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Siemens

Siemens 3TC7414-0EB

Contactor, DC-3/DC-5, 400 A, 1-pole, 24 V DC, auxiliary contacts: 4 NO + 4 NC, connecting bar

MPN: 3TC7414-0EB
Category: 3TC contactors for switching DC voltage, 1-pole and 2-pole

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What is the Siemens 3TC7414-0EB?

contactor, DC-3/DC-5, 400 A, 1-pole, 24 V DC, auxiliary contacts: 4 NO + 4 NC, connecting bar

Specifications

General

product designation	Contactor
product type designation	3TC

General technical data

size of contactor	12
product extension — function module for communication	No
product extension — auxiliary switch	No
insulation voltage rated value	1 500 V
surge voltage resistance rated value	8 kV
maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1	630 V
mechanical service life (operating cycles) — of contactor typical	30 000 000
mechanical service life (operating cycles) — of the contactor with added auxiliary switch block typical	30 000 000
reference code according to IEC 81346-2	Q
Substance Prohibitance (day/month/year)	03/01/2017
SVHC substance name	Lead CAS-No. 7439-92-1
Net Weight	10.494 kg

Ambient conditions

ambient temperature — during operation	-25 ... +55 °C
ambient temperature — during storage	-50 ... +80 °C
relative humidity minimum	10 %
relative humidity at 55 °C according to IEC 60068-2-30 maximum	95 %

Main circuit

number of poles	1
number of poles for main current circuit	1
number of NO contacts for main contacts	1
number of NC contacts for main contacts	0
type of voltage	DC
operational current — at 1 current path at DC-1 — at 24 V rated value	500 A
operational current — at 1 current path at DC-1 — at 110 V rated value	500 A
operational current — at 1 current path at DC-1 — at 220 V rated value	500 A
operational current — at 1 current path at DC-1 — at 440 V rated value	500 A
operational current — at 1 current path at DC-1 — at 600 V rated value	500 A
operational current — at 1 current path at DC-1 — at 750 V rated value	500 A
operational current — at DC-3 at DC-5 — at 220 V rated value	400 A
operational current — at DC-3 at DC-5 — at 600 V rated value	400 A
operational current — at DC-3 at DC-5 — at 750 V rated value	400 A
operational current — at 1 current path at DC-3 at DC-5 — at 24 V rated value	400 A
operational current — at 1 current path at DC-3 at DC-5 — at 110 V rated value	400 A
operational current — at 1 current path at DC-3 at DC-5 — at 220 V rated value	400 A
operational current — at 1 current path at DC-3 at DC-5 — at 440 V rated value	400 A
operational current — at 1 current path at DC-3 at DC-5 — at 600 V rated value	400 A
operational current — at 1 current path at DC-3 at DC-5 — at 750 V rated value	400 A
operating power — at DC-1 — at 110 V rated value	55 kW
operating power — at DC-1 — at 220 V rated value	110 kW
operating power — at DC-1 — at 440 V rated value	220 kW
operating power — at DC-1 — at 750 V rated value	375 kW
operating power — at DC-3 at DC-5 — at 110 V rated value	35 kW
operating power — at DC-3 at DC-5 — at 220 V rated value	70 kW
operating power — at DC-3 at DC-5 — at 440 V rated value	140 kW
operating power — at DC-3 at DC-5 — at 600 V rated value	200 kW
operating power — at DC-3 at DC-5 — at 750 V rated value	250 kW
operating frequency — at DC-1 maximum	750 1/h
operating frequency — at DC-3 maximum	500 1/h
operating frequency — at DC-5 maximum	500 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 AC — at 50 Hz	0.8 ... 1.2
closing power of magnet coil at DC	46 W
holding power of magnet coil at DC	46 W
closing delay at DC	60 ... 100 ms
opening delay at DC	20 ... 35 ms
arcing time	40 ... 70 ms

Auxiliary circuit

number of NC contacts for auxiliary contacts	4
number of NC contacts for auxiliary contacts — instantaneous contact	4
number of NO contacts for auxiliary contacts	4
number of NO contacts for auxiliary contacts — instantaneous contact	4
number of CO contacts for auxiliary contacts	0
identification number and letter for switching elements	44
operational current at AC-12 maximum	10 A
operational current at AC-15 — at 230 V rated value	5.6 A
operational current at AC-15 — at 400 V rated value	3.6 A
operational current at AC-15 — at 500 V rated value	2.5 A
operational current at DC-12 — at 24 V rated value	10 A
operational current at DC-12 — at 48 V rated value	10 A
operational current at DC-12 — at 60 V rated value	10 A
operational current at DC-12 — at 110 V rated value	3.2 A
operational current at DC-12 — at 125 V rated value	2.5 A
operational current at DC-12 — at 220 V rated value	0.9 A
operational current at DC-12 — at 600 V rated value	0.22 A
operational current at DC-13 — at 24 V rated value	10 A
operational current at DC-13 — at 48 V rated value	5 A
operational current at DC-13 — at 60 V rated value	5 A
operational current at DC-13 — at 110 V rated value	1.14 A
operational current at DC-13 — at 125 V rated value	0.98 A
operational current at DC-13 — at 220 V rated value	0.48 A
operational current at DC-13 — at 600 V rated value	0.07 A

Short-circuit protection

design of the fuse link — for short-circuit protection of the main circuit — with type of coordination 1 required	2 x 3NE1330-4D (315 A) parallel (750 V, 12 kA)
design of the fuse link — for short-circuit protection of the main circuit — with type of coordination 2 required	2 x 3NE1330-4D (315 A) parallel (750 V, 12 kA)
design of the fuse link — for short-circuit protection of the auxiliary switch required	gG: 16 A (500 V, 1 kA)

Installation/ mounting/ dimensions

mounting position	+/-22,5° 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 fixing
height	360 mm
width	78 mm
depth	276 mm
required spacing — with side-by-side mounting — forwards	20 mm
required spacing — with side-by-side mounting — backwards	0 mm
required spacing — with side-by-side mounting — upwards	25 mm
required spacing — with side-by-side mounting — downwards	10 mm
required spacing — with side-by-side mounting — at the side	10 mm
required spacing — for grounded parts — forwards	50 mm
required spacing — for grounded parts — backwards	0 mm
required spacing — for grounded parts — upwards	25 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	50 mm
required spacing — for live parts — backwards	0 mm
required spacing — for live parts — upwards	25 mm
required spacing — for live parts — downwards	10 mm
required spacing — for live parts — at the side	10 mm

Connections/ Terminals

type of electrical connection	screw terminal
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 connectable conductor cross-sections — for auxiliary contacts — solid or stranded	2x (1 ... 2.5 mm²)
type of connectable conductor cross-sections — for auxiliary contacts — finely stranded with core end processing	2x (0.75 ... 1.5 mm²)

Safety related data

product function mirror contact according to IEC 60947-4-1	Yes
protection class IP on the front according to IEC 60529	IP00

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

Product data sheet 3TC7414-0EBPDF

3TC7414-0EB: frequently asked questions

When can 3TC7414-0EB be shipped?

3TC7414-0EB 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 3TC7414-0EB 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 3TC7414-0EB 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 3TC7414-0EB, subject to availability and destination.