Mainline CRHP Automated 2 Pole Conductor Rail Supply Disconnector - 250A 750V DC MK V - PA05/05191
Application - on load
Isolation and fuse protection for 2 lengths of conductor rail heating strip
The circuit is protected by four traction grade fuses.
Separate sections & 100mm clearance with central barriers EM42 for positive and negative poles for:
Switch Disconnector SD 1
Switch Disconnector SD 2
Statutory safety labels
Heavy duty GRP cabinets, hot press moulded, reinforced polyester enclosure, Complies with general requirements for empty enclosures conforming to EN 62208: 2003 (EN 50298: 1999).
Resistance to external mechanical impact: IK 10 (5 joules) conforming to EN 50 102.
External & Internal Colour - RAL 7032 Grey
IP 56 sealing conforming to IEC 529 (EN 60529)
Self-extinguishing conforming to IEC 695-2-1 (960 °C)
Temperature resistance: – 50...+ 150 °C
Resistant to principal chemical agents and corrosive atmospheres & UV light stabilised.
Comply with constraints relating to installation of double insulated panels conforming to standard IEC 439-1 (EN 60439-1)
Front panel has Network Rail approved 3 point locking with a barrel to suit Network Rail.
Low profile allowing the enclosure to be mounted close to the track
Insulating Gland Plates
The switch can be installed by the following methods:
Mounting frame (Available from LCS)
Wall mounted (Vertical)
2 x 240mm2 Aluminium incoming Traction Negative cable
1 x 240mm2 Aluminium incoming Traction Positive cable
1 x 16mm2 Twin core copper cable to each Heater Strip
SD1 Disconnector Features
250A 1000V DC on load / fault make motorised DC21A duty
SD2 Disconnector Features
250A 1000V DC on load / fault make manual DC21A duty
Heavy duty insulated Handle Pad lockable in 'OPEN' or 'CLOSED' positions.
1000V DC Fuses FS1 - FS4
63A Fuses (De-rated to 56A in fuse holders) or 125A Fuses or 160A Fuses depending upon heater strip type