Siemens SIRIUS 3RF Series User Manual

SIRIUS 3RA21/22 load feeders
6.10 Technical data
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
617
Type 3RA2.1 3RA2.2
Size S00 S0
Number of poles 3 3
General data
Magnet coil power input for contactors
With cold coil and U
s’
50 Hz
3RT2015 ...
16
3RT2017 ...
18
3RT2024 3RT2026 ...
3RT2028
Switch-on power VA 27 / 24.3 37 / 33 65 77
cos φ 0.8 / 0.75 0.82
Holding power VA 4.2 / 3.3 5.7 / 4.4 8.5 9.8
 AC operation
cos φ 0.25 0.28 0.25 0.27
 DC operation
Switch-on power = holding
power
W 4 5.9
Dependent on the rated motor power P of the motor
Switch-on power VA 27 ---
cos φ 0.8 ---
Holding power VA 4.2 ---
 Up to 4 kW
cos φ 0.25 ---
Switch-on power VA 37 ---
cos φ 0.8 ---
Holding power VA 5.7 ---
 5.5 kW to 7.5 kW
cos φ 0.25 ---
Switch-on power VA --- 65
cos φ --- 0.82
Holding power VA --- 8.5
 Up to 5.5 kW
cos φ --- 0.25
Switch-on power VA --- 77
cos φ --- 0.82
Holding power VA --- 9.8
 7.5 kW to 15 kW
cos φ --- 0.25
Magnet coil operating range for contactors 0.8 to 1.1 x U
s
Lower limit at 55 °C 0.8 x U
s
---
At 60°C 0.85 x U
s
---
Motor starter protector durability
 Mechanical durability
Operating cycles 100000
 Electrical durability
Operating cycles 100000
 Maximum switching frequency per hour (motor starts)
1/h 15
Contactor durability
 Mechanical durability
Operating cycles 30 million 10 million
 Electrical durability
Operating cycles See the durability characteristic curves for the
contactors (technical data in chapter titled "Contactors
and contactor assemblies").

Siemens SIRIUS 3RF Series Specifications

General

Brand	Siemens
Model	SIRIUS 3RF Series
Category	Industrial Equipment
Language	English