150 75 150 220 48 x 33 x 16
WWEBCDSSRV12-200 100 200 248 48 x 33 x 16
WWEBCDSSRV12-250 125 250 400 48 x 33 x 16
WWEBCDSSRV12-300 150 300 400 48 x 33 x 16
WWEBCDSSRV12-400 200 400 480 48 x 33 x 16
WWEBCDSSRV12-500 250 500 600 48 x 33 x 16
WWEBCDSSRV12-600 300 600 800 92 x 36 x 30
  Results 1 - 15 of 15 1