LTC Series

LTC Line contactors are our compact device solution. They are small, powerful and safe, applicable to both rail and industrial markets in the most severe applications.

Thanks to our long production history, we can offer many configurations to cover all customer needs.

  • Ratings up to 4000 VDC/AC and up to 1100 A/pole applications
  • Multi-pole combination up to 4 poles
  • NO and NC poles
  • Category / Operational Frequency class : A2 / C3
  • Designed for applications up to OV3, PD3
  • According to the blow-out system, suitable for DC uni- directional, DC bi-directional, or AC currents
  • Equipped with low voltage spike protection
  • Vertical or horizontal mounting
  • Suitable for low current interruption
  • IEC60077 and IEC60947-4-1 compliant
  • Offered in 5 standard sizes to fit any requirements with the minimum required dimensions.
  • Series or parallel connections on bipolar contactors to minimize space requirement.
  • Permanent magnets for quickest switching with unidirectional low DC and any AC currents, reduced dimensions and weight.
  • Highest compactness guaranteed with plastic arc-chute
  • Main contacts with silver alloy tips
  • Control voltage: 24 – 36 – 48 – 72 – 110 VDC
  • DC coil supply with 6.35×0.8 mm Fast-on terminals
  • 2 NO + 2 NC auxiliary contact blocks, 6.35×0.8 mm Fast-on terminals
  • Voltage suppressor on LV coil (Varistor)
  • Main contacts with Ag/C alloy tips
  • Supply system with mechanical latch
  • Control voltage: from 12 to 440 VDC/AC
  • Up to 4 auxiliary contacts blocks
    • 1 NO + 1 NC / 2 NO versions
    • Gold plated tips (for extremely low currents)
    • Screw terminals
  • Low voltage connectors (all brands available)
  • Alternative Voltage suppressor on LV coil (Diode + Transzorb)
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Series
Size
Poles


 LTCH
60
1NO | 2NO

| 		LTC
100
1NO* | 2NO

| 		LTCS
250
1NO* | 2NOs* | 2NOp* | 3NO | 4NO

| | | | 		LTCH
250
1NO* | 2NOs* | 2NOp* | 3NO | 4NO

| | | | 		LTCS
300
1NO | 2NOs* | 2NOp* | 3NO | 4NO

| | | | 		LTCH
300
1NO | 2NOs* | 2NOp* | 3NO | 4NO

| | | | 		LTCH
1000
1NO
Application Type Precharge Contactor Precharge Contactor
Battery Charger Output Contactor
Capacitor Discharge Contactor		 Precharge Contactor
AUX Input Contactor​
AUX Output Contactor​
Battery Charger Input Contactor​
Battery Charger Output Contactor​
Capacitor Discharge Contactor​
Heater Contactor​ 		Precharge Contactor​
AUX Input Contactor​
AUX Output Contactor​
Battery Charger Input Contactor​
Capacitor Discharge Contactor​
Heater Contactor​ 		Precharge Contactor​
AUX Input Contactor​
AUX Output Contactor​
Battery Charger Input Contactor​
Battery Charger Output Contactor​
Heater Contactor​ 		Precharge Contactor​
AUX Input Contactor​
AUX Output Contactor​
Battery Charger Input Contactor​
Heater Contactor​ 		Line Contactor
DC/DC Converter Input Contactor
Coach Power Supply Contactor​
Rated Operational Voltage
(up to)		 [V] 3600 900 1800 1800 1800 1800 1800
Thermal Current @ 75°C ** [A] 50 80 200 200 270 270 1000
Short Circuit
Withstand Current for 5ms		 [kA] 2 1.5 5 5 5 5 20
DC
Rated Operational Current
(L/R=15 ms) *** 		440 Vdc [A] - 40 130 200 130 200 -
900 Vdc [A] 80 16 65 100 65 100 1200
1800 Vdc [A] 40 - 16 20 16 20 600
3600 Vdc [A] 16 - - - - - -
DC
Max Breaking Current
(L/R=5 ms) ***		 440 Vdc [A] - 60 195 225 195 225 -
900 Vdc [A] 120 25 130 150 130 150 3200
1800 Vdc [A] 60 - 25 30 25 30 1600
3600 Vdc [A] 30 - - - - - -
AC
Rated Operational Current
(cosphi = 0.8) ***		 440 Vac [A] - 40 130 200 130 200 -
900 Vac [A] 80 16 65 100 65 100 1200
1800 Vac [A] 40 - 16 20 16 20 600
3600 Vac [A] 16 - - - - - -
AC
Max Breaking Current
(cosphi = 0.8) ***		 440 Vac [A] - 80 320 400 320 400 -
900 Vac [A] 200 40 160 200 160 200 3200
1800 Vac [A] 100 - 80 100 80 100 1600
3600 Vac [A] 50 - - - - - -
Dimensions Length L [mm] 170 | 170 105 | 120 140 | 140 | 140 | 140 | 140 155 | 155 | 155 | 155 | 155 140 | 140 | 140 | 140 | 140 155 | 155 | 155 | 155 385
Width W [mm] 80 | 150 65 | 100 90 | 110 | 110 | 170 | 220 90 | 110 | 110 | 170 | 220 90 | 110 | 110 | 170 | 220 90 | 110 | 110 | 170 | 220 94
Height H [mm] 240 | 220 130 | 155 160 | 160 | 160 | 160 | 160 180 | 180 | 180 | 180 | 180 160 | 160 | 160 | 160 | 160 180 | 180 | 180 | 180 | 180 300
Weight [kg] 3 | 4 1.1 | 2 2 | 3.5 | 3.5 | 5 | 6.5 2.2 | 4.1 | 4.1 | 5.9 | 7.7 2 | 3.5 | 3.5 | 5 | 6.5 2.2 | 4.1 | 4.1 | 5.9 | 7.7 9.9

*     Normally Closed (NC) poles are available. For further information please contact us

**   for higher thermal current please check parallel configurations (“2NOp” datasheet) 

*** for higher values please check series configurations (“2NOs” datasheet)