> SIEMENS>CONTROL AND CONTACTORS>Contactors for switching motors>3TC7814-1CF SIEMENS Contactor size 12, 2-pole DC-3 and 5, 400 A Auxiliary switch 4 NO + 4 NC AC operation 11..
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3TC7814-1CF SIEMENS Contactor size 12, 2-pole DC-3 and 5, 400 A Auxiliary switch 4 NO + 4 NC AC operation 11.. View larger
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3TC7814-1CF SIEMENS Contactor size 12, 2-pole DC-3 and 5, 400 A Auxiliary switch 4 NO + 4 NC AC operation 11..

3TC7814-1CF

SIEMENS

Contactor size 12, 2-pole DC-3 and 5, 400 A Auxiliary switch 4 NO + 4 NC AC operation 110 V AC 50 Hz

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CONTROL AND CONTACTORS > Contactors for switching motors

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ETIM: EC002552 - Power contactor, DC switching

Value Unit
Rated control supply voltage Us at AC 50HZ (EF003978) ['110.0', '110.0']V
Rated control supply voltage Us at DC (EF003980) ['-', '-']V
Voltage type for actuating (EF008242) AC
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 60HZ (EF003979) -V


Contactor size 12, 2-pole DC-3 and 5, 400 A Auxiliary switch 4 NO + 4 NC AC operation 110 V AC 50 Hz
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 acc. to EN 60947-1630 V
● Protection class IPIP00
● protection class IP on the frontIP00
● Protection class IP of the terminalIP00
Mechanical service life (switching cycles)
● of contactor typical30 000 000
● of the contactor with added auxiliary switch block typical30 000 000
Reference code acc. to DIN EN 81346-2Q
Ambient conditions
Ambient temperature
● during operation-25 ... +55 °C
● during storage-50 ... +80 °C
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
Operating current
● 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
Operating current
● at DC-3 at DC-5
— 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
● 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
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 voltageAC
Control supply voltage at AC
● at 50 Hz rated value110 V
Operating range factor control supply voltage rated value of magnet coil at AC
● at 50 Hz0.8 ... 1.2
Apparent pick-up power of magnet coil at AC160 V·A
● at 50 Hz160 V·A
Inductive power factor with closing power of the coil0.95
● at 50 Hz0.95
Apparent holding power of magnet coil at AC160 V·A
● at 50 Hz160 V·A
Inductive power factor with the holding power of the coil0.95
● at 50 Hz0.95
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
Operating current at AC-12 maximum10 A
Operating 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
Operating 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
Operating 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
contact reliability of auxiliary contactsone incorrect switching operation of 100 million switching operations (17 V, 5 mA)
Short-circuit protection
Design of the fuse link
● for short-circuit protection of the main circuit
— with type of coordination 1 requiredgG: 630 A (690 V, 100 kA)
— with type of assignment 2 requiredgG: 500 A (690 V, 100 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
Mounting typescrew 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
● Type of electrical connection for main current circuitscrew-type terminals
● Type of electrical connection for auxiliary and control current circuitscrew-type terminals
Type of connectable conductor cross-sections
● for auxiliary contacts
— single or multi-stranded2x (1 ... 2,5 mm²)
— finely stranded with core end processing2x (0.75 ... 2.5 mm²)
Certificates/ approvals
General Product ApprovalFunctional Safety/Safety of MachineryTest Certificatesother

CCC

EAC

Type Examination Certificate

Special Test Certificate

Miscellaneous

Confirmation

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:08/13/2020


Product
Article Number (Market Facing Number)3TC7814-1CF
Product DescriptionContactor size 12, 2-pole DC-3 and 5, 400 A Auxiliary switch 4 NO + 4 NC AC operation 110 V AC 50 Hz
Product familyNot available
Product Lifecycle (PLM)PM300:Active Product
Price data
Price Group41B
Surcharge for Raw MaterialsNone
Metal FactorLDO-----
Delivery information
Export Control RegulationsECCN : N / AL : N
Standard lead time ex-worksOn request
Net Weight (kg)24,207 Kg
Product Dimensions (W x L x H)Not available
Packaging Dimension358,00 x 423,00 x 248,00
Package size unit of measureMM
Quantity Unit1 Piece
Packaging Quantity1
Additional Product Information
EAN4011209223196
UPC754554376523
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
There is currently no information on SVHC (Substances of Very High Concern http://echa.europa.eu/web/guest/candidate-list-table) from the supply chain and our established procedures for screening our products for Substances of Very High Concern.We compare our products regularly with the information of the upstream users with regard to the substances indicated in the candidate list in accordance with the requirements of the REACH regulation. As soon as we have new findings, our information will be updated accordingly.
Classifications
Not available

Datasheet - PDF

▲
Title: Size: Type:
PDF CATALOGUE SIEMENS EN.pdf 120 Mbytes
PDF CATALOGUE SIEMENS EN.pdf 104 Mbytes
3TC7814-1CF 3TC7814-1CF EN_3TC7814-1CF.pdf 175 Kbytes 3TC7814-1CF 3TC7814-1CF EN_3TC7814-1CF.pdf

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