Name: Siemens 3RT6018-1AN21
Brand: Siemens
SKU: 3RT6018-1AN21

SIEMENS · SIRIUS 3RT6018

Contactor AC 220 V 50/60 HZ AC3 7.5 kW 400 V AUX contacts 1 NO 3-pole, size S00 screw terminal

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Технические характеристики 3RT6018-1AN21

Технические данные Siemens 3RT6018-1AN21
Параметр	Значение
	Contactor AC 220 V 50/60 HZ AC3 7.5 kW 400 V AUX contacts 1 NO 3-pole, size S00 screw terminal
Сведения об изделии
product brand name	SIRIUS
product designation	Power contactor
product type designation	3RT6
General technical data
size of contactor	S00
product extension auxiliary switch	Yes
power loss [W] for rated value of the current
at AC in hot operating state per pole	2.2 W
without load current share typical	1.42 W
type of calculation of power loss current-dependent	quadratic
insulation voltage rated value	690 V
degree of pollution	3
surge voltage resistance rated value	6 kV
maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1	400 V
shock resistance at rectangular impulse
at AC	7,3 g / 5 ms, 4,7 g / 10 ms
shock resistance with sine pulse
at AC	11,4 g / 5 ms, 7,3 g / 10 ms
mechanical service life (operating cycles)
of contactor typical	30 000 000
of the contactor with added auxiliary switch block typical	10 000 000
Substance Prohibitance (Date)	05/01/2012
Net Weight	0.24 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	690 V
at AC-3e rated value maximum	690 V
operational current
at AC-1 up to 690 V
at ambient temperature 40 °C rated value	22 A
at ambient temperature 60 °C rated value	20 A
at AC-3
at 400 V rated value	16 A
at 690 V rated value	8.9 A
at AC-3e
at 400 V rated value	16 A
at 690 V rated value	8.9 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
operational current for approx. 200000 operating cycles at AC-4
at 400 V rated value	5.5 A
at 690 V rated value	4.4 A
operating power
at AC-1
at 230 V rated value	7.5 kW
at 230 V at 60 °C rated value	7.5 kW
at 400 V at 60 °C rated value	13 kW
at 690 V at 60 °C rated value	22 kW
at AC-3
at 230 V rated value	4 kW
at 400 V rated value	7.5 kW
at 690 V rated value	7.5 kW
at AC-3e
at 230 V rated value	4 kW
at 400 V rated value	7.5 kW
at 690 V rated value	7.5 kW
operating power for approx. 200000 operating cycles at AC-4
at 400 V rated value	2.5 kW
at 690 V rated value	3.5 kW
no-load switching frequency
at AC	10 000 1/h
operating frequency
at AC-1 maximum	1 000 1/h
at AC-3 maximum	750 1/h
at AC-3e maximum	750 1/h
at AC-4 maximum	250 1/h
Control circuit/ Control
type of voltage of the control supply voltage	AC
control supply voltage at AC
at 50 Hz rated value	220 V
at 60 Hz rated value	220 V
operating range factor control supply voltage rated value of magnet coil at AC
at 50 Hz	0.8 ... 1.1
at 60 Hz	0.85 ... 1.1
apparent pick-up power of magnet coil at AC
at 50 Hz	37 VA
at 60 Hz	43 VA
inductive power factor with closing power of the coil
at 50 Hz	0.8
at 60 Hz	0.8
apparent holding power of magnet coil at AC
at 50 Hz	5.7 VA
at 60 Hz	6.5 VA
inductive power factor with the holding power of the coil
at 50 Hz	0.25
at 60 Hz	0.25
Auxiliary circuit
number of NC contacts for auxiliary contacts instantaneous contact	0
number of NO contacts for auxiliary contacts instantaneous contact	1
operational current at AC-12 maximum	10 A
operational current at AC-15
at 230 V rated value	10 A
at 400 V rated value	3 A
at 690 V rated value	1 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
contact reliability of auxiliary contacts	1 faulty switching per 100 million (17 V, 1 mA)
UL/CSA ratings
yielded mechanical performance [hp] for 3-phase AC motor at 460/480 V rated value	10 hp
Short-circuit protection
design of the fuse link
for short-circuit protection of the main circuit
with type of coordination 1 required	gL/gG LV HRC 3NA, DIAZED 5SB, NEOZED 5SE: 35 A
with type of coordination 2 required	gL/gG LV HRC 3NA, DIAZED 5SB, NEOZED 5SE: 20 A
for short-circuit protection of the auxiliary switch required	fuse gL/gG: 10 A
Installation/ mounting/ dimensions
mounting position	+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface
fastening method side-by-side mounting	Yes
fastening method	screw and snap-on mounting onto 35 mm DIN rail according to DIN EN 50022
height	57.5 mm
width	45 mm
depth	73 mm
required spacing
with side-by-side mounting
at the side	0 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 main contacts
solid or stranded	2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²), 2x 4 mm²
finely stranded with core end processing	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
type of connectable conductor cross-sections
for auxiliary contacts
solid or stranded	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²
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), 2x 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	IP20
touch protection on the front according to IEC 60529	finger-safe, for vertical contact from the front
Further information
last modified:	4/4/2026
Date 4/8/2026	Subject to change without notice © Copyright Siemens 2026