product brand name	SIRIUS
product designation	Power contactor
product type designation	3RT2
General technical data
size of contactor	S0
product extension
● function module for communication	No
● auxiliary switch	Yes
power loss [W] for rated value of the current
● at AC in hot operating state	1.8 W
● at AC in hot operating state per pole	0.6 W
● without load current share typical	5.9 W
type of calculation of power loss depending on pole	quadratic
insulation voltage
● of main circuit with degree of pollution 3 rated value	690 V
● of auxiliary circuit with degree of pollution 3 rated value	690 V
surge voltage resistance
● of main circuit rated value	6 kV
● of auxiliary circuit 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 DC	10g / 5 ms, 7,5g / 10 ms
shock resistance with sine pulse
● at DC	15g / 5 ms, 10g / 10 ms
mechanical service life (operating cycles)
● of contactor typical	10 000 000
● of the contactor with added electronically optimized auxiliary switch block typical	5 000 000
● of the contactor with added auxiliary switch block typical	10 000 000
reference code according to IEC 81346-2	Q
Substance Prohibitance (Date)	10/01/2009
Weight	0.597 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
relative humidity minimum	10 %
relative humidity at 55 °C according to IEC 60068-2-30 maximum	95 %
Environmental footprint
Environmental Product Declaration(EPD)	Yes
global warming potential [CO2 eq] total	221 kg
global warming potential [CO2 eq] during manufacturing	2.65 kg
global warming potential [CO2 eq] during operation	219 kg
global warming potential [CO2 eq] after end of life	-0.639 kg
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	690 V
● at AC-3e rated value maximum	690 V
operational current
● at AC-1 at 400 V at ambient temperature 40 °C rated value	40 A
● 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-3
— at 400 V rated value	17 A
— at 500 V rated value	17 A
— at 690 V rated value	13 A
● at AC-3e
— at 400 V rated value	17 A
— at 500 V rated value	17 A
— at 690 V rated value	13 A
● at AC-4 at 400 V rated value	15.5 A
● at AC-5a up to 690 V rated value	35.2 A
● at AC-5b up to 400 V rated value	14.1 A
● at AC-6a
— up to 230 V for current peak value n=20 rated value	11.4 A
— up to 400 V for current peak value n=20 rated value	11.4 A
— up to 500 V for current peak value n=20 rated value	11.4 A
— up to 690 V for current peak value n=20 rated value	11.3 A
● at AC-6a
— up to 230 V for current peak value n=30 rated value	7.6 A
— up to 400 V for current peak value n=30 rated value	7.6 A
— up to 500 V for current peak value n=30 rated value	7.6 A
— up to 690 V for current peak value n=30 rated value	7.6 A
minimum cross-section in main circuit at maximum AC-1 rated value	10 mm²
operational current for approx. 200000 operating cycles at AC-4
● at 400 V rated value	7.7 A
● at 690 V rated value	7.7 A
operational current
● at 1 current path at DC-1
— at 24 V rated value	35 A
— at 60 V rated value	20 A
— at 110 V rated value	4.5 A
— at 220 V rated value	1 A
— at 440 V rated value	0.4 A
— at 600 V rated value	0.25 A
● with 2 current paths in series at DC-1
— at 24 V rated value	35 A
— at 60 V rated value	35 A
— at 110 V rated value	35 A
— at 220 V rated value	5 A
— at 440 V rated value	1 A
— at 600 V rated value	0.8 A
● with 3 current paths in series at DC-1
— at 24 V rated value	35 A
— at 60 V rated value	35 A
— at 110 V rated value	35 A
— at 220 V rated value	35 A
— at 440 V rated value	2.9 A
— at 600 V rated value	1.4 A
● at 1 current path at DC-3 at DC-5
— at 24 V rated value	20 A
— at 60 V rated value	5 A
— at 110 V rated value	2.5 A
— at 220 V rated value	1 A
— at 440 V rated value	0.09 A
— at 600 V rated value	0.06 A
● with 2 current paths in series at DC-3 at DC-5
— at 24 V rated value	35 A
— at 60 V rated value	35 A
— at 110 V rated value	15 A
— at 220 V rated value	3 A
— at 440 V rated value	0.27 A
— at 600 V rated value	0.16 A
● with 3 current paths in series at DC-3 at DC-5
— at 24 V rated value	35 A
— at 60 V rated value	35 A
— at 110 V rated value	35 A
— at 220 V rated value	10 A
— at 440 V rated value	0.6 A
— at 600 V rated value	0.6 A
operating power
● at AC-3
— at 230 V rated value	4 kW
— at 400 V rated value	7.5 kW
— at 500 V rated value	7.5 kW
— at 690 V rated value	11 kW
● at AC-3e
— at 230 V rated value	4 kW
— at 400 V rated value	7.5 kW
— at 500 V rated value	7.5 kW
— at 690 V rated value	11 kW
operating power for approx. 200000 operating cycles at AC- 4
● at 400 V rated value	3.5 kW
● at 690 V rated value	6 kW
operating apparent power at AC-6a
● up to 230 V for current peak value n=20 rated value	4.5 kVA
● up to 400 V for current peak value n=20 rated value	7.8 kVA
● up to 500 V for current peak value n=20 rated value	9.9 kVA
● up to 690 V for current peak value n=20 rated value	13.6 kVA
operating apparent power at AC-6a
● up to 230 V for current peak value n=30 rated value	3 kVA
● up to 400 V for current peak value n=30 rated value	5.2 kVA
● up to 500 V for current peak value n=30 rated value	6.6 kVA
● up to 690 V for current peak value n=30 rated value	9.1 kVA
short-time withstand current in cold operating state up to 40 °C
● limited to 1 s switching at zero current maximum	225 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 5 s switching at zero current maximum	225 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 10 s switching at zero current maximum	189 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 30 s switching at zero current maximum	140 A; Use minimum cross-section acc. to AC-1 rated value
● limited to 60 s switching at zero current maximum	115 A; Use minimum cross-section acc. to AC-1 rated value
no-load switching frequency
● at DC	1 500 1/h
operating frequency
● at AC-1 maximum	1 000 1/h
● at AC-2 maximum	1 000 1/h
● at AC-3 maximum	1 000 1/h
● at AC-3e maximum	1 000 1/h
● at AC-4 maximum	300 1/h
Control circuit/ Control
type of voltage of the control supply voltage	DC
control supply voltage at DC rated value	24 V
operating range factor control supply voltage rated value of magnet coil at DC
● initial value	0.8
● full-scale value	1.1
closing power of magnet coil at DC	5.9 W
holding power of magnet coil at DC	5.9 W
closing delay
● at DC	50 … 170 ms
opening delay
● at DC	15 … 18 ms
arcing time	10 … 10 ms
control version of the switch operating mechanism	Standard A1 – A2
Auxiliary circuit
number of NC contacts for auxiliary contacts instantaneous contact	1
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 500 V rated value	2 A
● at 690 V rated value	1 A
operational current at DC-12
● at 24 V rated value	10 A
● at 48 V rated value	6 A
● at 60 V rated value	6 A
● at 110 V rated value	3 A
● at 125 V rated value	2 A
● at 220 V rated value	1 A
● at 600 V rated value	0.15 A
operational current at DC-13
● at 24 V rated value	10 A
● at 48 V rated value	2 A
● at 60 V rated value	2 A
● at 110 V rated value	1 A
● at 125 V rated value	0.9 A
● at 220 V rated value	0.3 A
● at 600 V rated value	0.1 A
contact reliability of auxiliary contacts	1 faulty switching per 100 million (17 V, 1 mA)
UL/CSA ratings
full-load current (FLA) for 3-phase AC motor
● at 480 V rated value	14 A
● at 600 V rated value	17 A
yielded mechanical performance [hp]
● for single-phase AC motor
— at 110/120 V rated value	1 hp
— at 230 V rated value	3 hp
● for 3-phase AC motor
— at 200/208 V rated value	3 hp
— at 220/230 V rated value	5 hp
— at 460/480 V rated value	10 hp
— at 575/600 V rated value	15 hp
contact rating of auxiliary contacts according to UL	A600 / P600
Short-circuit protection
design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 V	C characteristic: 10 A; 0.4 kA
design of the fuse link
● for short-circuit protection of the main circuit
— with type of coordination 1 required	gG: 63A (690V,100kA), aM: 32A (690V,100kA), BS88: 63A (415V,80kA)
— with type of assignment 2 required	gG: 25A (690V,100kA), aM: 20A (690V,100kA), BS88: 25A (415V,80kA)
● for short-circuit protection of the auxiliary switch required	gG: 10 A (500 V, 1 kA)
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 60715
height	85 mm
width	45 mm
depth	107 mm
required spacing
● with side-by-side mounting
— forwards	10 mm
— upwards	10 mm
— downwards	10 mm
— at the side	0 mm
● for grounded parts
— forwards	10 mm
— upwards	10 mm
— at the side	6 mm
— downwards	10 mm
● for live parts
— forwards	10 mm
— upwards	10 mm
— downwards	10 mm
— at the side	6 mm
Connections/ Terminals
type of electrical connection
● for main current circuit	screw-type terminals
● for auxiliary and control circuit	screw-type terminals
● at contactor for auxiliary contacts	Screw-type terminals
● of magnet coil	Screw-type terminals
type of connectable conductor cross-sections
● for main contacts
— solid	2x (1 … 2.5 mm²), 2x (2.5 … 10 mm²)
— solid or stranded	2x (1 … 2.5 mm²), 2x (2.5 … 10 mm²)
— finely stranded with core end processing	2x (1 … 2.5 mm²), 2x (2.5 … 6 mm²), 1x 10 mm²
● for AWG cables for main contacts	2x (16 … 12), 2x (14 … 8)
connectable conductor cross-section for main contacts
● solid	1 … 10 mm²
● stranded	1 … 10 mm²
● finely stranded with core end processing	1 … 10 mm²
connectable conductor cross-section for auxiliary contacts
● solid or stranded	0.5 … 2.5 mm²
● finely stranded with core end processing	0.5 … 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)
— 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)
AWG number as coded connectable conductor cross section
● for main contacts	16 … 8
● for auxiliary contacts	20 … 14
Safety related data
product function
● mirror contact according to IEC 60947-4-1	Yes
● positively driven operation according to IEC 60947-5-1	No
● suitable for safety function	Yes
suitability for use safety-related switching OFF	Yes
service life maximum	20 a
test wear-related service life necessary	Yes
proportion of dangerous failures
● with low demand rate according to SN 31920	40 %
● with high demand rate according to SN 31920	73 %
B10 value with high demand rate according to SN 31920	1 000 000
failure rate [FIT] with low demand rate according to SN 31920	100 FIT
ISO 13849
device type according to ISO 13849-1	3
overdimensioning according to ISO 13849-2 necessary	Yes
IEC 61508
safety device type according to IEC 61508-2	Type A
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