LTK disconnectors combine the Microelettrica’s heavy-duty and well-known technology of our high power circuits with the most advanced control & command circuit technology. This results in a compact and versatile solution for applications where high voltages (up to 4 kV) and thermal currents are required. The LTK line is protected by an International patent.

• Ratings up to 4000 VDC/AC and up to 1050 A/pole applications
• Single pole or change-over Disconnector
• Multi-pole combination up to 2 poles
• Category / Operational Frequency class : A4 / C3
• Designed for applications up to OV4, PD3A
• DC coil controlled with power saving electronic board
• Equipped with low voltage protection
• Suitable for vertical or horizontal mounting
• IEC60077 compliant

• Newest extra heavy duty line for up to 4 kV systems
• The highest insulation level between the upstream and downstream circuit
• To avoid cabling, the command circuit exploits the most advanced PCB board technology.
• Current driving & holding system to always get the same mechanical performances regardless of power supply voltage and temperature fluctuations.
• Extended working range of power supply over the limits prescribed by standards, with no external DC/DC converter.
• Easily coupled with LTX contactor for compact LRU.

STANDARD

• Power terminal configuration: S (IN/OUT opposite sides) and E (IN/OUT same side).
• Control Voltage: Low voltage range for 24 – 36 – 48 Vdc and High voltage range for 72 – 110 Vdc
• 3NO + 3NC + 1CO aux contacts
• Low voltage connector SMS type

CUSTOM

• Low voltage connectors (any-brand compatibility)