Datasheet

● acc. to IEC 60068-2-27
6g / 11 ms
Mechanical service life (switching cycles)
● of contactor typical
10000000
Type of assignment 2
Type of protection according to ATEX directive
2014/34/EU
Ex II (2) GD
Certificate of suitability according to ATEX directive
2014/34/EU
DMT 02 ATEX F 001
Protection against electrical shock finger-safe
Ambient conditions
Temperature compensation -20...+60°C
Relative humidity during operation 10...95%
Main circuit
Number of poles for main current circuit 3
Design of the switching contact electromechanical
Adjustable pick-up value current of the current-
dependent overload release
9...12.5A
Operating voltage
● rated value
690V
● at AC-3 rated value maximum
690V
Operating frequency rated value 50...60Hz
Operating current
● at AC-3
— at 400 V rated value
11.5A
Operating power
● at AC-3
— at 400 V rated value
5500W
Control circuit/ Control
Type of voltage of the control supply voltage DC
Control supply voltage at DC
● rated value
24V
Holding power of magnet coil at DC 5.9W
Auxiliary circuit
Product extension Auxiliary switch Yes
Protective and monitoring functions
Trip class CLASS 10
Design of the overload release thermal (bimetallic)
UL/CSA ratings
Full-load current (FLA) for three-phase AC motor
● at 480 V rated value
11A
Yielded mechanical performance [hp]
3RA2120-1KH24-0BB4 Subject to change without notice
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09/11/2019 © Copyright Siemens