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Australian made

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

SIT Pits - Shallow Pit - features & benefits

Shallow Sit Pit Diagram
125 tonne rated lid and collar
2Galvanised steel lid with lifting key hole
3Lid anchored to collar
Sit pit collar
Brass ID plate
Series Isolation Transformer stand
SIT support stand
SIT pit base
9Secondary cable conduit provision
10Primary cable conduit provision
11Drainage hole in pit base
Parts list

SIT Pits - Deep Pit - features & benefits

Deep Sit Pit Diagram
125 tonne rated lid and collar
2Galvanised steel lid with lifting key hole
3Lid anchored to collar
Sit pit collar
Brass ID plate
Series Isolation Transformer stand
SIT support stand
SIT pit base
9Secondary cable conduit provision
10Primary cable conduit provision
11Drainage hole in pit base
Parts list

SIT Pits - product details

Shallow Pit

Parts List

Descriptions/Dimensions (mm) Part No Overall Length
(mm)
Overall Width
(mm)
Depth
(mm)
Weight
(kg)
Spec
Info
SIT Pit Lid and Collar Assembled* 143068 662 562 650 162 PDF
SIT Pit Lid and Collar Assembled 143122 650 550 600 125 PDF

* as per Department of Defence standard MIE-AGL

Deep Pit

Parts list

Descriptions/Dimensions (mm) Part No Overall Length
(mm)
Overall Width
(mm)
Depth
(mm)
Weight
(kg)
SIT Pit Lid and Collar Assembled 143069 650 550 890 156

* as per Department of Defence standard MIE-AGL

PDFSpec Info

Descriptions/Dimensions (mm) Part No Overall Length
(mm)
Overall Width
(mm)
Depth
(mm)
Weight
(kg)
SIT Pit (450 deep) 142320 450 350 450 28
SIT Pit (730 deep) 142321 500 400 730 49
SIT Pit Deep Collar & Lid Assembled 142958 662 562 200 127
SIT Pit Shallow Collar & Lid Assembled 142322 662 562 160 100
SIT Pit Support Stand 142319 230 200 150 7
Universal Lifting Key 84306 - - - 0.6

Related brand:

ACO AccessAccess cover & frame systems

ACO manufactures a range of high quality access covers which, whilst providing speedy and easy access to underground services, enable decorative floor finishes to be maintained with minimal interference.

For more info, click here.

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