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
ï‚· AC and DC operation
The contactors are
dimensioned for
operation on a
vertical mounting
plane.
rrr
Vertical mounting
position:
ï‚· AC and DC operation
Special version required, also applies for coupling
relays 3RT20.-.K40.
ï‚· Basic device
10 million
ï‚· Basic device
with snap-on
auxiliary switch
block
10 million
Mechanical durability
ï‚· 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
ï‚· 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.
ï‚· Operation
°C -25 … + 60 Permissible ambient
temperature
ï‚· Storage
°C -55 … + 80