Soft Starters
SSW04
WEG SSW04 Soft Starters are built to match the ruggedness and reliability
of WEG motors, providing a complete and cost effective solution.
Full microprocessor based control allows easy adjustment through the
keypad during start-up and complete motor protection. A specific pump
control feature prevents running pumps at no load and eliminates pipeline
water hammer.
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Applications
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Pumps
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Fans
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Blowers
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Compressors
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Conveyors
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Crushers
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Saws
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Grinders
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Escalators
Standard Features
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220–440V and 460–575V, 50/60Hz input power supply
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Duty cycle: 300% of full load current during 20 seconds
every 6 minutes
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Keypad with LED display
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Four programmable isolated digital inputs (24VDC)
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Two programmable relay outputs (1Amp–250V)
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One programmable analog output
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Protective features: Motor overload (TIMP), under and over
current, power supply phase loss, motor phase loss, thyristor fault, phase sequence, soft starter over temperature and
external fault
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Control features: Pump control, acceleration and decelerati-
on independently adjustable ramps, kick start, pedestal voltage, voltage ramp start, constant current start, bypass relay, JOG, DC braking, energy saving, auto-reset and fault
history
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Display readings: Motor Amps (A and %), kW, kVA, PF and
V
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Ambient: 32ºF (0ºC) to 104º F (40ºC), 3300 ft (1000m) alti-
tude, 90% non-condensing humidity
Optional Features
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Remote Keypad
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PC Programming
Software
SOFT STARTERS
WEG Automation - Products and Solutions
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