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Tired of the endless maintenance costs; when operating extreme loads with standard motor starters? You qualify for an immediate upgrade. ABB has a better idea: Extreme Duty Softstarters. Experience an immediate reduction in your maintenance and equipment downtime costs. Extreme Duty Softstarters reduce downtime in two vital locations: at the starter and in the equipment's drive components, such as belts, chains and bearings. XD Softstarters are designed to handle extreme loads, and eliminate any excessive drive train torque; providing smoother starting and stopping and less downtime.

Finally a better solution for starting motors in applications with extreme loads.

Extreme Duty Softstarters are designed to provide reliable reduced voltage three phase motor starting for critical applications in nearly any commercial or industrial environment. The ABB PST Extreme Series enclosed softstarters provide reliable reduced voltage starting for the typical installations and full voltage starting for heavy load motor starting applications. The XDsoftstarter package provides the best of ABB's combination starters integrated with the PST series softstarter. The use of the ABB PST Series softstarter makes these NEMA 4 rated enclosed motor starters adaptable to a large list of applications. Typical applications include: rock crushers, mixers, fans, conveyors and deep well pumps.

Important Benefits of ABB's Extreme Duty Softstarters:

Softstarter is one size larger than required full load amperes of the motor to get additional starting capacity (Extreme Duty).
• Short Circuit Protection - Using ABB's" World Class" circuit breakers - smaller, higher interrupting capacity
• Redundant Electronic Overloads - Twice the downtime protection
• Emergency Start Bypass - Starts motors long after the others fail
• A Door Interlocked Disconnect Handle - NEMA 4 rated - Padlockable/Defeatable
• Door Mounted ABB Hand-OFF-Auto switch - NEMA 4 rated
• Three Vibration Resistant, Pilot Lights - Long life LED type
• A UL 508A Label
• Suitable for Service Entrance 3 Wire
• NEMA 4 Rated Enclosure
• Larger horsepower units include a floor mounting kit

Designed for 700% overcurrent - Reliability in Extreme Load Applications

Designed for heavy-duty use and performance, the ABB PST is optimized for extreme duty. Most softstarters offer voltage ramp starting. The PST Series provides more through closed loop current control. Voltage ramping plus closed loop current control allows reliable starting even when the input power is weak.

Frequent Brownouts - Weak power supply? Extreme Duty Softstarters are the answer

All AF contactors feature a wide voltage range electronic coil. In addition to extremely low pull-in and holding power requirement, the low, 55%, dropout voltage prevents damaging chattering and insures consistent operation in locations where the power quality is poor and brownouts are common.

Download a Free copy of the Extreme Softstarters Catalog