3RA2337-8XB30-1AL2
REVERSING COMB., 30KW, 230VAC 50/60 HZ

From SIEMENS

Reversing contactor assembly AC-3,30 kW/400 V,AC230V 50/60Hz 3-pole, Size S2 screw terminal electrical and mechanical Interlock 2 NO integrated
Product brand nameSIRIUS
Product designationReversing contactor assembly
Product type designation3RA23
Manufacturer's article number
1 of the supplied contactor
2 of the supplied contactor
of the supplied RS assembly kit
General technical data
Size of contactorS2
Product extension
Auxiliary switchYes
Insulation voltage
with degree of pollution 3 rated value690 V
Degree of pollution3
Surge voltage resistance rated value6 kV
Protection class IP
on the frontIP20
Shock resistance at rectangular impulse
at AC11.8g / 5 ms, 11.6g / 10 ms
Shock resistance with sine pulse
at AC18.5g / 5 ms, 11.6g / 10 ms
Mechanical service life (switching cycles)
of contactor typical10 000 000
of the contactor with added auxiliary switch block typical10 000 000
Reference code acc. to DIN EN 81346-2Q
Ambient conditions
Installation altitude at height above sea level
maximum2 000 m
Ambient temperature
during operation-25 ... +60 °C
during storage-55 ... +80 °C
Main circuit
Number of poles for main current circuit3
Number of NO contacts for main contacts3
Number of NC contacts for main contacts0
Operating voltage
at AC-3 rated value maximum690 V
Operating current
at AC-1 at 400 V
— at ambient temperature 40 °C rated value80 A
— at ambient temperature 60 °C rated value70 A
at AC-2 at 400 V rated value65 A
at AC-3
— at 400 V rated value65 A
Operating current
at 1 current path at DC-1
— at 24 V rated value55 A
— at 110 V rated value4.5 A
with 2 current paths in series at DC-1
— at 24 V rated value55 A
— at 110 V rated value25 A
with 3 current paths in series at DC-1
— at 24 V rated value55 A
— at 110 V rated value55 A
Operating current
at 1 current path at DC-3 at DC-5
— at 24 V rated value35 A
— at 110 V rated value2.5 A
with 2 current paths in series at DC-3 at DC-5
— at 24 V rated value55 A
— at 110 V rated value25 A
with 3 current paths in series at DC-3 at DC-5
— at 24 V rated value55 A
— at 110 V rated value55 A
Operating power
at AC-2 at 400 V rated value30 kW
at AC-3
— at 400 V rated value30 kW
— at 690 V rated value37 kW
at AC-4 at 400 V rated value30 kW
No-load switching frequency1 500 1/h
Operating frequency
at AC-1 maximum800 1/h
at AC-2 maximum400 1/h
at AC-3 maximum700 1/h
at AC-4 maximum200 1/h
Control circuit/ Control
Type of voltage of the control supply voltageAC
Control supply voltage 1 at AC
at 50 Hz rated value230 V
at 60 Hz rated value230 V
Operating range factor control supply voltage rated value of magnet coil at AC
at 50 Hz0.8 ... 1.1
at 60 Hz0.85 ... 1.1
Apparent pick-up power of magnet coil at AC
at 50 Hz210 V·A
at 60 Hz188 V·A
Inductive power factor with closing power of the coil
at 50 Hz0.69
at 60 Hz0.65
Apparent holding power of magnet coil at AC
at 50 Hz17.2 V·A
at 60 Hz16.5 V·A
Inductive power factor with the holding power of the coil
at 50 Hz0.36
at 60 Hz0.39
Auxiliary circuit
Number of NC contacts for auxiliary contacts
per direction of rotation0
Number of NO contacts for auxiliary contacts
per direction of rotation1
Operating current of auxiliary contacts at AC-12 maximum10 A
Operating current of auxiliary contacts at AC-15
at 230 V6 A
at 400 V3 A
Operating current of auxiliary contacts at DC-13
at 24 V10 A
at 60 V2 A
at 110 V1 A
at 220 V0.3 A
Contact reliability of auxiliary contacts< 1 error per 100 million operating cycles
UL/CSA ratings
Full-load current (FLA) for three-phase AC motor
at 480 V rated value65 A
at 600 V rated value62 A
Yielded mechanical performance [hp]
for single-phase AC motor
— at 110/120 V rated value5 hp
— at 230 V rated value10 hp
for three-phase AC motor
— at 220/230 V rated value20 hp
— at 460/480 V rated value50 hp
— at 575/600 V rated value50 hp
Contact rating of auxiliary contacts according to ULA600 / Q600
Short-circuit protection
Design of the fuse link
for short-circuit protection of the main circuit
— with type of coordination 1 requiredgG NH 3NA, DIAZED 5SB, NEOZED 5SE: 250 A
— with type of assignment 2 requiredgG NH 3NA, DIAZED 5SB, NEOZED 5SE: 125 A
for short-circuit protection of the auxiliary switch requiredfuse 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
Mounting typescrew and snap-on mounting onto 35 mm standard mounting rail
Height141 mm
Width120 mm
Depth130 mm
Required spacing
with side-by-side mounting
— forwards10 mm
— Backwards0 mm
— upwards10 mm
— downwards10 mm
— at the side10 mm
for grounded parts
— forwards10 mm
— Backwards0 mm
— upwards10 mm
— at the side10 mm
— downwards10 mm
for live parts
— forwards10 mm
— Backwards0 mm
— upwards10 mm
— downwards10 mm
— at the side10 mm
Connections/Terminals
Type of electrical connection
for main current circuitscrew-type terminals
for auxiliary and control current circuitscrew-type terminals
Type of connectable conductor cross-sections
for main contacts
— solid2x (1 ... 35 mm²), 1x (1 ... 50 mm²)
— single or multi-stranded2x (1 ... 35 mm²), 1x (1 ... 50 mm²)
— finely stranded with core end processing2x (1 ... 25 mm²), 1x (1 ... 35 mm²)
at AWG conductors for main contacts2x (18 ... 2), 1x (18 ... 1)
Type of connectable conductor cross-sections
for auxiliary contacts
— single or multi-stranded2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²)
— finely stranded with core end processing2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
at AWG conductors for auxiliary contacts2x (20 ... 16), 2x (18 ... 14)
Safety related data
B10 value
with high demand rate acc. to SN 319201 000 000
Proportion of dangerous failures
with low demand rate acc. to SN 3192040 %
with high demand rate acc. to SN 3192073 %
Failure rate [FIT]
with low demand rate acc. to SN 31920100 FIT
T1 value for proof test interval or service life acc. to IEC 6150820 y
Communication/ Protocol
Product function Bus communicationNo
Protocol is supported
AS-interface protocolNo
Product function Control circuit interface with IO linkNo

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