Underground TTSS – 2 Pole TUNNEL Track Section Switch – 4kA 630V DC
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.
(1-0) Motor driven Off Load, fault make switch
Low Smoke Zero Halogen Components
Protected for external use
Low Smoke Paint Finish (To LUL Section 12 Specification)
60mm Electrical Clearance
110V Control Supply
Wall mounted, external cabling with heatshrink-sleeving
Positive and negative cables feed through their respective poles but incoming and outgoing are connected to opposing ends of the enclosure.
The cable connections are external to the enclosure and must be covered by heatshrink-sleeving of a suitable material to ensure that accidental contact cannot be made with live connections.
Traction Positive Incoming 2 x 935mm2 Copper Cable
Traction Positive Outgoing 2 x 935mm2 Copper Cable
Traction Negative Incoming 2 x 935mm2 Copper Cable
Traction Negative Outgoing 2 x 935mm2 Copper Cable