Three-phase voltage monitoring relay type Gavazzi DPA 01.
For monitoring phase sequences and phase failure in three-phase networks, also recognises regenerated voltage, measurement via its own operating voltage, LED indicators for relay and operating voltage (ON), for mounting on DIN rail; Output: 1 Changer, Operating voltage: 208 to 480 VAC, Measuring range: 177 to 550 VAC, Operating performance: 10 VA/400 VAC, Switching threshold: if the voltage on one or two phases falls below a value of 85 % of the nominal conductor voltage (phase-to-phase) in the mains, Response time: max. 100 ms (Alarm response delay), max. 300 ms (Alarm switch-off delay), Protection class: IP 20, Degree of soiling: 3, Betriebstemperatur: –20 to +60 °C, Authorisations: UL, CSA.
Type: DPA 01 C M44, Voltage monitoring relay