Data Sheet

Protection class IP
● on the front
IP20
● of the terminal
IP20
Shock resistance at rectangular impulse
● at DC
10g / 5 ms, 7,5g / 10 ms
Shock resistance with sine pulse
● at DC
15g / 5 ms, 10g / 10 ms
Mechanical service life (switching cycles)
● of contactor typical
10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 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 4
Number of NO contacts for main contacts 2
Number of NC contacts for main contacts 2
Operating current
● at AC-1
— up to 690 V at ambient temperature 40 °C
rated value
40A
— up to 690 V at ambient temperature 60 °C
rated value
35A
● at AC-2 at AC-3 at 400 V
— per NO contact rated value
25A
— per NC contact rated value
20A
Minimum cross-section in main circuit
● at maximum AC-1 rated value
10mm²
Operating current
● at 1 current path at DC-1
— at 24 V rated value
35A
— at 110 V rated value
4.5A
— at 220 V rated value
1A
— at 440 V rated value
0.4A
● with 2 current paths in series at DC-1
3RT2526-1BB40 Subject to change without notice
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09/12/2019 © Copyright Siemens