| phase failure relays, 3 or 4 wire | | | | | | |
voltage and asymmetry | | | pada
padi
pana
pani | ac 3w
ac 3w
ac 4w
ac 4w | unbalance & balanced under & over voltage
pada with true time delay
pada with test for neutral
pada with test for neutral and true time delay | 100 - 480v
100 - 480v
100 - 480v
100 - 480v |
| incl phase rotation | | | paha
pahi
pama
pami | ac 3w
ac 3w
ac 4w
ac 4w | phase rotation w. 2 relays, unbalance & balanced under & over voltage
paha with true time delay
paha with test for neutral
paha with test for neutral and true time delay | 100 - 480v
100 - 480v
100 - 480v
100 - 480v |
frequency, voltage and asymmetry
incl phase rotation | new
new
new
new | | pafa
paga
pafb
pagb | ac 3w
ac 4w
ac 3w
ac 4w | frequency 50, 60 and 400hz, unbalance & balanced under & over voltage
pafa with test for neutral
pafa with test for phase rotation
pafa with test for phase rotation and neutral | 100 - 480v
100 - 480v
100 - 480v
100 - 480v |