The PSR softstarter is the most compact of all the softstarter ranges, which allows for the design of compact starting equipment. A PSR together with a manual motor starter makes up a far more compact starting solution than a star-delta starter, and with the built-in bypass, the energy losses inside the softstarter are highly reduced. The PSR reduces the starting current for the motor. The possibility of connecting it to the manual motor starter makes it possible to build a compact and complete starting solution with overload and short-circuit protection.
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Toggle navigation. The compact PSR range makes it possible to fit many devices into the same enclosure. Naturally, all sizes can be screw mounted. Few settings The setup of the PSR is easily done and confirmed using the three clearly marked potentiometers on the front.
Built-in by-pass for energy saving The built-in by-pass on all sizes does not only save energy; it will also ensure the most compact ABB's softstarter design and reduce the installation time. Thanks to the reduced heat generation, the softstarter can be mounted inside high IP class enclosures.
Suitable for stopping pumps Even without using torque control, the PSR range is designed to reduce water hammering. See the stop ramp with step-down voltage below.
System concept with manual motor starters All PSR softstarter sizes can easily be connected to the corresponding manual motor starters from ABB by using the special designed connection kits. This makes both the mounting and the connection easier and will provide a very compact starting solution containing short circuit and thermal protection, isolation function and soft starter - everything that you need.
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