DNO Cubicles

RSP build high-quality, durable DNO Cubicles & Distribution Cubicles, built from Glass Reinforced Plastic GRP, mild or stainless steel. We manufacture standard size and layout railway DNO cubicle solutions or built to specification to the customer’s requirements.  Our DNO GRP cubicles are supplied in both single-phase 230V and 3 Phase 400V versions. All designed for Class I and Class II Networks.

DNO Cubicles / Low Voltage LV  Power Distribution Enclosures 

DNO Cubicles & LV Power Distribution Enclosures are built for outdoor trackside locations and used to supply power to railway trackside signalling, lights and points heating systems.  All our DNO cubicles are manufactured and tested to meet Network Rail Specification BS EN 61439 and are available in GRP or stainless steel.  RSP can supply DNO cubicles in either double or single-sided enclosures, with multiple door options according to the customers meter reading requirements. 

Are the DNO Cubicles built and tested in accordance with BS EN 61439?

All of RSP’s DNO cubicles/enclosures are manufactured and tested by our experienced team at our Saltash workshop to meet Network Rail Specification BS EN 61439

Do your DNO cubicles come in single sided or double sided configurations?

RSP can build DNO cubicles with either double or single-sided configuration, with multiple door options as required.

Can DNO enclosures come in single phase 230V or three phase 400V versions?

We can supply DNOs in single-phase 230V or 3 Phase 400V versions. All designed for Class I and Class II Networks.

Built to Specification DNO GRP Cubicles

RSP’s dedicated in-house team of electrical designers use 3D modelling software to produce 3D designs and can manufacture DNO cubicles to meet any customer specifications.

In-house Manufacture & Testing

All our DNO Cubicles are manufactured at our facilities in Saltash Cornwall by our experienced in-house Electrification and Planning team.  The team build and test each DNO Cubicle in accordance with BS EN 61439, with a fully documented client-focused Factory Acceptance Test.

Product Benefits:

  • Supplied complete with full detailed design
  • Supplied with Operations and maintenance manuals in accordance with NR/L2/SIG/ELP/27417 for ease of handover and entry into service
  • Fully built and tested in accordance with BS EN 61439 with a fully documented client focussed Factory Acceptance Test
  • Available in either GRP, mild or stainless steel enclosures 
  • Built using Network Rail approved equipment and switchgear

Product Support

All Distribution Cubicles a minimum 35-year life expectancy. RSP has an experienced team on hand to provide ongoing support pre, during and after-sales.

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