SLU-0201 Phase Monitor Relays 3-Phase Monitors provide cost-effective protection against premature equipment failure caused by voltage faults on 3-Phase systems Wye or Delta. The SLU-0201 Series multi-mode phase monitoring relay, was designed for the convenience of electrician’s, maintenance managers and engineers. This device can be easily adjusted for the voltage, imbalance percentage and time delay requirements to protect against unbalanced voltages or single phasing regardless of any regenerative voltages.Both DELTA and WYE systems may be monitored. In Wye systems, connections to neutral are NOT required. The SLU-0201 Series is UL Listed under UL File Number E55826.NOTE: Can be used for most generator applications. Not recommended for variable frequency drive applications. Call technical support for application assistance.
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