SIT pits

The Series Isolation Transformer (SIT) pit used for airfield runway lighting comprises a polymer concrete pit and collar with a galvanised lid. A polymer concrete stand is also available to support the series isolation transformer above the base of the pit.

Length: 650mm
Width: 550mm
Depth: 650mm or 890mm

Features & Benefits
Descriptions/Dimensions (mm)Part NoOverall Length
(mm)
Overall Width
(mm)
Depth
(mm)
Weight
(kg)
SIT Pit Lid and Collar Assembled143068662562650162

Documents

Features & Benefits
Descriptions/Dimensions (mm)Part NoOverall Length
(mm)
Overall Width
(mm)
Depth
(mm)
Weight
(kg)
SIT Pit Lid and Collar Assembled143069650550890156

Documents

DescriptionPart NoOverall Length
(mm)
Overall Width
(mm)
Depth
(mm)
Weight
(kg)
SIT Pit (450 deep)14232045035045028
SIT Pit (730 deep)14232150040073049
SIT Pit Deep Collar & Lid Assembled142958662562200127
SIT Pit Shallow Collar & Lid Assembled142322662562160100
SIT Pit Support Stand1423192302001507
Universal Lifting Key84306---0.6
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