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Siemens 3TC7814-0EB

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Siemens 3TC7814-0EB

contactor, DC-3/DC-5, 400 A, 2-pole, 24 V DC, auxiliary contacts: 4 NO + 4 NC, connecting bar

SiemensMFR # 3TC7814-0EBSKU # CEY-8EF3B031DB4F
product designationContactor
product type designation3TC
size of contactor12
function module for communicationYok
auxiliary switchYok
insulation voltage rated value1.500 V

Ürün Hakkında

contactor, DC-3/DC-5, 400 A, 2-pole, 24 V DC, auxiliary contacts: 4 NO + 4 NC, connecting bar

Siemens 3TC7814-0EB

  • Orijinal ve sertifikalı Siemens ürünü
  • Dünya genelinde tedarik ağıyla hızlı temin
  • Teknik ekibimizden ürün seçimi ve uyumluluk desteği
  • Muadil ve alternatif ürün önerisi
  • Talebinize özel fiyat teklifi ve teslim süresi

Teknik Özellikler

product designationContactor
product type designation3TC
General technical data
size of contactor12
function module for communicationYok
auxiliary switchYok
insulation voltage rated value1.500 V
surge voltage resistance rated value8 kV
maximum permissible voltage for protective separation between coil and main contacts according to EN 60947-1630 V
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 (day/month/year)03/01/2017
SVHC substance nameLead CAS-Yok. 7439-92-1
Net Weight22 kg
Ambient conditions
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
— 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 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 220 V rated value400 A
— at 600 V rated value400 A
— at 750 V rated value400 A
— 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 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
— 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 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
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 value24 V
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
at 230 V rated value5,6 A
at 400 V rated value3,6 A
at 500 V rated value2,5 A
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
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
— with type of coordination 1 required2 x 3NE1330-5E (315 A) parallel (1500 V, 12 kA)
— with type of coordination 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 dikey mounting surface; can be tilted forward ve backward by +/- 22,5° on dikey mounting surface
fastening method side-by-side mountingVar
fastening methodscrew fixing
height375 mm
width160 mm
depth290 mm
— forwards20 mm
— backwards0 mm
— upwards25 mm
— downwards10 mm
— at the side10 mm
— forwards50 mm
— backwards0 mm
— upwards25 mm
— at the side10 mm
— downwards10 mm
— forwards50 mm
— backwards0 mm
— upwards25 mm
— downwards10 mm
— at the side10 mm
Connections/ Terminals
type of electrical connectionscrew terminal
for main current circuitscrew-type terminals
for auxiliary and control circuitscrew-type terminals
— 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 60947-4-1Var; 1 auxiliary NC contact her biri of the right ve left current path must be connected in series
Electrical Safety
protection class IP on the front according to IEC 60529IP00

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