Datasheet

Shock resistance with sine pulse
● at DC
11,4g / 5 ms, 7,3g / 10 ms
Mechanical service life (switching cycles)
● of contactor typical
30000000
● of the contactor with added electronics-
compatible auxiliary switch block typical
5000000
● of the contactor with added auxiliary switch
block typical
10000000
Reference code acc. to DIN 40719 extended
according to IEC 204-2 acc. to IEC 750
K
Reference code acc. to DIN EN 81346-2 Q
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
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
16A
● at AC-3
— at 400 V rated value
16A
— at 500 V rated value
12.4A
— at 690 V rated value
8.9A
● at AC-4 at 400 V rated value
11.5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
3RT2018-2BB42 Subject to change without notice
Page 2/
11
12/20/2018 © Copyright Siemens