Siemens SIRIUS 3RH Series, System Manual

Page: 243 / 786

SIRIUS 3RT2 contactors/contactor assemblies
2.8 Technical data
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
243
2.8.1.7 General data and short-circuit protection for 3RT202. contactors without overload relay
Table 2- 84 General data - 3RT202. contactors
Type 3RT2023 3RT2024 3RT2025 3RT2026 3RT2027 3RT2028
Size S0 S0 S0 S0 S0 S0
General data
Permissible
mounting position

AC and DC operation
The contactors are
dimensioned for
operation on a
vertical mounting
plane.
r r r
Vertical mounting
position:
 AC and DC operation
Special version required, also applies for coupling
relays 3RT20.-.K40.

Basic device
10 million

Basic device
with snap-on
auxiliary switch
block
10 million
Mechanical durability
 Solid-state
compatible
auxiliary switch
block
Opera-
ting
cycles
5 million
Electrical durability
1)
Rated insulation voltage U
i
(pollution
degree 3)
V 690
Rated impulse withstand voltage U
imp
kW 6
Protective separation between coil and
main contacts (acc. to DIN EN 60947-1,
Annex N)
V 400
Mirror contacts

A mirror contact is an auxiliary NC contact that
cannot be closed simultaneously with a main
NO contact.
- 3RT20 2., 3RT23 2. (removable
auxiliary switch block)
Yes, in accordance with DIN EN 60947-4-1, Annex F.
- 3RT20 2., 3RT23 2. (permanently
mounted auxiliary switch block)
Yes, in accordance with DIN EN 60947-4-1, Annex F.

Operation °C
-25 … + 60 Permissible ambient
temperature

Storage
°C -55 … + 80