> SIEMENS>CONTROL AND CONTACTORS>Contactors for switching motors>3TC7814-0EF SIEMENS Contactor, size 12, 2-pole, DC-3 and 5, 400 A Auxiliary switch 4 NO+4 NC 125 V DC DC ope..
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3TC7814-0EF SIEMENS Contactor, size 12, 2-pole, DC-3 and 5, 400 A Auxiliary switch 4 NO+4 NC 125 V DC DC ope.. View larger
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3TC7814-0EF SIEMENS Contactor, size 12, 2-pole, DC-3 and 5, 400 A Auxiliary switch 4 NO+4 NC 125 V DC DC ope..

3TC7814-0EF

SIEMENS

Contactor, size 12, 2-pole, DC-3 and 5, 400 A Auxiliary switch 4 NO+4 NC 125 V DC DC operation DC operation

SIRIUS Contactor TAMANO 12, 2 poles DC-3 AND 5, 400ASIRIUS AUXILIYL contactors. 44 (4NA+4NC) ACCIONAM. BY DC DC 110V. Manufactured to order. Non-Cancelable Non-Returnable.

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CONTROL AND CONTACTORS > Contactors for switching motors

* Brand new product in its original packaging covered by the warranties and certifications provided by SIEMENS

Total price: $4,476.41
Unit price: $4,476.41

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Technical data

Contactor, size 12, 2-pole, DC-3 and 5, 400 A Auxiliary switch 4 NO+4 NC 125 V DC DC operation DC operation
product designationContactor
product type designation3TC
General technical data
size of contactor12
product extension
● function module for communicationNo
● auxiliary switchNo
insulation voltage rated value1 500 V
surge voltage resistance rated value8 kV
maximum permissible voltage for safe isolation between coil and main contacts according to EN 60947-1630 V
mechanical service life (switching cycles)
● of contactor typical30 000 000
● of the contactor with added auxiliary switch block typical30 000 000
reference code according to IEC 81346-2Q
Substance Prohibitance (Date)03/01/2017
Ambient conditions
ambient temperature
● during operation-25 ... +55 °C
● during storage-50 ... +80 °C
relative humidity minimum10 %
relative humidity at 55 °C according to IEC 60068-2-30 maximum95 %
Main circuit
number of poles2
number of poles for main current circuit2
number of NO contacts for main contacts2
number of NC contacts for main contacts0
type of voltageDC
operational current
● at 1 current path at DC-1
— at 24 V rated value500 A
— at 110 V rated value500 A
— at 220 V rated value500 A
— at 440 V rated value500 A
— at 600 V rated value500 A
— at 750 V rated value500 A
● with 2 current paths in series at DC-1
— at 24 V rated value500 A
— at 110 V rated value500 A
— at 220 V rated value500 A
— at 440 V rated value500 A
— at 600 V rated value500 A
— at 750 V rated value500 A
— at 1500 V rated value500 A
● at 1 current path at DC-3 at DC-5
— at 24 V rated value400 A
— at 110 V rated value400 A
— at 220 V rated value400 A
— at 440 V rated value400 A
— at 600 V rated value400 A
— at 750 V rated value400 A
● with 2 current paths in series at DC-3 at DC-5
— at 24 V rated value400 A
— at 110 V rated value400 A
— at 220 V rated value400 A
— at 440 V rated value400 A
— at 600 V rated value400 A
— at 750 V rated value400 A
— at 1500 V rated value400 A
operating power
● at DC-1
— at 110 V rated value55 kW
— at 220 V rated value110 kW
— at 440 V rated value220 kW
— at 750 V rated value375 kW
— at 1500 V rated value750 kW
● at DC-3 at DC-5
— at 110 V rated value35 kW
— at 220 V rated value70 kW
— at 440 V rated value140 kW
— at 600 V rated value200 kW
— at 750 V rated value250 kW
— at 1200 V rated value400 kW
— at 1500 V rated value500 kW
operating frequency
● at DC-1 maximum1 000 1/h
● at DC-3 maximum500 1/h
● at DC-5 maximum500 1/h
Control circuit/ Control
type of voltage of the control supply voltageDC
control supply voltage at DC
● rated value110 V
operating range factor control supply voltage rated value of magnet coil at AC
● at 50 Hz0.8 ... 1.2
closing power of magnet coil at DC92 W
holding power of magnet coil at DC92 W
closing delay at DC60 ... 100 ms
opening delay at DC20 ... 35 ms
arcing time40 ... 70 ms
Auxiliary circuit
number of NC contacts for auxiliary contacts4
● instantaneous contact4
number of NO contacts for auxiliary contacts4
● instantaneous contact4
number of CO contacts for auxiliary contacts0
identification number and letter for switching elements44
operational current at AC-12 maximum10 A
operational current at AC-15
● at 230 V rated value5.6 A
● at 400 V rated value3.6 A
● at 500 V rated value2.5 A
operational current at DC-12
● at 24 V rated value10 A
● at 48 V rated value10 A
● at 60 V rated value10 A
● at 110 V rated value3.2 A
● at 125 V rated value2.5 A
● at 220 V rated value0.9 A
● at 600 V rated value0.22 A
operational current at DC-13
● at 24 V rated value10 A
● at 48 V rated value5 A
● at 60 V rated value5 A
● at 110 V rated value1.14 A
● at 125 V rated value0.98 A
● at 220 V rated value0.48 A
● at 600 V rated value0.07 A
Short-circuit protection
design of the fuse link
● for short-circuit protection of the main circuit
— with type of coordination 1 required2 x 3NE1330-5E (315 A) parallel (1500 V, 12 kA)
— with type of assignment 2 required2 x 3NE1330-5E (315 A) parallel (1500 V, 12 kA)
● for short-circuit protection of the auxiliary switch requiredgG: 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; standing, on horizontal mounting surface
fastening methodscrew fixing
● side-by-side mountingYes
height375 mm
width160 mm
depth290 mm
required spacing
● with side-by-side mounting
— forwards20 mm
— backwards0 mm
— upwards25 mm
— downwards10 mm
— at the side10 mm
● for grounded parts
— forwards50 mm
— backwards0 mm
— upwards25 mm
— at the side10 mm
— downwards10 mm
● for live parts
— forwards50 mm
— backwards0 mm
— upwards25 mm
— downwards10 mm
— at the side10 mm
Connections/ Terminals
type of electrical connectionscrew-type terminals
● for main current circuitscrew-type terminals
● for auxiliary and control circuitscrew-type terminals
type of connectable conductor cross-sections
● for auxiliary contacts
— solid or stranded2x (1 ... 2,5 mm²)
— finely stranded with core end processing2x (0.75 ... 1.5 mm²)
Safety related data
product function mirror contact according to IEC 60947-4-1Yes; 1 auxiliary NC contact each of the right and left current path must be connected in series
protection class IP on the front according to IEC 60529IP00
Certificates/ approvals

Downloads and manuals

General Product ApprovalFunctional Safety/Safety of MachineryDeclaration of Conformity

Confirmation

CCC

EAC

Type Examination Certificate

Type Examination Certificate

UK Declaration of Conformity

Declaration of ConformityTest CertificatesotherDangerous Good

EC/EU-Declaration of Conformity

Miscellaneous

Special Test Certificate

Confirmation

Transport Information

Further information
Information- and Downloadcenter (Catalogs, Brochures,…)
Industry Mall (Online ordering system)
Cax online generator
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
Characteristic: Tripping characteristics, I²t, Let-through current
Further characteristics (e.g. electrical endurance, switching frequency)
last modified:12/2/2021
Date
5/14/2022		Subject to change without notice
© Copyright Siemens 2022


Additional data

Product
Article Number (Market Facing Number)3TC7814-0EF
Product DescriptionContactor, size 12, 2-pole, DC-3 and 5, 400 A Auxiliary switch 4 NO+4 NC 125 V DC DC operation DC operation
Product family3TC contactors for switching DC voltage, 1-pole and 2-pole
Product Lifecycle (PLM)PM300:Active Product
Price data
Region Specific PriceGroup / Headquarter Price Group41B / 41B
Surcharge for Raw MaterialsNone
Metal FactorLDP-----
Delivery information
Export Control RegulationsAL : N / ECCN : N
Standard lead time ex-works15 Day/Days
Net Weight (kg)23,490 Kg
Packaging Dimension358,00 x 423,00 x 248,00
Package size unit of measureMM
Quantity Unit1 Piece
Packaging Quantity1
Additional Product Information
EAN4011209153868
UPCNot available
Commodity Code85364900
LKZ_FDB/ CatalogIDCC-IC10
Product Group5807
Group CodeR711
Country of originGermany
Compliance with the substance restrictions according to RoHS directiveSince: 01.03.2017
Product classC: products manufactured / produced to order, which cannot be reused or re-utilised or be returned against credit.
WEEE (2012/19/EU) Take-Back ObligationYes
REACH Art. 33 Duty to inform according to the current list of candidates

Information obligation imposed by Article 33, REACH Regulation: This product includes one or several articles in which the following substance of the candidate list is contained in concentrations higher than 0,1% weight by weight (w/w):

Lead

Based on the information currently available, we assume that these substances do not pose any risk if the articles are used as intended (including disposal). Please also refer to product documentation.

Classifications
VersionClassification
eClass627-37-10-18
eClass7.127-37-10-18
eClass827-37-10-18
eClass927-37-10-18
eClass9.127-37-10-18
ETIM5EC002552
ETIM6EC002552
ETIM7EC002552
ETIM8EC002552
IDEA44755
UNSPSC1539-12-15-29

ETIM data

ETIM: EC002552 - Power contactor, DC switching

Value Unit
Rated control supply voltage Us at DC (EF003980) ['110', '110']V
Voltage type for actuating (EF008242) DC
Rated operation power at DC-3 / DC-5 at 440 V (EF007026) 140.0kW
Rated operation current Ie at DC-3 / DC-5 at 440 V (EF007035) 400A
Modular version (EF001126) true
Number of auxiliary contacts as normally open contact (EF001376) 4
Number of auxiliary contacts as normally closed contact (EF001377) 4
Type of electrical connection of main circuit (EF006819) Screw connection
Number of normally closed contacts as main contact (EF001375) 0
Number of main contacts as normally open contact (EF001374) 2
Rated control supply voltage Us at AC 50HZ (EF003978) -V
Rated control supply voltage Us at AC 60HZ (EF003979) -V


Datasheet - PDF

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Title: Size: Type:
PDF CATALOGUE SIEMENS EN.pdf 120 Mbytes
3TC7814-0EF 3TC7814-0EF EN_3TC7814-0EF.pdf 169 Kbytes 3TC7814-0EF 3TC7814-0EF EN_3TC7814-0EF.pdf

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