Siemens SIRIUS 3RT2.1 Series System Manual

SIRIUS 3RT2 contactors/contactor assemblies
2.8 Technical data
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
265
Table 2- 103 Main circuit - Current carrying capacity for direct current (3RT251. and 3RT252. contactors)
Type 3RT2516 3RT2517 3RT2518 3RT2526
Size S00 S0
Main circuit - Current carrying capacity for direct current
Utilization category DC-1, switching resistive loads (L/R ≤1 ms)
 Rated operational currents I
e
(at 60 °C)
Up to 24 V A 16 20 20 35
60 V A 16 20 20 20
110 V A 2.1 2.1 2.1 4.5
220 V A 0.8 0.8 0.8 1
- 1 current path
440 V A 0.6 0.6 0.6 0.4
Up to 24 V A 16 20 20 35
60 V A 16 20 20 35
110 V A 12 12 12 35
220 V A 1.6 1.6 1.6 5
- 2 current paths in series
440 V A 0.8 0.8 0.8 1
Utilization category DC-3/DC-5
1)
, shunt-wound and series-wound motors (L/R ≤ 15 ms)
 Rated operational currents I
e
(at 60 °C)
Up to 24 V A 16 20 20 20
60 V A 0.5 0.5 0.5 5
110 V A 0.15 0.15 0.15 2.5
220 V A 0.75 0.75 0.75 1
- 1 current path
440 V A --- --- --- 0.09
Up to 24 V A 16 20 20 35
60 V A 5 5 5 35
110 V A 0.35 0.35 0.35 15
220 V A --- --- --- 3
- 2 current paths in series
440 V A --- --- --- 0.27
1)
For U
S
> 24 V the rated operational currents I
e
for the NC contact current paths are equal to 50% of the values for the
NO contact current paths.

Siemens SIRIUS 3RT2.1 Series Specifications

General

Brand	Siemens
Model	SIRIUS 3RT2.1 Series
Category	Industrial Equipment
Language	English