Railway Products

Application – Off Load, Fault Make

2 pole isolation and/or switching of high power circuits, where a high short circuit withstand and high voltage isolation is required.

Used by LUL Jubilee, Victoria Lines & Bakerloo Lines for track sectioning.

RCTIS – 4kA 630V DC

2 pole isolation and/or switching of high power circuits, where a high short circuit withstand and high voltage isolation is required.

MTIS – 4kA 630V DC

Depot Shed Switchroom Isolation & Depot Road Isolation

Supplied to London Underground on the BCV DEISIP Project, VLU Victoria Line Upgrade & SSR Metropolitan Line Upgrade

The Gap Jumper Lead is used to connect a supply to a stranded (Gapped) Train.

This is where a train current collector shoe (pick up shoe) is no longer in connection with the power supply conductor rails.

The rail mounted fuse box is a custom designed and machined composite assembly, to meet the customer specification. The fuse box houses, 20 x 127 fuses of differing current ratings depending upon the application.

Trackside TDC2M 3.6kA Trackside Connection Box (2 Link) Motorised Bypass LUAS

Application - On Load

The Trackside Connection Box is used to bypass the Traction Supply from the substations to the overhead flexible feeder cables along the tramway. For maintenance purposes, links in the cabinet can be removed to isolate the overhead flexible feeder cables from the supply substations. As used on the Dublin LUAS

Twin substation feeders with a centrally positioned by pass disconnector. Isolation and Bonding of high power traction circuits, where a high short circuit withstand and high voltage isolation is required. Used on Croydon Tramway, where the switch ensures safe track working conditions

Trackside SIS- 1, 2, & 3 Pole Manual Traction Isolating Switches – 2kA 1500V DC NEXUS

Application – Off Load

Overhead line Supply / Isolation/ Bypass & Bonding for maintenance, where a high short circuit withstand and high voltage isolation is required.

Mass Transit Custom Fuse Assemblies 1000A 1900V DC

Fuse assembly, including, mounting and termination kit

Designed to replace obsolete fuses using the existing mountings

Traction Grade Fuse rated 1000A 1900V DC

FBI- 1 Pole Remote Controlled Feeder Bypass Isolator & Track Isolator – 2kA 750V DC

Substation feed selection and twin Isolation / Bonding and/or switching of high power circuits, where a high short circuit withstand and high voltage isolation is required. This panel is mounted in a heavy duty 'Street Furniture' enclosure for secure power isolation

Used on Manchester Metro Metrolink, where the switch ensures safe track working conditions

FBI- 1 Pole Remote Controlled Feeder Bypass Isolator & Track Isolator – 2kA 750V DC Docklands Light Railway

Application – Off Load

Substation feed selection and twin Isolation / Bonding and/or switching of high power circuits, where a high short circuit withstand and high voltage isolation is required.

FBI- 1 Pole Manual Feeder Bypass Isolator - 2kA 750V DC

Application – Off Load

Substation feed selection and switching of high power circuits, where a high short circuit withstand and high voltage isolation is required.

On load and off load isolator panels for depot roads or sidings 2kA / 3.6kA, 1500V DC

Manual or motorised By-pass disconnector

The 2 panel changeover switchboard to Network Rail specification NR/SP/ELP/21026, and is intended to maximise the reliability of the 415 V AC supply by using automatic selection to choose between two supplies. The equipment comprises two incoming 400V-440V 100A AC supply circuits. Each consists of an incoming 4 pole 600V 100A Switch Disconnector followed by a 3 pole 660V 100A contactor and then an isolating 4 pole 600V 100A Switch Disconnector.

Mainline - Tunnel Lighting Switchboard 50A London Underground

Single phase AC Switchboard with an automatic changeover from the LU supply to a DNO supply when the LU supply is lost.

The switchboard feeds four tunnel lighting circuits which are automatically invoked when their associated traction supply is switched off.

The switchboard can be divided into three sections to enable installation into limited access switch rooms.

Mainline TFPS Track Fed Power Supply 750V DC to 24V DC with PLC Control 150W - 1000W - PA05/05191 

Derives the power from the Conductor Rail and Running Rail of a track supply to power equipment at the trackside without the expensive DNO supply planning and installation costs. The unit can accommodate the voltage peaks and under-voltage requirements of a traction system whilst maintaining a stable supply.

750V DC to 24V DC power supply with high voltage isolation for the extreme traction environment. 

The device limits overvoltage by providing an ‘Earth Bridge’ between the HV and LV circuits to equalise potential differences.

2 Pole Circuit Breaker / Contactor / Motorised Isolator Suites 3600A 1000V DC

Distribution of substation feeds to the DC section of the AC/DC changeover system tracks. Each Suite is a fully integrated assembly of Circuit Breakers, Contactors, Motorised Isolators, Frame Leakage panels and Cable Connection panels

Off load / fault make disconnectors motor driven (48V DC or 230V AC) for isolating the output from Transformer / Rectifier power supplies to the track on Network Rail systems

SGNLR – Spark Gap & Non Linear Resistor Cubicle – 6kA or 9kA rms for 0.2s NetworkRail

Where there is 25kV overhead lines and 750V DC, the non-linear resistors provide a path back to source for currents flowing in short circuits of the 25kV AC overhead lines, while limiting the current which flows during the normal operation of the railway.

SCADA Control Panel

Application

Signal acquisition and conversion for communication with SCADA. This unit can be placed near to the equipment which requires a SCADA interface. The unit also provides an interface with the remote signalling REB.

SES – 2 Pole Shoegear Bonding Switch – 2kA 750V DC

PLCS – Railway and Industrial PLC systems - General

PLC Systems to sequence control and monitor traction power systems which typically comprise Circuit Breakers, Contactors and Disconnectors where a high integrity control is required.

Mainline Pantograph Fuse Boxes 1000A 1900V DC

DC Traction fuses in roof top pantograph mounting box

Traction Grade Fuse rated 1000A 1900V DC

Stainless Steel IP56 Enclosure

Mainline Multi-circuit Distribution board NetworkRail

The equipment comprises a Multi-Circuit Distribution Switchboard to Railtrack Plc specification, and is designed to provide distribution of a number of incoming supplies to their various load circuits.

SD –LCS2 1 Pole Supply Disconnector - 4000A 750V DC (TIS / TD) - Network Rail No PA05/00454

Distribution of power from substations and track isolation

CTS – 1 Pole Controlled Track Switch MK 2 - 2kA / 4kA 750V DC Network Rail No PA05/02035

Isolation and switching of high power circuits, where a high short circuit withstand and high voltage isolation is required. Typically used by Network Rail for track sectioning. The CTS is built to NR/SP/ELP/21025

Isolation and fuse protection for 2 lengths of conductor rail heating strip

The circuit is protected by four traction grade fuses.

Depot Road Isolation, Changeover and Bonding for Temple Mills Depot

Switches

One (1-E-2) 2 pole 230V AC motorised switch

Tested to BIL - 250kV

500mm electrical clearance

Mechanical interlocking

Mainline & Depot Replacement Traction Fuse Assemblies 800A & 1000A - 1000V DC

Light Rail TI - Trackside Indicators

Trackside Indication for conductor rail: Power On OR Power Off

Indication is by low maintenance LED’s and can be mono-colour or dual-colour.

Used on the Dockland Light Railway System

MCOIS – 2 Pole Manual Changeover Isolator Switch – 4kA 630V DC

Application – On Load

Isolation and/or switching of high power circuits, where a high short circuit withstand and high voltage isolation is required.

Typically used by London Underground for depot track road changeover switching or alternative feed switching.

PP 2 Pole Power Pedestal 150A or 200A with Optional Boom London Underground

The Road 630V DC is then fed directly from the Contactor to the Power Pedestal.

Two 110V AC control supply is also derived from the respective Contactor panel.

The Shore Supply Plug is fitted with a Plug Engaged sensor which inhibits the application of Traction Power to the train unless a magnet in the train receptacle to detected.

OST 2 Pole Overhead Switchable Trolley London Underground Depots

The Road 630V DC is then fed directly from the Contactor to the 630V DC Traction Power supply overhead supply bars. The Trolley Brush collectors pick up the supply from the supply bars.

Two 110V AC control supply collectors pick up the supply from two control bars fitted along the length of each road.

WMM – Wall Mounted Mimic Panel System

Mimic for a depot supply system with indication of the power supply configuration and status.

The Mimic Panel System consists of three cabinets:

Depot MBZ – 2 Pole Manually Operated Buffer Zone Changeover Panel – 2kA 1000V DC

Application – on load

Isolation and/or switching of high power circuits, where a high short circuit withstand and high voltage isolation is required. Used at Ashford Depot for buffer zone switching. The Buffer zone panel is based on the CTS and built to comply with the principles of NR/SP/ELP/21025

Depot LED Shunt Indicator

Trackside Indication for Route selection:

No Route or Route

Used on the Southern Depots

Depot CRCP – 2 Pole Depot Cleaning Road Contactor Panel - 500A or 630A 750V DC

Application – on load

These 630V DC bus bars are connected into a suite of Contactor Panels and the incoming supply to these bus bars is fed by a Shed Board Isolator (8800287). The 630V DC is then fed directly from the Contactor to the Cleaning Road conductor rails. The 630V DC is fed to the 2 pole contactor via: 4 pole Isolating & Bonding Disconnector, which has interlocks for Maintenance and Secure Isolations. These prevent contactor operation and the 630V DC supply when maintenance is being performed.

Depot CP – 2 Pole Exam Road Depot Contactor Panel - 500A or 630A 630V DC

Application – on load

The 630V DC is then fed directly from the Contactor to the Road Shore Supply for the Overhead Switchable Trolleys (8800290) OR to the Lifting Shed Power Pedestals (8800291).Used on London Underground

Depot CP Buffer Zone Contactor Panel 2kA 750V DC East London Line New Cross Depot

Application – On Load

Isolation and/or switching of high power circuits, where a high short circuit withstand and high voltage isolation is required. Used at New Cross Depot for buffer zone switching in the Depot road for the Wheel Lathe. The Buffer zone panel is based on the CTS and built to comply with the principles of NR/SP/ELP/21025

The Cleaning Road Overhead Status Indicator is a roof mounted unit that displays the electrical status of the roads fitted with ground mounted conductor rails at London Underground Depots.

Depot BZ – 2 Pole Electrically Operated Buffer Zone Changeover Panel – 2kA 1000V DC

Application – on load

Isolation and/or switching of high power circuits, where a high short circuit withstand and high voltage isolation is required. Used at Ashford Depot for buffer zone switching. The Buffer zone panel is based on the CTS and built to comply with the principles of NR/SP/ELP/21025

MDS & RCTIS Disconnector Panels

On load disconnector panels for depot supplies and alternative supplies, depot roads or sidings 4kA, 630V DC

Manual (MDS) or motorised with remote control (RCTIS).

Dublin Light Rail

Manual Off load isolator panels for depot roads or sidings 2kA 1500V DC

Up to 7 roads in one suite (5 road version in the picture)

DCP – 1 or 2 Pole Depot Contactor Panels – 1kA or 2kA 750V DC

Application – on load

1 pole changeover switching of high power circuits, where a high short circuit withstand and high voltage isolation is required.

Road isolation in Southern & South Eastern Depots

Approvals; - LU – NF F-16-101 – NFT 51-071 – NFC 20-455 – UL94 VO

These are the lugs for London Underground Standard 935mm2 Copper cables used for the Positive and Negative supplies.

These are the glands for London Underground Standard 935mm2 Copper cables used for the Positive and Negative supplies.