MR VACUTAP - Special Models of Protective Relay; Protective Relay with CO Change-Over Contact as Tripping Switch

8 Technical data
Maschinenfabrik Reinhausen GmbH 202078 5788897/03 ENVACUTAP
®
VVS
®
Dielectric strength
AC dielectric strength between all volt-
age-carrying connections and the
grounded parts
2,500 V, 50 Hz, test duration 1 minute
AC dielectric strength between the
opened contacts
2,000 V, 50 Hz, test duration 1 minute
Table17: Dielectric strength
Ambient conditions
Ambient temperature Ta -40°C…+50°C
Oil temperature <130 °C
Air pressure Corresponds to 0 m…4,000 m above
sea level
Table18: Ambient conditions
8.3 Special models of protective relay
8.3.1 Protective relay with CO change-over contact as tripping switch
The protective relay can be supplied with a dry-reed magnetic switch, CO
change-over (variant 3) (see dimensional drawing supplied).
Electrical data for CO change-over dry-reed magnetic switch
Electrical data
DC switching capacity 1.2 W…150 W
AC switching capacity (50 Hz) 1.2 VA…200 VA
Switching voltage AC/DC 24 V…250 V
Switched current AC/DC 4.8 mA…1 A
Table19: Electrical data
Switching capacity (switching load on an off)
Minimum switched current AC/DC (low-
est voltage)
50 mA (at 24 V)
Minimum switched current AC/DC (high-
est voltage)
4.8 mA (at 250 V)
Maximum switched current DC (highest
current)
1.0 A (at 150 V with L/R = 40 ms)
Maximum switched current DC (highest
voltage)
0.6 A (at 250 V with L/R = 40 ms)
Maximum switched current AC (highest
current)
1 A (at 200 V with cos φ = 0.6)