Equipment & Systems

SF6-Free Gas-Insulated Ring Main Unit

12 kV ring main unit using dry-air / solid insulation instead of SF6, with load-break switches and fuse or VCB protection, for secondary distribution networks.

IEC 62271-200
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RangeMV Switchgear & Substations
StandardsIEC 62271-200
To quoteSend a specification, BOQ or line item — we confirm construction, standard and lead time.
SF6-Free Gas-Insulated Ring Main Unit — conceptual illustration
Overview

SF6-Free Gas-Insulated Ring Main Unit: product guide

The SF6-free ring main unit range is described as a 12 kV secondary-distribution solution using dry-air or solid insulation. Load-break switching and fuse or vacuum-circuit-breaker protection are configured to the network single-line diagram.

Applications

Typical applications

Use 1Secondary distribution ring networks
Use 2Project-specified transformer feeder protection
Use 3Distribution switching points
SelectionUse the single-line diagram to define the RMU functions. Review insulation arrangement, protection, fault duty and cable connections as one configuration before evaluating documentation.
Standards

Standards and project specifications

Reference standards listed for this product range:

IEC 62271-200

State the required standard, edition and project specification in the enquiry. Applicability depends on the selected construction and installation. A catalogue reference does not establish certification or approval for every model; identify any required certificates and test records for review.

Quotation requirements

What to send for quotation

Item 1Single-line diagram, 12 kV system requirements and panel functions
Item 2Rated current, short-circuit duty and protection philosophy
Item 3Dry-air or solid-insulation requirement and cable interfaces
Item 4Indoor/outdoor conditions, dimensions and required test documents
SpecificationAttach the BOQ, drawings or schedule, required standard and edition, and any acceptance or documentation requirements.
DeliveryState quantities, destination and requested delivery date. Include packing or handling constraints; availability and lead time are subject to quotation.
FAQ

Frequently asked questions

Does SF6-free describe one fixed RMU configuration?

No. State the insulation arrangement, switching functions and fuse or VCB protection requirements. The exact configuration, ratings and supporting test documentation need review against the network specification.

What drawings help define the RMU?

Send the single-line diagram, panel functions and cable-interface requirements with the protection scheme. Include installation conditions, space constraints and required ratings so the assembly scope can be reviewed.

What should accompany an enquiry?

Send the product requirements listed above with your specification or BOQ. Mark any items still to be decided so that construction, documentation and delivery requirements can be reviewed before quotation.

Request a Quote

Discuss your SF6-Free Gas-Insulated Ring Main Unit requirements. Include the application, specification and quantities with your enquiry.

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