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The Abacus spring operated base-hinged column is the best available. Anywhere. Why?

The Abacus base-hinged column has been the choice of the railway industry, local authorities and industry, both in the UK and internationally, for 40 years. From experience, our customers have found that this product just goes on and on…

Fast, simple and safe to maintain. The column can be lowered in as little as 60 seconds, with absolutely no risk to the maintenance personnel.

Light duty

4-8m Base-hinged column

Patent No: 968113

What you need to know

Flange plate

TYPE 0
FA000G Bolts/cross brace M16 x 500mm
FC020 Template

TYPE 0 - FA000G Bolts/cross brace M16 x 500mm - FC020 Template

TYPE 1
FA001G Bolts/cross brace M20 x 500mm
FC021 Template

TYPE 1 - FA001G Bolts/cross brace M20 x 500mm - FC021 Template

All dimensions are in mm.

The light duty base-hinged column being lowered and raised

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On this page: Column Dimensions | Mounting Details | Column Headload Capacity

Benefits

Simplicity and speed of operation
Complete safety of operating personnel
Access to gear only by lowering column (unless Flush Door Option is chosen)
Vandal resistant locking screw as standard (secondary security)
Gravity locked, can only be lowered with universal lever (standard supply)

Features

Designed to EN40
Hot dip galvanised to BS EN ISO 1461:2009
Manufactured in steel tube to EN10210

Accessories

XXSC003F - Tamper resistant locking screw
XXSC003F - Key for locking screw
ELSAB1/6A - Single fuse cut-out, 6A, loop in/out (not fitted)
ELSAB12/6A - Twin fuse cut-out, 6A, loop in/out (not fitted)

Training
Training on all Base-Hinged Columns is available either at Abacus or on site at your facility. Take a look at our Training page for more information.

Please note
We strongly recommend that Abacus counterbalance units are only operated by persons who have successfully completed training carried out by an approved Abacus trainer.

Column Dimensions

* Flush Door Option
Flush door enables internal locking mechanism. Side fitted locking screw not required on this model. Add /FD suffix.

Technical data for columns & masts

The performance data for columns and masts gives their basic technical attributes only. The technical performance of a column or mast will be affected by local site conditions (terrain type, distance to sea, site altitude, windspeed) and the headload being carried.

Please Contact the Abacus Technical team to confirm the suitability of a column or mast for your application.

Root Mounted

Product Code	Height	OD1	OD2	x	y	z	Weight (kg)	OTM (kNm)	Shear (kN)	Min. Concrete Diameter*	Counterbalance Type & Max. Weight
T041RLS	4m	168	76	2875	1050	600	50	4.9	1.4	1397	RLS168 - Yellow 10kg RLS168 - White 20kg RLS168 - Red 29kg RLH168 - 29kg
T051RLS	5m	168	76	3875	1050	800	59	4.8	1.3	570	RLS168 - Yellow 10kg RLS168 - White 18kg RLS168 - Red 27kg RLH168 - 27kg
T061RLS	6m	168	76	4860	1050	1000	68	4.7	1.2	291	RLS168 - White 10kg RLS168 - Red 18kg RLS168 - Blue 28kg RLH168 - 28kg
T081RLS	8m	168	89	6830	1050	1200	89	5.7	1.3	198	RLS168 - Blue 11kg RLS168 - Green 17kg RLH168 - 17kg

* Root concrete diameter based on poor soil or better, min. 230kN/m²

Flange Plate Mounted

Product Code	Height	OD1	OD2	x	y	Flange Plate	Weight (kg)	OTM (kNm)	Shear (kN)	Concrete Dimension*	Counterbalance Type & Max. Weight
T041RLS/FP	4m	168	76	2875	1050	Type 0	49	4.9	1.4	750 x 800	RLS168 - Yellow 10kg RLS168 - White 20kg RLS168 - Red 29kg RLH168 - 29kg
T051RLS/FP	5m	168	76	3875	1050	Type 0	54	4.8	1.3	750 x 800	RLS168 - Yellow 10kg RLS168 - White 18kg RLS168 - Red 27kg RLH168 - 27kg
T061RLS/FP	6m	168	76	4860	1050	Type 0	59	4.7	1.2	750 x 800	RLS168 - White 10kg RLS168 - Red 18kg RLS168 - Blue 28kg RLH168 - 28kg
T081RLS/FP	8m	168	89	6830	1050	Type 1	77	5.7	1.3	750 x 900	RLS168 - Blue 11kg RLS168 - Green 17kg RLH168 - 17kg

*Concrete dimension based on a minimum ground bearing pressure of 150kN/m², (S = square dimension, H = depth)

Outreach & Floodlight Brackets

Height	Projection Length	Outreach Brackets Single (S)	Double (D)	Spigot Lengths /SP 230mm /SP1 100mm	Floodlight Brackets
Height	Projection Length	Overlap Fit on Shaft	Flush Fit on Spigot	Type/Bolt Centres (mm)	Overlap Fit on Shaft	Flush Fit on Spigot
4m		T041RLS	T041RLS/SP+/SP1*		T041RLS	T041RLS/SP
	0.30m	PR2-03/S or /D	PR1-03/S or /D*	Single	FL1/1	FL0/1
	0.50m	PR2-05/S or /D	PR1-05/S or /D*	Double (600)	FL1/2	FL0/2
5m		T051RLS	T051RLS/SP+/SP1*		T051RLS	T051RLS/SP
	0.30m	PR2-03/S or /D	PR1-03/S or /D*	Single	FL1/1	FL0/1
	0.50m	PR2-05/S or /D	PR1-05/S or /D*	Double (600)	FL1/2	FL0/2
6m		T061RLS	T061RLS/SP+/SP1*		T061RLS	T061RLS/SP
	0.30m	PR2-03/S or /D	PR1-03/S or /D*	Single	FL1/1	FL0/1
	0.50m	PR2-05/S or /D	PR1-05/S or /D*	Double (800)	FL1/3	FL1/3
8m		Post top lanterns only			T081RLS	T081RLS/SP
				Single	FL2/1	FL1/1
				Double (800)	Post top floodlight only

*Outreach brackets series PR1 & PR2 below 0.50m projection fit onto 100mm spigot (/SP1). 0.50m + on standard 230mm spigot (/SP)

Column Headload Capacity (m²)

Based on UK rationalised wind loading factors for EN40

Product Code	Lantern Mounting / Projection	Max. Headload (kg)	Light 396 kN/m²	Medium 429 kN/m²	Heavy 466 kN/m²	Extra Heavy 576 kN/m²
T041RLS	Post Top	53	1.152	1.054	0.961	0.756
	0.25m Single Outreach	8	0.363	0.332	0.303	0.24
	0.50m Single Outreach	8	0.258	0.236	0.215	0.168
T051RLS	Post Top	38	0.775	0.703	0.634	0.484
	0.25m Single Outreach	8	0.298	0.271	0.246	0.133
	0.50m Single Outreach	8	0.214	0.194	0.175	0.133
T061RLS	Post Top	28	0.528	0.472	0.418	0.302
	0.25m Single Outreach	8	0.237	0.213	0.19	0.141
	0.50m Single Outreach	8	0.171	0.153	0.136	0.099
T081RLS	Post Top	17	0.16	0.133	0.109	0.06
	0.25m Single Outreach	8	0.06	0.05	-	-

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