Low-voltage switchgear
Distribution, main-switch, metering, motor-control, capacitor-bank and changeover boards — fixed and withdrawable, wall-mounted and floor-standing.
Separation formFORM 4B
Operating voltage690 V
Busbar rating6300 A
EST. 1999 · SARI
LV/MV switchgear and prefabricated compact substations
Every panel, a drawing made realDesign, manufacture and commissioning for industry, power generation and distribution networks — installations where outage is not an option.
The only authorised manufacturer of prefabricated compact substations in Mazandaran province.
ISO 9001 · 14001 · 45001
TAVANIR VENDOR
TYPE-TESTED · NRI / EPIL
What we build is solved on paper first.
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Medium-voltage switchgear
Compact AIS and GIS, conventional fixed designs, and withdrawable UniSec and 8BT2 panels — with digital protection relays and remote-control capability.
InterrupterSF6 / VACUUM
EquipmentABB · SIEMENS
ProtocolDNP3
Prefabricated compact substations
A replacement for masonry substations — steel or sandwich-panel body, fixed, wheeled or two-storey. Fast to install and commission.
TransformerHERMETIC
LV panel1250 A
CertificationNiroo Research Institute
Steel structures and fabrication
Cable tray and ladder, bends and tees, industrial enclosures and machine bodies — galvanized sheet with electrostatic powder coating.
MaterialGALVANIZED
CoatingELECTROSTATIC
Paint testCROSS-CUT
Five stages, one continuous line.
Every board completes the full quality-control route before it leaves the factory.
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1
Engineering design
Load calculations, single-line drawings, take-off and shop drawings in the technical office.
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2
Enclosure fabrication
Cutting and bending galvanized sheet, welding, and electrostatic powder coating.
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3
Assembly and wiring
Equipment mounting, busbar work and control-circuit wiring.
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4
Test and inspection
Current injection, megger, hi-pot and high-voltage testing.
TYPE TEST · نیرو -
5
Installation and commissioning
Transport, site installation, final testing and handover.
The same stages, actually happening.
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02 Enclosure fabrication Cutting and bending galvanized sheet. -
03 Assembly and wiring Control-circuit wiring, every terminal labelled. -
04 Test and inspection Every board is commissioned before it ships.
Projects we have energized.
Airports, ports, treatment plants and complexes — delivered for utilities and public bodies.
Named projects are the credential — the full list lives in the archive.
View all projects
Accreditation
Documented, not claimed.
From the technical office.
Shore power for onshore equipment and ships — Noshahr Port
Shore power at Noshahr Port.
مقالات
Compact portable wheeled post (MOBILE SUBSTATION)
rn rnThe portable compact post (mobile) is a post that can be connected to vehicles and can be moved to the place of…
مقالات
Fixed compact post
rnIn many cases, the demand of the consumers is not possible through air transformers, because the capacity of the transformers is directly…
Technical enquiry
Have a project in hand?
Send us your single-line diagram or load schedule — our technical office will prepare an estimate and a technical proposal.