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Siemens

Siemens 3RT1374-6AE36

Contactor, AC-1, 500 A/400 V/40 °C, S12, 4-pole, 24-60 V AC, 20-60 V DC, 2 NO+2 NC

MPN: 3RT1374-6AE36
Category: SIRIUS 3RT.3 contactors, 4-pole, up to 525 A

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What is the Siemens 3RT1374-6AE36?

Contactor, AC-1, 500 A/400 V/40 °C, S12, 4-pole, 24-60 V AC, 20-60 V DC, 2 NO+2 NC, Connection rail/ screw terminal

Specifications

General

product brand name	SIRIUS
product designation	Contactor
product type designation	3RT13

General technical data

size of contactor	S12
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	200 W
power loss [W] for rated value of the current — at AC in hot operating state per pole	50 W
power loss [W] for rated value of the current — without load current share typical	3.5 W
type of calculation of power loss current-dependent	quadratic
insulation voltage — of main circuit with degree of pollution 3 rated value	1 000 V
insulation voltage — of the auxiliary and control circuit with degree of pollution 3 rated value	690 V
surge voltage resistance — of main circuit rated value	8 kV
surge voltage resistance — of auxiliary circuit rated value	6 kV
reference code according to IEC 81346-2	Q
Substance Prohibitance (day/month/year)	03/27/2017
Net Weight	6.731 kg

Ambient conditions

installation altitude at height above sea level maximum	2 000 m
ambient temperature — during operation	-40 ... +60 °C
ambient temperature — during storage	-40 ... +70 °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	4
number of NO contacts for main contacts	4
type of voltage for main current circuit	AC
operational current — at AC-1 at 400 V at ambient temperature 40 °C rated value	500 A
operational current — at AC-1 — up to 690 V at ambient temperature 40 °C rated value	500 A
operational current — at AC-1 — up to 690 V at ambient temperature 60 °C rated value	400 A
operational current — at AC-1 — up to 1000 V at ambient temperature 40 °C rated value	375 A
operational current — at AC-1 — up to 1000 V at ambient temperature 60 °C rated value	325 A
operational current — at AC-3 — at 400 V rated value	305 A
minimum cross-section in main circuit at maximum AC-1 rated value	300 mm²
operating power — at AC-3 at 400 V rated value	160 kW
no-load switching frequency — at AC	300 1/h
no-load switching frequency — at DC	300 1/h

Control circuit/ Control

type of voltage	AC
type of voltage of the control supply voltage	AC/DC
control supply voltage at AC — at 50 Hz rated value	24 ... 60 V
control supply voltage at AC — at 60 Hz rated value	24 ... 60 V
control supply voltage at DC rated value	20 ... 60 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
operating range factor control supply voltage rated value of magnet coil at AC — at 50 Hz	0.85 ... 1.1
operating range factor control supply voltage rated value of magnet coil at AC — at 60 Hz	0.85 ... 1.1
design of the surge suppressor	with varistor
apparent pick-up power of magnet coil at AC — at 50 Hz	475 V·A
apparent pick-up power of magnet coil at AC — at 60 Hz	475 V·A
apparent holding power of magnet coil at AC — at 50 Hz	8.5 V·A
apparent holding power of magnet coil at AC — at 60 Hz	8.5 V·A
closing power of magnet coil at DC	400 W
holding power of magnet coil at DC	3.5 W
closing delay — at AC	30 ... 60 ms
closing delay — at DC	30 ... 60 ms
opening delay — at AC	45 ... 80 ms
opening delay — at DC	45 ... 80 ms
control version of the switch operating mechanism	Standard A1 - A2

Auxiliary circuit

number of NC contacts for auxiliary contacts	2
number of NC contacts for auxiliary contacts — attachable	2
number of NC contacts for auxiliary contacts — instantaneous contact	2
number of NO contacts for auxiliary contacts	2
number of NO contacts for auxiliary contacts — attachable	2
number of NO contacts for auxiliary contacts — instantaneous contact	2
operational current at AC-15 — at 230 V rated value	4 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	2 A
operational current at DC-13 — at 24 V rated value	3 A
operational current at DC-13 — at 48 V rated value	1.5 A
operational current at DC-13 — at 110 V rated value	0.55 A
operational current at DC-13 — at 125 V rated value	0.55 A
operational current at DC-13 — at 220 V rated value	0.3 A

UL/CSA ratings

contact rating of auxiliary contacts according to UL

A600 / Q300

Short-circuit protection

design of the fuse link — for short-circuit protection of the main circuit — with type of coordination 2 required	gG: 630 A (500 V, 100 kA)
design of the fuse link — for short-circuit protection of the auxiliary switch required	gG: 10 A (690 V, 1 kA)

Installation/ mounting/ dimensions

mounting position	For vertical mounting surface can be rotated +/-180°, and with 0° rotation can be tilted forward or backward +/- 30°, or standing
fastening method side-by-side mounting	Yes
fastening method	screw fixing
height	225 mm
width	184 mm
depth	180 mm
required spacing — with side-by-side mounting — forwards	20 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	20 mm
required spacing — for grounded parts — upwards	10 mm
required spacing — for grounded parts — at the side	10 mm
required spacing — for grounded parts — downwards	10 mm
required spacing — for live parts — forwards	20 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	10 mm
net weight	6.5 kg

Connections/ Terminals

type of electrical connection — for main current circuit	Connection bar, broadened > 450A required
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
connectable conductor cross-section for auxiliary contacts — solid or stranded	1 ... 4 mm²
connectable conductor cross-section for auxiliary contacts — finely stranded with core end processing	0.75 ... 2.5 mm²
type of connectable conductor cross-sections — for auxiliary contacts — solid	1x (1 ... 4mm²), 2x (1 ... 4mm²)
type of connectable conductor cross-sections — for auxiliary contacts — solid or stranded	1x (1 ... 4mm²), 2x (1 ... 4mm²)
type of connectable conductor cross-sections — for auxiliary contacts — finely stranded with core end processing	1x (0.75 ... 2.5 mm²), 2x (0.75 ... 2.5 mm²)
type of connectable conductor cross-sections — for AWG cables for auxiliary contacts	1x (AWG 18 ... 14), 2x (AWG 18 ... 14)
AWG number as coded connectable conductor cross section for auxiliary contacts	18 ... 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
protection class IP on the front according to IEC 60529	IP00; IP20 with box terminal/cover
touch protection on the front according to IEC 60529	finger-safe, for vertical contact from the front with box terminal/cover

Communication/ Protocol

product function bus communication

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

Product data sheet 3RT1374-6AE36PDF

3RT1374-6AE36: frequently asked questions

When can 3RT1374-6AE36 be shipped?

3RT1374-6AE36 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 3RT1374-6AE36 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 3RT1374-6AE36 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 3RT1374-6AE36, subject to availability and destination.