Motor / Pump Protection

At Hartland Southwest, we are specialists in motor and pump protection.   We have worked with motor protection for 20 years.   We can protect AC motors from fractional horsepower up through as large as they come.  Smaller motors typically only require monitoring of voltage.   As motors get larger, monitoring of voltage and current is necessary and, on large motors, monitoring of harmonics and thermals within the motor are useful.     In addition to monitoring the incoming voltage and current to motors/pumps, and if a VFD is driving the motor, some type of protection may be needed depending on the lead length between the VFD and the motor/pump.   This is because the VFD’s output is a Pulse Width Modulated (PWM) sine wave and this type of wave can result in spikes due to reflection on the way to the motor.

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Are you properly protecting your motors from VFD effects – Common Mode and PWM spikes with long lead lengths?

Our Motor / Pump Protection brands:

Line Regen and UPD for VFDs

Bonitron
Bonitron offers accessories that enhance reliability and maximize uptime in drive-driven processes. In business for over 50 years, Bonitron solutions range from Overvoltage braking solutions, such as Braking Transistors, Resistors, and Line Regeneration, to Undervoltage Solutions, such as UPD Uninterruptible Power for Drives. Other solutions include Single and 3-Phase Power Supplies, as well as Portable Capacitor Formers. With thousands of engineered products under our belts and new solutions released regularly, contact us today to learn more.

Line Regeneration

Uninterruptable Power for Drives

Capacitor Formers

VFD Power Supplies

Mangoldt

Filter Circuit Chokes

Mangoldt
Filter circuit chokes protect reactive current compensation systems from overloads caused by interference levels in medium- and low-voltage networks.

MANGOLDT filter circuit chokes are available in low- and medium-voltage single-phase or three-phase iron-core designs for detuned and tuned filter circuits. Depending on requirements and  environmental conditions, we adapt the design to all customer needs, from winding the coils with copper wire, copper or aluminum tape, to temperature monitoring. On request, a type test with heat run according to IEC 60076 under real conditions or a partial discharge test can be carried out.

Our filter circuit chokes also feature PolyGap® construction. This, together with a complex vacuum pressure impregnation process, ensures that noise emissions are minimized.

For use in North America, MANGOLDT filter circuit chokes are also available with the necessary test marks in accordance with UL guidelines.

Filter Circuit Chokes

Motor Disconnect Switches

Walther Werke
Manufacturer of power distribution equipment. Walther Werke’s products include the industry’s broadest range of IEC 60309 type pin-and-sleeve connectors for connecting 3-phase power up to 100 amps. They also make power distribution units to allow power and communications to easily be distributed within a facility/campus or at a remote job site.

Motor Disconnect Switches