LTX Series

LTX Series

LTX contactors are designed for applications up to 4 kV with the highest breaking capacity. Three different configurations of standard terminal layout allow several installation options. The LTX line is protected by an international patent.

  • Ratings up to 4000 VDC/AC and up to 1050 A/pole.
  • Multi-pole combination up to 2 poles.
  • Category / Operational Frequency class : A2 / C2.
  • Insulation level up to OV4, PD3A.
  • Suitable for bi-directional DC or AC current.
  • Equipped with low voltage spike protection.
  • Vertical or horizontal mounting.
  • Suitable for low current interruption.
  • IEC60077 and IEC60947-4-1 compliant.
  • The newest extra heavy duty line for up to 4 kV systems
  • Highest breaking performance
  • High electrical durability
  • Easy installation
  • Extended supply auxiliary voltage with power saving system
  • Easily coupled with LTK disconnector for compact LRU
  • 3 different terminal configurations: S, E and B
  • Control Voltages: 24 – 36 – 48 – 72 – 110 Vdc
  • 2NO+2NC IP67 aux contacts (a0, b0 and a1, b1)
  • Low voltage Burndy connector
  • Voltage suppressor on LV coil (Varistor)
  • Up to 4 auxiliary contacts blocks (1NO+1NC)
  • Gold plated tips of auxiliary contact (for extremely low current)
  • Low voltage connectors (any-brands compability)
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Series
Size
Poles

LTX 1kV
900
1NO

LTX 2kV
900
1NO

LTX 3kV
900
1NO

LTX 1kV
900
2NO

LTX 2kV
900
2NO

LTX 3kV
900
2NO

Application Type Line Contactor
DC/DC Converter Input Contactor
Coaches Power Supply Contactor
Line Contactor
DC/DC Converter Input Contactor
Coaches Power Supply Contactor
Line Contactor
DC/DC Converter Input Contactor
Coaches Power Supply Contactor
Line Contactor
DC/DC Converter Input Contactor
Coaches Power Supply Contactor
Line Contactor
DC/DC Converter Input Contactor
Coaches Power Supply Contactor
Line Contactor
DC/DC Converter Input Contactor
Coaches Power Supply Contactor
Rated
Operational
Voltage
(up to)
[V] 900 1800 3600 900 1800 3600
Thermal Current @ 75°C [A] 900 900 900 900 900 900
Short Circuit
Withstand Current
for 5ms
[kA] 12 12 12 12 12 12
DC
Rated
Operational
Current
(L/R=15 ms)
900 Vdc [A] 1100 - - 1100 - -
1800 Vdc [A] - 1000 - - 1000 -
3600 Vdc [A] - - 750 - - 750
DC
Max Breaking
Current
(L/R=5 ms)
900 Vdc [A] 2000 - - 2000 - -
1800 Vdc [A] - 1800 - - 1800 -
3600 Vdc [A] - - 1500 - - 1500
AC
Rated
Operational
Current
(cosphi = 0.8)
900 Vac [A] 1200 - - 1200 - -
1800 Vac [A] - 1100 - - 1100 -
3600 Vac [A] - - 1000 - - 1000
AC
Max Breaking
Current
(cosphi = 0.8)
900 Vac [A] 2500 - - 2500 - -
1800 Vac [A] - 2000 - - 2000 -
3600 Vac [A] - - 1800 - - 1800
Dimensions Length L [mm] 301 320 360 300 320 360
Width W [mm] 113 113 114 197 197 197
Height H [mm] 344 359 439 345 360 440
Weight [kg] 10 11 15.5 20 22 31