Datasheet

● at rectangular impulse
— at DC
7.3g / 5 ms, 4.7g / 10 ms
● with sine pulse
— at DC
11,4g / 5 ms, 7,3g / 10 ms
Mechanical service life (switching cycles)
● of contactor typical
30000000
Ambient conditions
Installation altitude at height above sea level
maximum
2000m
Ambient temperature
● during operation
-25...+60°C
● during storage
-55...+80°C
Main circuit
Number of poles for main current circuit 3
Number of NO contacts for main contacts 3
Number of NC contacts for main contacts 0
Operating voltage
● at AC-3 rated value maximum
690V
Operating current
● at AC-1 at 400 V
— at ambient temperature 40 °C rated value
22A
● at AC-1
— up to 690 V at ambient temperature 40 °C
rated value
22A
— up to 690 V at ambient temperature 60 °C
rated value
20A
● at AC-2 at 400 V rated value
12A
● at AC-3
— at 400 V rated value
12A
— at 500 V rated value
9.2A
— at 690 V rated value
6.7A
Connectable conductor cross-section in main circuit
at AC-1
● at 60 °C minimum permissible
2.5mm²
● at 40 °C minimum permissible
4mm²
Operating current for approx. 200000 operating
cycles at AC-4
● at 400 V rated value
4.1A
● at 690 V rated value
3.3A
Operating current
● at 1 current path at DC-1
— at 24 V rated value
20A
3RT2017-2HB42 Subject to change without notice
Page 2/
10
02/01/2017 © Copyright Siemens AG