SIRIUS 3RT2 contactors/contactor assemblies
2.8 Technical data
SIRIUS Innovations
272 System Manual, 01/2011, A8E56203870002-03
Table 2- 112 Contact reliability of 3RH2 contactor relays
Type 3RH2
Size S00
Contact reliability
Contact reliability at 17 V, 1 mA acc. to DIN EN 60947-5-4 Frequency of contact faults < 10-8, i.e. < 1 error per
100 million operating cycles
2.8.4.2 General data, rated data (CSA and UL), and data relating to short-circuit protection for
3RH2. contactor relays
Table 2- 113 General data – 3RH2. contactor relays
Type 3RH21, 3RH22 3R24
Size S00
General data
Basic device
30 million 5 million
Basic device with snap-
on auxiliary switch block
10 million
Mechanical durability
Solid-state compatible
auxiliary switch block
Opera
ting
cycles
5 million
Rated insulation voltage U
i
(pollution degree 3) V 690
Rated impulse withstand voltage U
imp
kV 6
Protective separation between coil and contacts in basic
device acc. to DIN EN 60947-1, Annex N
V 400
Operation
°C -25 … + 60 Permissible ambient
temperature
Storage
°C -55 … + 80
Degree of protection to EN 60947-1, Annex C IP20, drive system IP40
Touch protection acc. to DIN EN 50274 Finger-safe
Shock resistance
g/ms 7.3/5 and 4.7/10
Rectangular pulse
AC operation/DC operation
g/ms > 10/5 and > 5/10
g/ms 11.4/5 and 7.3/10
Sine pulse
AC operation/DC operation
g/ms > 15/5 and > 8/10
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