K Microelettrica Catalogue | Mobility | Products | Components | Disconnectors | Isolation and Changeover | LTRM Series
LTRM Series
LTRM Series is designed to withstand up to 300A thermal current for systems up to 4 kV. The same motor can drive up to 4 poles. NO, NC and CO configurations are available for each pole.
- Ratings up to 4000 VDC/AC and up to 300 A/pole applications
- Single pole or Change over Disconnector
- Modular-Multipolar up to 4 poles
- Aux contacts: 3 NO + 3 NC – PBX screw
- Category / Operational Frequency class : A4 / C3
- Designed for applications up to OV3, PD3
- IEC60077 compliant
- Compact line providing great size, weight and cost savings for up to 4 kV systems
- Up to 4 poles: 300 A. Every pole may have 1 NO, 1 NO+1 NC, or 1 CO contacts
- Main terminals position: D version (IN and OUT on the opposite side)
- Fully customizable control interface
- DC motor direct command: 1-relay monostable version or 2-relay bistable version
- Bistable version, 2-position command relays
- Control voltage: 24 – 36 – 48 – 72 – 110 VDC
- SMS21 low voltage connector
- Monostable version, 1-position command relays
- Low voltage connectors (all brands available)
Series Size Poles |
LTRM 300 3CO |
LTRM 300 4CO |
LTRM 300 3NC |
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Application Type | Multisystem Vehicle Configurator | Multisystem Vehicle Configurator | Multisystem Vehicle Configurator | ||
Rated Insulation Voltage @ OV3/PD3 |
[V] | 4000 | 4000 | 4000 | |
Thermal Current @ 75°C | [A] | 270 | 270 | 270 | |
Short circuit withstand current for 5ms | [kA] | 10 | 10 | 10 | |
Dimensions | Length L | [mm] | 300 | 300 | 193 |
Width W | [mm] | 325 | 327 | 331 | |
Height H | [mm] | 341 | 341 | 341 | |
Weight | [kg] | 11.5 | 11.5 | 11 |