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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.
Schneider Electric USA. RM35TF30 - Harmony, 3 phase supply control relay, range 220 to 480 VAC, sequence, phase failure, phase imbalance, voltage.
This modular multi function 3-phase supply control relay is ideal for monitoring of electrical values in industrial and building control panels. It applies to a wide type of industrial automation applications such as hoisting, packaging, lifts, textile, water.
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.
Voltage detection threshold < 100 V for phase failure AC Control circuit frequency 50...60 Hz +/- 10 % Output contacts 1 C/O Nominal output current 5 A Measurement voltage limits 183...528 V AC Run-up delay at power-up <= 650 ms Voltage range 183...528 V Response time <= 130 ms in the event of a fault Marking CE
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.
Environment. Immunity to microbreaks. <= 10 ms. Electromagnetic compatibility. Conducted and radiated emissions class B conforming to CISPR 22 Immunity for residential, commercial and light-industrial environments conforming to EN/IEC 61000-6-1 Electrostatic discharge 6 kV level 3 contact discharge conforming to IEC 61000-4-2 Electrostatic ...
