3RT1034-1BB40-ZX95
CONTACTOR, AC-3 15 KW/400 V,

From SIEMENS

Power contactor, AC-3 32 A, 15 kW / 400 V 24 V DC, 3-pole, Size S2, Screw terminal Reusable packaging Pack = 24 units !!! Phased-out product !!! Successor is SIRIUS 3RT2 Preferred successor type is
Product brand nameSIRIUS
Product designationpower contactor
General technical data
Size of contactorS2
Insulation voltage
rated value690 V
Degree of pollution3
Surge voltage resistance rated value6 kV
maximum permissible voltage for safe isolation
between coil and main contacts acc. to EN 60947-1400 V
Protection class IP
on the frontIP20
of the terminalIP00
Shock resistance at rectangular impulse
at DC10g / 5 ms, 5g / 10 ms
Shock resistance with sine pulse
at DC15g / 5 ms, 8g / 10 ms
Mechanical service life (switching cycles)
of contactor typical10 000 000
of the contactor with added electronics-compatible auxiliary switch block typical5 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
Main circuit
Number of poles for main current circuit3
Number of NO contacts for main contacts3
Number of NC contacts for main contacts0
Operating current
at AC-1 at 400 V
— at ambient temperature 40 °C rated value50 A
at AC-1
— up to 690 V at ambient temperature 40 °C rated value50 A
— up to 690 V at ambient temperature 60 °C rated value45 A
at AC-3
— at 400 V rated value32 A
— at 690 V rated value20 A
at AC-4 at 400 V rated value29 A
Connectable conductor cross-section in main circuit at AC-1
at 60 °C minimum permissible10 mm²
at 40 °C minimum permissible16 mm²
Operating current for approx. 200000 operating cycles at AC-4
at 400 V rated value15.6 A
at 690 V rated value11 A
Operating current
at 1 current path at DC-1
— at 24 V rated value45 A
— at 110 V rated value4.5 A
with 2 current paths in series at DC-1
— at 24 V rated value45 A
— at 110 V rated value25 A
with 3 current paths in series at DC-1
— at 24 V rated value45 A
— at 110 V rated value45 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 value45 A
— at 110 V rated value25 A
with 3 current paths in series at DC-3 at DC-5
— at 24 V rated value45 A
— at 110 V rated value45 A
Operating power
at AC-1
— at 230 V at 60 °C rated value18 kW
— at 400 V rated value31 kW
— at 690 V rated value54 kW
— at 690 V at 60 °C rated value54 kW
at AC-2 at 400 V rated value15 kW
at AC-3
— at 230 V rated value7.5 kW
— at 400 V rated value15 kW
— at 500 V rated value18.5 kW
— at 690 V rated value18.5 kW
Operating power for approx. 200000 operating cycles at AC-4
at 400 V rated value8.2 kW
at 690 V rated value10 kW
Thermal short-time current limited to 10 s320 A
Power loss [W] at AC-3 at 400 V for rated value of the operating current per conductor1.8 W
No-load switching frequency
at DC1 500 1/h
Operating frequency
at AC-1 maximum1 200 1/h
at AC-2 maximum750 1/h
at AC-3 maximum1 000 1/h
at AC-4 maximum250 1/h
Control circuit/ Control
Type of voltage of the control supply voltageDC
Control supply voltage at DC
rated value24 V
Operating range factor control supply voltage rated value of magnet coil at DC
initial value0.8
Full-scale value1.1
Closing power of magnet coil at DC13.3 W
Holding power of magnet coil at DC13.3 W
Closing delay
at DC50 ... 95 ms
Opening delay
at DC20 ... 30 ms
Arcing time10 ... 15 ms
Auxiliary circuit
Number of NC contacts for auxiliary contacts
instantaneous contact0
Number of NO contacts for auxiliary contacts
instantaneous contact0
Operating current at AC-12 maximum10 A
Operating current at AC-15
at 230 V rated value6 A
at 400 V rated value3 A
Operating current at DC-12
at 60 V rated value6 A
at 110 V rated value3 A
at 220 V rated value1 A
Operating current at DC-13
at 24 V rated value10 A
at 60 V rated value2 A
at 110 V rated value1 A
at 220 V rated value0.3 A
Contact reliability of auxiliary contacts1 faulty switching per 100 million (17 V, 1 mA)
UL/CSA ratings
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 requiredfuse gL/gG: 125 A
— with type of assignment 2 requiredfuse gL/gG: 63 A
for short-circuit protection of the auxiliary switch requiredfuse gL/gG: 10 A
Installation/ mounting/ dimensions
(mounting type)screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
Mounting type Side-by-side mountingYes
Height112 mm
Width55 mm
Depth130 mm
Required spacing
for grounded parts
— at the side6 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 (0.75 ... 16 mm²)
— stranded2x (0.75 ... 25 mm²)
— single or multi-stranded2x (0,75 ... 16 mm²)
— finely stranded with core end processing2x (0.75 ... 16 mm²)
— finely stranded without core end processing2x (0.75 ... 16 mm²)
at AWG conductors for main contacts2x (18 ... 2)
Type of connectable conductor cross-sections
for auxiliary contacts
— solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 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), 1x 12

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