Datasheet Content
Data sheet 3RT1055-6AB36-3PA0
Power contactor, AC-3 150 A, 75 kW / 400 V AC (50-60 Hz) / DC
operation 23-26 V UC Auxiliary contacts 2 NO + 2 NC lateral, captive
3-pole, Size S6 Busbar connections for SUVA applications
Product brand name SIRIUS
Product designation Power contactor
Product type designation 3RT1
General technical data
Size of contactor S6
Product extension
● function module for communication No
● Auxiliary switch Yes
Surge voltage resistance
● of main circuit rated value 8 kV
● of auxiliary circuit rated value 6 kV
maximum permissible voltage for safe isolation
● between coil and main contacts acc. to EN 690 V
60947-1
Protection class IP
● on the front IP00; IP20 on the front with cover / box terminal
● of the terminal IP00
Shock resistance at rectangular impulse
● at AC 8,5g / 5 ms, 4,2g / 10 ms
3RT1055-6AB36-3PA0 Subject to change without notice
Page 1/11 03/21/2019 © Copyright Siemens
● at DC 8,5g / 5 ms, 4,2g / 10 ms
Shock resistance with sine pulse
● at AC 13,4g / 5 ms, 6,5g / 10 ms
● at DC 13,4g / 5 ms, 6,5g / 10 ms
Mechanical service life (switching cycles)
● of contactor typical 10 000 000
● of the contactor with added electronics- 5 000 000
compatible auxiliary switch block typical
● of the contactor with added auxiliary switch 10 000 000
block typical
Reference code acc. to DIN 40719 extended K
according to IEC 204-2 acc. to IEC 750
Reference code acc. to DIN EN 81346-2 Q
Ambient conditions
Installation altitude at height above sea level
● maximum 2 000 m
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 1 000 V
Operating current
● at AC-1 at 400 V
— at ambient temperature 40 °C rated value 185 A
● at AC-1
— up to 690 V at ambient temperature 40 °C 185 A
rated value
— up to 690 V at ambient temperature 60 °C 160 A
rated value
— up to 1000 V at ambient temperature 40 °C 90 A
rated value
— up to 1000 V at ambient temperature 60 °C 90 A
rated value
● at AC-2 at 400 V rated value 150 A
● at AC-3
— at 400 V rated value 150 A
— at 500 V rated value 150 A
— at 690 V rated value 150 A
— at 1000 V rated value 65 A
● at AC-4 at 400 V rated value 132 A
● at AC-5a up to 690 V rated value 162 A
● at AC-5b up to 400 V rated value 124 A
3RT1055-6AB36-3PA0 Subject to change without notice
Page 2/11 03/21/2019 © Copyright Siemens
● at AC-6a
— up to 230 V at current peak n=20 rated 148 A
value
— up to 400 V at current peak n=20 rated 148 A
value
— up to 500 V at current peak n=20 rated 148 A
value
— up to 690 V at current peak n=20 rated 148 A
value
— up to 1000 V at current peak n=20 rated 57 A
value
● at AC-6a
— up to 230 V at current peak n=30 rated 99 A
value
— up to 400 V at current peak n=30 rated 99 A
value
— up to 500 V at current peak n=30 rated 99 A
value
— up to 690 V at current peak n=30 rated 99 A
value
— up to 1000 V at current peak n=30 rated 57 A
value
Connectable conductor cross-section in main circuit
at AC-1
● at 60 °C minimum permissible 70 mm²
● at 40 °C minimum permissible 95 mm²
Operating current for approx. 200000 operating
cycles at AC-4
● at 400 V rated value 68 A
● at 690 V rated value 57 A
Operating current
● at 1 current path at DC-1
— at 24 V rated value 160 A
— at 110 V rated value 18 A
— at 220 V rated value 3.4 A
— at 440 V rated value 0.8 A
— at 600 V rated value 0.5 A
● with 2 current paths in series at DC-1
— at 24 V rated value 160 A
— at 110 V rated value 160 A
— at 220 V rated value 20 A
— at 440 V rated value 3.2 A
— at 600 V rated value 1.6 A
3RT1055-6AB36-3PA0 Subject to change without notice
Page 3/11 03/21/2019 © Copyright Siemens
● with 3 current paths in series at DC-1
— at 24 V rated value 160 A
— at 110 V rated value 160 A
— at 220 V rated value 160 A
— at 440 V rated value 11.5 A
— at 600 V rated value 4A
Operating current
● at 1 current path at DC-3 at DC-5
— at 24 V rated value 160 A
— at 110 V rated value 2.5 A
— at 220 V rated value 0.6 A
— at 440 V rated value 0.17 A
— at 600 V rated value 0.12 A
● with 2 current paths in series at DC-3 at DC-5
— at 24 V rated value 160 A
— at 110 V rated value 160 A
— at 220 V rated value 2.5 A
— at 440 V rated value 0.65 A
— at 600 V rated value 0.37 A
● with 3 current paths in series at DC-3 at DC-5
— at 24 V rated value 160 A
— at 110 V rated value 160 A
— at 220 V rated value 160 A
— at 440 V rated value 1.4 A
— at 600 V rated value 0.75 A
Operating power
● at AC-1
— at 230 V at 60 °C rated value 60 kW
— at 400 V rated value 105 kW
— at 400 V at 60 °C rated value 105 kW
— at 690 V rated value 181 kW
— at 690 V at 60 °C rated value 181 kW
— at 1000 V at 60 °C rated value 148 kW
● at AC-2 at 400 V rated value 75 kW
● at AC-3
— at 230 V rated value 45 kW
— at 400 V rated value 75 kW
— at 500 V rated value 90 kW
— at 690 V rated value 132 kW
— at 1000 V rated value 90 kW
3RT1055-6AB36-3PA0 Subject to change without notice
Page 4/11 03/21/2019 © Copyright Siemens
Operating power for approx. 200000 operating cycles
at AC-4
● at 400 V rated value 38 kW
● at 690 V rated value 55 kW
Thermal short-time current limited to 10 s 1 300 A
Power loss [W] at AC-3 at 400 V for rated value of 9W
the operating current per conductor
No-load switching frequency
● at AC 2 000 1/h
● at DC 2 000 1/h
Operating frequency
● at AC-1 maximum 800 1/h
● at AC-2 maximum 300 1/h
● at AC-3 maximum 750 1/h
● at AC-4 maximum 130 1/h
Control circuit/ Control
Type of voltage of the control supply voltage AC/DC
Control supply voltage at AC
● at 50 Hz rated value 23 ... 26 V
● at 60 Hz rated value 23 ... 26 V
Control supply voltage at DC
● rated value 23 ... 26 V
Operating range factor control supply voltage rated
value of magnet coil at DC
● initial value 0.8
● Full-scale value 1.1
Operating range factor control supply voltage rated
value of magnet coil at AC
● at 50 Hz 0.8 ... 1.1
● at 60 Hz 0.8 ... 1.1
Design of the surge suppressor with varistor
Apparent pick-up power of magnet coil at AC
● at 50 Hz 300 V·A
Inductive power factor with closing power of the coil
● at 50 Hz 0.9
Apparent holding power of magnet coil at AC
● at 50 Hz 5.8 V·A
Inductive power factor with the holding power of the
coil
● at 50 Hz 0.8
Closing power of magnet coil at DC 360 W
Holding power of magnet coil at DC 5.2 W
Closing delay
3RT1055-6AB36-3PA0 Subject to change without notice
Page 5/11 03/21/2019 © Copyright Siemens
● at AC 20 ... 95 ms
● at DC 20 ... 95 ms
Opening delay
● at AC 40 ... 60 ms
● at DC 40 ... 60 ms
Arcing time 10 ... 15 ms
Control version of the switch operating mechanism Standard A1 - A2
Auxiliary circuit
Number of NC contacts for auxiliary contacts
● instantaneous contact 2
Number of NO contacts for auxiliary contacts
● instantaneous contact 2
Operating current at AC-12 maximum 10 A
Operating current at AC-15
● at…
