MR VACUTAP - Technical Data for Pressure Monitoring Device

8 Technical data
Maschinenfabrik Reinhausen GmbH 2020 795788897/03 EN VACUTAP
®
VVS
®
Switching capacity (switching load on an off)
Maximum switched current AC (highest
voltage)
0.8 A (at 250 V with cos φ = 0.6)
Switching operations 1,000 cycles
Table20: Switching capacity (switching load on an off)
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
1,150 V, 50 Hz, test duration 1 minute
Table21: Dielectric strength
8.3.2 Protective relay with several dry-reed magnetic switches
The protective relay can be supplied with several independent dry-reed mag-
netic switches. These can be designed as normally open (NO) or normally
closed (NC) contacts and are electrically isolated (see dimensional drawing
supplied).
Electrical data for normally open (NO) and normally closed (NC) dry-reed
magnetic switch
8.4 Technical data for pressure monitoring device
General technical data
Setup Outdoor model
Ambient temperature -40°C…+80°C (mechanical)
Cable gland M25x1.5
Degree of protection IP55 in accordance with IEC 60529 (enclosed de-
vice)
Relay actuation Corrugated tubing with counter-pressure spring
Oil temperature -40°C…+100°C
Weight approx. 1.2kg
Equipment For standard insulating fluids (IEC60296 and
IEC60422)
Sealing material
(oil – air)
VITON
Permitted pressure range
(absolute pressure)
1bar…6bar, vacuum not permitted
Upper switching pressure 3.8 ± 0.2bar (trip pressure)