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We have used the phase failure relays manufactured by Taylor for the past 30 years. Currently, use both the Taylor PD and PND phase failure relays in our current style switchboards. See the attachments for the wiring diagrams, specifications, operating instructions etc. Released for: Schneider Electric USA.
Phase-Guard comes in a variety of base models. Provides protection against Phase Loss, Phase Unbalance, Overvoltage, Undervoltage, and Reverse Phase conditions. Upgraded features can be added.
The Phase-Guard is a phase voltage balance monitoring device designed to protect three phase motor equipment from Phase Loss, Reverse Phase, Overvoltage, and Low Voltage (undervoltage) faults.
One Phase-Guard relay can be used to protect equipment in a small plant from single phasing from an outside source. The Phase-Guard incorporates an automatic reset feature that makes it ideal for protecting unattended motors actuated by sensory controls.
conditions are normal and 3 phase power applied master relay connections are 1to 3. When a phase loss occurs master relay will Energize and contacts 1-2 will be closed.
Taylor PNDR-480-3T Phase Guard Phase Failure Relay 3Ph 480V 30A. (No reviews yet) Write a Review. SKU: BZ4234092. Condition: New. Availability: Usually Ships in 3-5 Business Days. Shipping: Calculated at Checkout. Warranty: 1 year replacement Warranty. Details. Returns: 30 Days Money Back Guarantee. Details. $450.00. Quantity: Request a Quote.
The most important feature offered by a solid-state overload relay (SSOLR) is phase loss protection. When a phase loss causes a significant current increase in the remaining phases of the motor circuit, there is a major increase in rotor current that can cause motor damage.
