Knife Switch

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Overview

Mersen is providing compact, safe and reliable on board knife switch.
These devices offer high performances and robustness for heavy duty requirements with very limited maintenance and whole life of the train.
This device answers to applications under 600VDC.
Our standard Knife Switch range is rigorously engineered to meet your technical specifications in different configurations.
Mersen has a switch solution that will meet your unique needs.

Benefits

Uses of Knife Switch

Mersen Knife Switches are designed to be very compact and light with a modular and flexible design to meet your electrical circuit configuration.
They are operated manually with of an isolated handle.
They are designed to withstand up to 25.000 cycles (open-close)
To guarantee this efficiency, Mersen is testing them internally and with external partners.

Capabilities

Customized to your need

The knife switch can operate under 600VDC and 800 Amp.
NEMA 4

They are build with a modular and flexible conception where you can choose:

The entries and exists
The current value
Locking device for security (by key or padlocks)
The quantity of micro switches per position

Then you get your customized devices adapted to your technical environments.

Design Guide

Voltage value

The Knife Switch voltage is 600VDC.

Current value

The Knife Switch current value is up to 1,200Amp.

Number of poles and positions (modular conception)

The configuration is 1 pole - 4 positions

Propulsion position
Auxilaries position
Open
Power collector position

Modular design

You can customized your device by choosing the following characteristics and functions:

Entries and exits
The current value
The quantity of micro switches per position
Locking system and anti-opening system of the cover

Life time and number of cycles

These devices are very low maintenance and last the life time of the train. The first maintenance operation is given for 25.000 operations.

Spare part kits

Mersen will supply you all Spare parts kits to guarantee the reliability and increase the life time of your product.

Replacement Kit poles
Replacement kit micro switch,
all necessary components

Metro workshop station Current Collector Device (CCD) work shop training

Training and assistance

Mersen Design team is available to support your design and maintenance team’s especially for the smart and connected functions.
Mersen Service team can train your Maintenance team to make the setting and the maintenance of your installations all around the world.

Tooling

Beside the spare parts, Mersen can supply the necessary tooling to set perfectly your equipment to the technical requirements of your network and optimize their use.

Illustration of an equation on paper and pen

LCC; RAMS; Type tests

Mersen team provide type test and different studies (Life Cycle Cost, RAMS, FMEA, Eco Design and recyclability, etc…) to secure the reliability of your equipment and its conformity to standards and legislations.

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