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The PLS series is a low cost, phase sensitive control that provides an isolated contact closure when the proper A-B-C phase sequence is applied. It protects sensitive three-phase equipment and equipment operators from reverse rotation. This monitor is designed to be compatible with motor overloads or other three-phase equipment protection devices. Protection is ensured for equipment control centers where frequent reconnection or electrical code makes reverse rotation protection essential. Examples include mobile refrigerated containers, construction equipment, hoists, pumps, conveyors, elevators, and escalators.
Operation
The internal relay and LED are energized when the phase sequence is correct. The output relay will not energize if the phases are reversed. Reset is automatic upon correction of the fault.
- Continuous monitoring
- Industry standard 8-pin octal plug connection
- LED indication
- Factory calibrated
- Universal motor compatibility
- Cost-effective protection of three-phase equipment from reverse rotation. Meets reverse rotation protection code requirements
- Eliminates the need for special connectors
- Provides visual indication of relay status
- Easy to install – no field adjustment needed
- Designed to be compatible with motor overloads or other three-phase equipment protection devices
PLS Parts
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Filters
PLS Applications
- Mobile refrigerated containers
- Construction equipment
- Hoists
- Pumps and conveyors
- Elevators and escalators
