Home / Siemens / SIRIUS 3RT contactors, 3-pole, up to 250 kW / Siemens 3RT2023-1DB40

Siemens

Siemens 3RT2023-1DB40

Power contactor, AC-3e/AC-3, 9 A, 4 kW / 400 V, 3-pole, 24 V DC, with plugged-in varistor

MPN: 3RT2023-1DB40
Category: SIRIUS 3RT contactors, 3-pole, up to 250 kW

Price and lead time confirmed within 1 business day

Request a Quote

12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
Ships via
100% positive eBay feedback

Have spare Siemens parts? We buy surplus →

What is the Siemens 3RT2023-1DB40?

power contactor, AC-3e/AC-3, 9 A, 4 kW / 400 V, 3-pole, 24 V DC, with plugged-in varistor, auxiliary contacts: 1 NO + 1 NC, screw terminal, size: S0

Specifications

General

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
product extension — auxiliary switch	Yes
power loss [W] for rated value of the current — at AC in hot operating state	0.6 W
power loss [W] for rated value of the current — at AC in hot operating state per pole	0.2 W
power loss [W] for rated value of the current — without load current share typical	5.9 W
type of calculation of power loss current-dependent	quadratic
insulation voltage — of main circuit with degree of pollution 3 rated value	690 V
insulation voltage — of auxiliary circuit with degree of pollution 3 rated value	690 V
surge voltage resistance — of main circuit rated value	6 kV
surge voltage resistance — 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	15 g / 5 ms, 10 g / 10 ms
mechanical service life (operating cycles) — of contactor typical	10 000 000
mechanical service life (operating cycles) — of the contactor with added electronically optimized auxiliary switch block typical	5 000 000
mechanical service life (operating cycles) — of the contactor with added auxiliary switch block typical	10 000 000
reference code according to IEC 81346-2	Q
Substance Prohibitance (day/month/year)	10/01/2009
Net Weight	0.619 kg

Ambient conditions

installation altitude at height above sea level maximum	2 000 m
ambient temperature — during operation	-25 ... +60 °C
ambient temperature — during storage	-55 ... +80 °C
relative humidity minimum	10 %
relative humidity at 55 °C according to IEC 60068-2-30 maximum	95 %

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
operating voltage — 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
operational current — at AC-1 — up to 690 V at ambient temperature 40 °C rated value	40 A
operational current — at AC-1 — up to 690 V at ambient temperature 60 °C rated value	35 A
operational current — at AC-3 — at 400 V rated value	9 A
operational current — at AC-3 — at 500 V rated value	9 A
operational current — at AC-3 — at 690 V rated value	9 A
operational current — at AC-3e — at 400 V rated value	9 A
operational current — at AC-3e — at 500 V rated value	9 A
operational current — at AC-3e — at 690 V rated value	9 A
operational current — at AC-4 at 400 V rated value	8.5 A
operational current — at AC-5a up to 690 V rated value	35.2 A
operational current — at AC-5b up to 400 V rated value	7.4 A
operational current — at AC-6a — up to 230 V for current peak value n=20 rated value	11.4 A
operational current — at AC-6a — up to 400 V for current peak value n=20 rated value	11.4 A
operational current — at AC-6a — up to 500 V for current peak value n=20 rated value	9.1 A
operational current — at AC-6a — up to 690 V for current peak value n=20 rated value	9 A
operational current — at AC-6a — up to 230 V for current peak value n=30 rated value	7.6 A
operational current — at AC-6a — up to 400 V for current peak value n=30 rated value	7.6 A
operational current — at AC-6a — up to 500 V for current peak value n=30 rated value	6.1 A
operational current — at AC-6a — up to 690 V for current peak value n=30 rated value	6.1 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	4.1 A
operational current for approx. 200000 operating cycles at AC-4 — at 690 V rated value	3.3 A
operational current — at 1 current path at DC-1 — at 24 V rated value	35 A
operational current — at 1 current path at DC-1 — at 60 V rated value	20 A
operational current — at 1 current path at DC-1 — at 110 V rated value	4.5 A
operational current — at 1 current path at DC-1 — at 220 V rated value	1 A
operational current — at 1 current path at DC-1 — at 440 V rated value	0.4 A
operational current — at 1 current path at DC-1 — at 600 V rated value	0.25 A
operational current — with 2 current paths in series at DC-1 — at 24 V rated value	35 A
operational current — with 2 current paths in series at DC-1 — at 60 V rated value	35 A
operational current — with 2 current paths in series at DC-1 — at 110 V rated value	35 A
operational current — with 2 current paths in series at DC-1 — at 220 V rated value	5 A
operational current — with 2 current paths in series at DC-1 — at 440 V rated value	1 A
operational current — with 2 current paths in series at DC-1 — at 600 V rated value	0.8 A
operational current — with 3 current paths in series at DC-1 — at 24 V rated value	35 A
operational current — with 3 current paths in series at DC-1 — at 60 V rated value	35 A
operational current — with 3 current paths in series at DC-1 — at 110 V rated value	35 A
operational current — with 3 current paths in series at DC-1 — at 220 V rated value	35 A
operational current — with 3 current paths in series at DC-1 — at 440 V rated value	2.9 A
operational current — with 3 current paths in series at DC-1 — at 600 V rated value	1.4 A
operational current — at 1 current path at DC-3 at DC-5 — at 24 V rated value	20 A
operational current — at 1 current path at DC-3 at DC-5 — at 60 V rated value	5 A
operational current — at 1 current path at DC-3 at DC-5 — at 110 V rated value	2.5 A
operational current — at 1 current path at DC-3 at DC-5 — at 220 V rated value	1 A
operational current — at 1 current path at DC-3 at DC-5 — at 440 V rated value	0.09 A
operational current — at 1 current path at DC-3 at DC-5 — at 600 V rated value	0.06 A
operational current — with 2 current paths in series at DC-3 at DC-5 — at 24 V rated value	35 A
operational current — with 2 current paths in series at DC-3 at DC-5 — at 60 V rated value	35 A
operational current — with 2 current paths in series at DC-3 at DC-5 — at 110 V rated value	15 A
operational current — with 2 current paths in series at DC-3 at DC-5 — at 220 V rated value	3 A
operational current — with 2 current paths in series at DC-3 at DC-5 — at 440 V rated value	0.27 A
operational current — with 2 current paths in series at DC-3 at DC-5 — at 600 V rated value	0.16 A
operational current — with 3 current paths in series at DC-3 at DC-5 — at 24 V rated value	35 A
operational current — with 3 current paths in series at DC-3 at DC-5 — at 60 V rated value	35 A
operational current — with 3 current paths in series at DC-3 at DC-5 — at 110 V rated value	35 A
operational current — with 3 current paths in series at DC-3 at DC-5 — at 220 V rated value	10 A
operational current — with 3 current paths in series at DC-3 at DC-5 — at 440 V rated value	0.6 A
operational current — with 3 current paths in series at DC-3 at DC-5 — at 600 V rated value	0.6 A
operating power — at AC-2 at 400 V rated value	4 kW
operating power — at AC-3 — at 230 V rated value	2.2 kW
operating power — at AC-3 — at 400 V rated value	4 kW
operating power — at AC-3 — at 500 V rated value	4 kW
operating power — at AC-3 — at 690 V rated value	7.5 kW
operating power — at AC-3e — at 230 V rated value	2.2 kW
operating power — at AC-3e — at 400 V rated value	4 kW
operating power — at AC-3e — at 500 V rated value	4 kW
operating power — at AC-3e — at 690 V rated value	7.5 kW
operating power for approx. 200000 operating cycles at AC-4 — at 400 V rated value	2 kW
operating power for approx. 200000 operating cycles at AC-4 — at 690 V rated value	2.5 kW
operating apparent power at AC-6a — up to 230 V for current peak value n=20 rated value	4.5 kVA
operating apparent power at AC-6a — up to 400 V for current peak value n=20 rated value	7.8 kVA
operating apparent power at AC-6a — up to 500 V for current peak value n=20 rated value	7.8 kVA
operating apparent power at AC-6a — up to 690 V for current peak value n=20 rated value	10.7 kVA
operating apparent power at AC-6a — up to 230 V for current peak value n=30 rated value	3 kVA
operating apparent power at AC-6a — up to 400 V for current peak value n=30 rated value	5.2 kVA
operating apparent power at AC-6a — up to 500 V for current peak value n=30 rated value	5.2 kVA
operating apparent power at AC-6a — up to 690 V for current peak value n=30 rated value	7.2 kVA
short-time withstand current in cold operating state up to 40 °C — limited to 1 s switching at zero current maximum	170 A; Use minimum cross-section acc. to AC-1 rated value
short-time withstand current in cold operating state up to 40 °C — limited to 5 s switching at zero current maximum	170 A; Use minimum cross-section acc. to AC-1 rated value
short-time withstand current in cold operating state up to 40 °C — limited to 10 s switching at zero current maximum	140 A; Use minimum cross-section acc. to AC-1 rated value
short-time withstand current in cold operating state up to 40 °C — limited to 30 s switching at zero current maximum	104 A; Use minimum cross-section acc. to AC-1 rated value
short-time withstand current in cold operating state up to 40 °C — limited to 60 s switching at zero current maximum	88 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
operating frequency — at AC-2 maximum	1 000 1/h
operating frequency — at AC-3 maximum	1 000 1/h
operating frequency — at AC-3e — maximum	1 000 1/h
operating frequency — 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
operating range factor control supply voltage rated value of magnet coil at DC — full-scale value	1.1
design of the surge suppressor	with varistor
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 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	6 A
operational current at AC-15 — at 400 V rated value	3 A
operational current at AC-15 — at 500 V rated value	2 A
operational current at AC-15 — at 690 V rated value	1 A
operational current at DC-12 — at 24 V rated value	10 A
operational current at DC-12 — at 48 V rated value	6 A
operational current at DC-12 — at 60 V rated value	6 A
operational current at DC-12 — at 110 V rated value	3 A
operational current at DC-12 — at 125 V rated value	2 A
operational current at DC-12 — at 220 V rated value	1 A
operational current at DC-12 — at 600 V rated value	0.15 A
operational current at DC-13 — at 24 V rated value	6 A
operational current at DC-13 — at 48 V rated value	2 A
operational current at DC-13 — at 60 V rated value	2 A
operational current at DC-13 — at 110 V rated value	1 A
operational current at DC-13 — at 125 V rated value	0.9 A
operational current at DC-13 — at 220 V rated value	0.3 A
operational current at DC-13 — 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	7.6 A
full-load current (FLA) for 3-phase AC motor — at 600 V rated value	9 A
yielded mechanical performance [hp] — for single-phase AC motor — at 110/120 V rated value	1 hp
yielded mechanical performance [hp] — for single-phase AC motor — at 230 V rated value	1 hp
yielded mechanical performance [hp] — for 3-phase AC motor — at 200/208 V rated value	2 hp
yielded mechanical performance [hp] — for 3-phase AC motor — at 220/230 V rated value	3 hp
yielded mechanical performance [hp] — for 3-phase AC motor — at 460/480 V rated value	5 hp
yielded mechanical performance [hp] — for 3-phase AC motor — at 575/600 V rated value	7.5 hp
contact rating of auxiliary contacts according to UL	A600 / P600
UL File Number (CCN)	E31519 (NLDX, NLDX7)

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: 63 A (690 V, 100 kA), aM: 32 A (690 V, 100 kA), BS88: 63 A (415 V, 80 kA)
design of the fuse link — for short-circuit protection of the main circuit — with type of coordination 2 required	gG: 25 A (690 V, 100 kA), aM: 20 A (690 V, 100 kA), BS88: 25 A (415 V, 80 kA)
design of the fuse link — 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
required spacing — with side-by-side mounting — upwards	10 mm
required spacing — with side-by-side mounting — downwards	10 mm
required spacing — with side-by-side mounting — at the side	0 mm
required spacing — for grounded parts — forwards	10 mm
required spacing — for grounded parts — upwards	10 mm
required spacing — for grounded parts — at the side	6 mm
required spacing — for grounded parts — downwards	10 mm
required spacing — for live parts — forwards	10 mm
required spacing — for live parts — upwards	10 mm
required spacing — for live parts — downwards	10 mm
required spacing — for live parts — at the side	6 mm

Connections/ Terminals

type of electrical connection — for main current circuit	screw-type terminals
type of electrical connection — for auxiliary and control circuit	screw-type terminals
type of electrical connection — at contactor for auxiliary contacts	Screw-type terminals
type of electrical connection — of magnet coil	screw terminal
type of connectable conductor cross-sections — for main contacts — solid	2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)
type of connectable conductor cross-sections — for main contacts — solid or stranded	2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²)
type of connectable conductor cross-sections — for main contacts — finely stranded with core end processing	2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm²
type of connectable conductor cross-sections — for AWG cables for main contacts	2x (16 ... 12), 2x (14 ... 8)
connectable conductor cross-section for main contacts — solid	1 ... 10 mm²
connectable conductor cross-section for main contacts — stranded	1 ... 10 mm²
connectable conductor cross-section for main contacts — finely stranded with core end processing	1 ... 10 mm²
connectable conductor cross-section for auxiliary contacts — solid or stranded	0.5 ... 2.5 mm²
connectable conductor cross-section for auxiliary contacts — 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)
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)
type of connectable conductor cross-sections — 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
AWG number as coded connectable conductor cross section for auxiliary contacts	20 ... 14

Safety related data

product function — mirror contact according to IEC 60947-4-1	Yes
product function — positively driven operation according to IEC 60947-5-1	No
product function — 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 %
proportion of dangerous failures — 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
device type according to ISO 13849-1	3
overdimensioning according to ISO 13849-2 necessary	Yes
safety device type according to IEC 61508-2	Type A
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

Approvals Certificates

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
global warming potential [CO2 eq] / total	221 kg

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

Product data sheet 3RT2023-1DB40PDF

3RT2023-1DB40: frequently asked questions

When can 3RT2023-1DB40 be shipped?

3RT2023-1DB40 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 3RT2023-1DB40 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 3RT2023-1DB40 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 3RT2023-1DB40, subject to availability and destination.