WEG Electric SSW07 Sales Brochure
1-800-ASK-4WEG www.weg.net
Applications
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Chemical and Petrochemical
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Plastic and Rubber
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Pulp and Paper
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Sugar and Alcohol
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Beverages
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Cement and Mining
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Food and Ration
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Textile
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Metallurgy
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Ceramics
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Glass
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Refrigeration
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Wood
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Sanitation
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Load Transportation
Soft Starters SSW07
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Soft Starters are static starting switches, designed for the acceleration, deceleration and protection
of the three phase, electric induction motor through the control of the voltage applied to the motor.
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The SSW07, with DSP control (Digital Signal Processor), was designed to provide great
performance at motor starts and stops with excellent cost-benefi t relation.
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Easy to set up, it simplifi es start-up activities and daily operation.
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The SSW07 is compact, contributing to optimized space in electric panels.
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The SSW07 incorporates all electric motor protections.
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The SSW07 adapts to customer needs through its easy-to-install optional accessories.
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Thus, a keypad, a communication interface or a motor PTC input can be added to the product.
Standard Features
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Strong reduction on mechanical stresses over the coupling and transmission devices
(gearboxes, pulleys, gears, conveyors, etc.) during the start
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Eliminates mechanical shock
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Increases motor and machine mechanical equipment lifetime due to the elimination of
mechanical shock
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Easy operation, setup, maintenance & installation
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Simple electric installation
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Operates in environments up to 55ºC (without current reduction for all models)
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Integral, electronic motor protection
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Built-in electronic thermal relay
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Avoids the “Water Hammer” in pumps
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Limitation of voltage drop during start
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Universal voltage (220 to 575 Vac)
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Switched type power supply with EMC fi lter for the control electronics (110 to 240 Vac)
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Voltage monitoring of the electronics to back-up l x t values (thermal image)
SSW07 – Programming Features
All programming necessary for starting any type of load is available through trimpots and dip-switch.
Voltage Ramp
Permits smooth acceleration and/or deceleration, through voltage ramps.
Current Limit
Permits to set the current limit during the start, according
to the application requiriments.
Voltage Kick Star t
Enables an initial voltage pulse which, applied to the motor, provides initial
starting torque reinforcement. This is necessary for starting high breakway
torque loads.
Built in By Pass
Built-in by-pass minimizes power losses and heat dissipation in the
thyristors, providing size reduction and contributing to energy saving.
This is available in all models.
Soft Starters
SSW07
SSW07 – IP20 Frame Size 1 and 2, IP00 Frame Size 3
SSW07 – Accessories
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