Name: Siemens 3RT5055-6AP36
Brand: Siemens
SKU: 3RT5055-6AP36

SIEMENS · SIRIUS 3RT5055

Contactor 220 ... 240 V AC/DC AC3 75 kW 400 V AC (50...60 Hz) / DC operation auxiliary contacts 2 NO + 2 NC, 3-pole, size S6 bar connections conventional operating mechan. screw terminal

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Технические характеристики 3RT5055-6AP36

Технические данные Siemens 3RT5055-6AP36
Параметр	Значение
	Contactor 220 ... 240 V AC/DC AC3 75 kW 400 V AC (50...60 Hz) / DC operation auxiliary contacts 2 NO + 2 NC, 3-pole, size S6 bar connections conventional operating mechan. screw terminal
Сведения об изделии
product brand name	SIRIUS
product designation	Power contactor
product type designation	3RT5
General technical data
size of contactor	S6
product extension auxiliary switch	Yes
power loss [W] for rated value of the current
at AC in hot operating state per pole	9 W
without load current share typical	5.2 W
type of calculation of power loss current-dependent	quadratic
insulation voltage rated value	1 000 V
degree of pollution	3
surge voltage resistance rated value	8 kV
maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1	690 V
shock resistance at rectangular impulse
at AC	8,5 g / 5 ms, 4,2 g / 10 ms
at DC	8,5 g / 5 ms, 4,2 g / 10 ms
shock resistance with sine pulse
at AC	13,4 g / 5 ms, 6,5 g / 10 ms
at DC	13,4 g / 5 ms, 6,5 g / 10 ms
mechanical service life (operating cycles)
of contactor typical	10 000 000
of the contactor with added auxiliary switch block typical	10 000 000
Substance Prohibitance (Date)	03/01/2017
SVHC substance name	Lead CAS-No. 7439-92-1
Net Weight	3.31 kg
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	1 000 V
at AC-3e rated value maximum	1 000 V
operational current
at AC-1 up to 690 V
at ambient temperature 40 °C rated value	185 A
at ambient temperature 60 °C rated value	160 A
at AC-3
at 400 V rated value	150 A
at 690 V rated value	150 A
at AC-3e
at 400 V rated value	150 A
at 690 V rated value	150 A
at 1000 V rated value	65 A
connectable conductor cross-section in main circuit at AC-1
at 60 °C minimum permissible	70 mm²
at 40 °C minimum permissible	95 mm²
operational current for approx. 200000 operating cycles at AC-4
at 400 V rated value	68 A
at 690 V rated value	57 A
operating power
at AC-1
at 230 V at 60 °C rated value	60 kW
at 400 V at 60 °C rated value	105 kW
at 690 V at 60 °C rated value	181 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 AC-3e
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
operating power for approx. 200000 operating cycles at AC-4
at 400 V rated value	38 kW
at 690 V rated value	55 kW
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-3 maximum	750 1/h
at AC-3e 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	220 ... 240 V
at 60 Hz rated value	220 ... 240 V
control supply voltage at DC rated value	220 ... 240 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 VA
at 60 Hz	300 VA
inductive power factor with closing power of the coil
at 50 Hz	0.9
at 60 Hz	0.9
apparent holding power of magnet coil at AC
at 50 Hz	5.8 VA
at 60 Hz	5.8 VA
inductive power factor with the holding power of the coil
at 50 Hz	0.8
at 60 Hz	0.8
closing power of magnet coil at DC	360 W
holding power of magnet coil at DC	5.2 W
Auxiliary circuit
number of NC contacts for auxiliary contacts instantaneous contact	2
number of NO contacts for auxiliary contacts instantaneous contact	2
operational current at AC-12 maximum	10 A
operational current at AC-15
at 230 V rated value	6 A
at 400 V rated value	3 A
operational current at DC-12
at 24 V rated value	6 A
at 110 V rated value	3 A
at 220 V rated value	1 A
operational current at DC-13
at 24 V rated value	6 A
at 110 V rated value	1 A
at 220 V rated value	0.3 A
UL/CSA ratings
yielded mechanical performance [hp] for 3-phase AC motor at 460/480 V rated value	125 hp
Short-circuit protection
design of the fuse link
for short-circuit protection of the main circuit
with type of coordination 1 required	fuse gL/gG: 355 A
with type of coordination 2 required	fuse gL/gG: 315 A
for short-circuit protection of the auxiliary switch required	fuse gL/gG: 10 A
Installation/ mounting/ dimensions
mounting position	with vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back
fastening method side-by-side mounting	Yes
fastening method	screw fixing
height	172 mm
width	120 mm
depth	170 mm
Connections/ Terminals
type of electrical connection
for main current circuit	screw-type terminals
for auxiliary and control circuit	screw-type terminals
type of connectable conductor cross-sections
for auxiliary contacts
finely stranded with core end processing	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
for AWG cables for auxiliary contacts	2x (20 ... 16), 2x (18 ... 14), 1x 12
Safety related data
product function mirror contact according to IEC 60947-4-1	Yes
Electrical Safety
protection class IP on the front according to IEC 60529	IP00; IP20 with box terminal/cover
touch protection on the front according to IEC 60529	finger-safe, for vertical contact from the front with box terminal/cover
Further information
last modified:	4/4/2026
Date 4/6/2026	Subject to change without notice © Copyright Siemens 2026