Transformers & Switchgear — Saudi Arabia

Transformers & Switchgear Supplier Saudi Arabia — Distribution Transformers, MCCBs & LV Switchgear In Stock

Gulf Union Ozone supplies a comprehensive range of power transformers and LV/MV switchgear for industrial, commercial, and utility substations across Saudi Arabia. Our electrical power inventory covers distribution transformers (oil-immersed ONAN, 50 kVA to 2500 kVA, 11kV/33kV primary, SEC-approved ratings), dry-type cast resin transformers (25 kVA to 2500 kVA, AN/AF cooling, IP21–IP54 for indoor switchrooms), moulded case circuit breakers (MCCBs, 100A to 3200A, Icu up to 100 kA at 400V, IEC 60947-2), miniature circuit breakers (MCBs, 1A to 125A, Type B/C/D, IEC 60898) and HRC fuses (DIN 000–3, BS88), LV distribution boards and Form 4 Type 7 panels, motor control centres (MCCs), and MV switchgear including vacuum circuit breakers (VCB, 11kV and 33kV) and ring main units (RMU) to IEC 62271 for industrial substation applications at Saudi Aramco, SABIC, and major Saudi industrial clients. ISO 9001:2015 certified (CR 4030570569). Same-day dispatch from our Jeddah warehouse.

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Distribution transformers, MCCBs and LV switchgear stocked in Jeddah Saudi Arabia — Gulf Union Ozone
StandardsIEC 60076 · IEC 62271 · IEC 60947 · SEC specs
Voltage RangesLV 400V · MV 11kV–33kV
TypesDistribution · Dry-Type · Oil-Immersed
DispatchSame-day from Jeddah
QualityISO 9001:2015
Transformer & Switchgear Categories

Product Types in Stock

Gulf Union Ozone carries six core categories of power transformers and LV/MV switching and protection equipment for industrial substations, plant electrical rooms, and distribution networks across Saudi Arabia. All equipment is supplied with IEC type test reports, routine test certificates, and SEC compliance documentation.

Type 01

Distribution Transformers (Oil-Immersed)

Oil-immersed distribution transformers for outdoor padmount, ground-mounted, and pole-mounted substations across Saudi Arabia. Ratings from 50 kVA to 2500 kVA; primary voltages 11 kV and 33 kV; secondary 415/240V, 50 Hz; vector group Dyn11 as standard (Dyn1 available on request). Cold-rolled grain-oriented (CRGO) silicon steel core for low no-load losses and reduced iron loss in the Saudi Arabia 50°C ambient environment. Cooling type ONAN (oil-natural, air-natural) — the standard for SEC-approved outdoor substations. Hermetically sealed and conservator-type designs; hermetically sealed eliminates breathing and moisture ingress in coastal Jeddah and high-humidity Red Sea coast locations. Off-circuit tap changer (OCTC) ±2×2.5% standard; on-load tap changer (OLTC) available for voltage-sensitive industrial loads. Routine test certificates (IEC 60076): turns ratio, vector group, insulation resistance, resistance, no-load loss and current, load loss and impedance, dielectric tests. SEC type approval documentation supplied for all ratings.

Type 02

Dry-Type Transformers

Cast resin dry-type transformers for indoor switchrooms, commercial buildings, and locations where oil-filled transformers are prohibited by fire safety regulations (Saudi Building Code, NFPA 13) in Saudi Arabia. Ratings from 25 kVA to 2500 kVA; primary 11 kV; secondary 415V, 50 Hz; encapsulated epoxy resin windings. Cooling classes: AN (air-natural, no forced ventilation required for ratings up to 1250 kVA), ANF (air-natural with forced fan cooling for higher ratings or ambient derating). Enclosure IP21 for indoor ventilated switchrooms, IP31 for sites with airborne dust and insects (common at industrial sites in Saudi Arabia), and IP54 for protected outdoor or semi-outdoor installation. Class F insulation (155°C maximum temperature). Short-circuit withstand to IEC 60076-11. Isolation transformers (1:1) for sensitive electronic and medical equipment supply, and autotransformers for soft-start motor applications also stocked. Factory test reports: turns ratio, insulation resistance, resistance, no-load loss, load loss, temperature rise type test, dielectric tests per IEC 60076-11.

Type 03

Moulded Case Circuit Breakers (MCCBs)

Moulded case circuit breakers for LV distribution boards, motor control centres, and sub-distribution panels at 400V, 50 Hz across Saudi Arabia industrial and commercial facilities. Current ratings from 100A to 3200A (4 frame sizes). Rated ultimate short-circuit breaking capacity (Icu) from 25 kA to 100 kA at 415V to IEC 60947-2 — matching the prospective short-circuit current available from 100 kVA to 2500 kVA distribution transformers in Saudi Arabia substations. 3-pole and 4-pole configurations (4-pole for TN-S and IT earthing systems). Fixed and plug-in (withdrawable) versions for MCC applications. Trip mechanisms: thermal-magnetic adjustable release (Ir 0.7×In to 1×In, Im 5–10×In) for standard distribution. Electronic (microprocessor) trip unit with adjustable LSIG protection and Modbus communication for energy metering and zone-selective interlocking (ZSI) in process plant electrical rooms. Motor protection MCCBs with adjustable overload (0.4–1×In) and magnetic trip. RCD (RCCB) modules with 30mA, 100mA, and 300mA sensitivity for earth leakage protection at KSA site offices and camp facilities.

Type 04

Miniature Circuit Breakers (MCBs) & Fuses

Miniature circuit breakers for final distribution circuits, control panels, and LV distribution boards at 230V/400V, 50 Hz in Saudi Arabia. Current ratings from 1A to 125A; Type B (general lighting and heating circuits, 3–5×In magnetic trip), Type C (inductive loads and fluorescent lighting with high inrush, 5–10×In), and Type D (high inrush motors, transformers, capacitors, 10–20×In). 1-pole, 2-pole, 3-pole, and 4-pole configurations. IEC 60898-1 and IEC 60947-2 rated. Residual current device (RCD) add-on modules for 30mA earth leakage protection on socket outlet circuits. Din-rail mounted, 17.5mm modular pitch, compatible with standard Saudi Arabia and GCC distribution board assemblies. HRC fuse links: DIN 00, DIN 0, DIN 1, DIN 2, DIN 3 (gG general purpose, aM motor protection, aR semiconductor protection); ratings from 10A to 1250A. BS88 HRC fuses (A2 to A4 fuse bases) for existing British-standard distribution boards in KSA industrial plants and facilities. Fuse bases, fuse carriers, and fuse cover handles stocked in matching sizes.

Type 05

LV Distribution Boards & Panelboards

Low voltage switchgear assemblies for industrial and commercial power distribution in Saudi Arabia. IP41 flush and surface-mounted distribution boards for office, commercial, and light industrial applications — single-phase and three-phase, MCB-populated or blank. IP65 weatherproof distribution boards for outdoor and process plant use in the corrosive Saudi coastal environment. Form 4 Type 7 LV switchgear assemblies (internal separation between functional units) for process industry MCC and main LV panel applications — busbar chambers up to 6300A, incomer breaker up to 3200A, outgoing MCCB and fuse-switch feeder units, measurement and metering sections, capacitor bank connections. Motor control centres (MCCs) designed to IEC 61439-1 with withdrawable VFD (variable frequency drive), soft starter, and DOL starter combinations. Power factor correction panels (PFC / capacitor banks) for industrial loads on the Saudi Electricity Company (SEC) tariff — reduces reactive power penalty charges. Intelligent PDUs (power distribution units) with per-outlet metering for data centre and UPS applications across KSA.

Type 06

MV Switchgear

Medium voltage (MV) switchgear for 11 kV and 33 kV industrial substation applications at Saudi Aramco, SABIC, and major Saudi industrial clients. Vacuum circuit breakers (VCB): 11 kV and 33 kV, rated normal current 630A to 3150A, short-circuit breaking capacity 25 kA to 50 kA, fixed and withdrawable designs; IEC 62271-100. VCBs with spring-operated, motor-charged mechanism for local and remote operation. Protection relay interfaces (IEC 61850 GOOSE, Modbus) for integration with substation automation systems. Ring main units (RMU): SF6-insulated compact switchgear for 11 kV ring-main distribution — standard configurations include 2 ring switches + 1 transformer feeder (2R+T) and 3 ring switches + 1 feeder. Air-insulated switchgear (AIS) for open-air 33 kV substations with disconnectors, earthing switches, and current and voltage transformers (CT/VT). Load break switches (LBS) for 11 kV feeder switching. MV switchgear type test reports to IEC 62271 and SEC ESD (Electricity Service Department) approval documentation available for all products stocked.

Product Catalog

Complete Transformer & Switchgear Range — 25+ Products

Representative stock lines for Saudi Arabia power distribution requirements. All transformers and switchgear supplied with IEC type test reports, factory routine test certificates, and SEC compliance documentation. ISO 9001:2015 QMS (CR 4030570569). Contact us with your kVA rating, voltage, standard, and application for a tailored recommendation.

Product Rating / Current Voltage (Primary / Secondary) Standard / Cooling Application
Distribution Transformer — Oil-Immersed, Hermetic, CRGO 100 kVA 11 kV / 415 V Dyn11 IEC 60076 / ONAN / SEC-approved Outdoor padmount substation, small industrial facility KSA
Distribution Transformer — Oil-Immersed, Hermetic, CRGO 250 kVA 11 kV / 415 V Dyn11 IEC 60076 / ONAN / SEC-approved Commercial building, light industrial substation, Saudi Arabia
Distribution Transformer — Oil-Immersed, CRGO, OCTC 500 kVA 11 kV / 415 V Dyn11, ±2×2.5% IEC 60076 / ONAN / SEC-approved Medium industrial plant, warehouse, logistics substation
Distribution Transformer — Oil-Immersed, Conservator, CRGO 1000 kVA 11 kV / 415 V Dyn11 IEC 60076 / ONAN / SEC-approved Heavy industrial plant, food processing, large commercial KSA
Distribution Transformer — Oil-Immersed, CRGO, 33kV primary 1600 kVA 33 kV / 415 V Dyn11 IEC 60076 / ONAN / SEC-approved Major industrial substation with 33 kV SEC supply KSA
Distribution Transformer — Oil-Immersed, CRGO, 33kV primary 2500 kVA 33 kV / 415 V Dyn11 IEC 60076 / ONAN / SEC-approved Large industrial complex, pumping station, Saudi Aramco intake
Dry-Type Cast Resin Transformer — AN cooling, IP21 100 kVA 11 kV / 415 V Dyn11 IEC 60076-11 / AN / Class F insulation Indoor switchroom, commercial building, fire-sensitive area KSA
Dry-Type Cast Resin Transformer — AN cooling, IP31 500 kVA 11 kV / 415 V Dyn11 IEC 60076-11 / AN / Class F insulation Industrial switchroom, petrochemical control building, hospital KSA
Dry-Type Cast Resin Transformer — ANF cooling, IP54 1600 kVA 11 kV / 415 V Dyn11 IEC 60076-11 / ANF forced cooling / Class H insulation Large indoor substation, airport, data centre, refinery control room
Isolation Transformer — Dry-Type, 1:1, IP21 10–200 kVA 400V / 400V, 1:1 ratio IEC 60076-11 / AN Medical IT systems, UPS, sensitive electronic equipment supply KSA
MCCB — 3-pole, thermal-magnetic, Icu 25 kA 100A–250A 400V AC, 3-pole IEC 60947-2 / Icu 25 kA at 415V Sub-distribution boards, small motor feeders, LV panels KSA
MCCB — 3-pole, thermal-magnetic, Icu 50 kA 250A–630A 400V AC, 3-pole IEC 60947-2 / Icu 50 kA at 415V Main distribution board feeder, MCC incomer at 500 kVA transformer
MCCB — 4-pole, electronic trip, Icu 65 kA, Modbus 630A–1600A 400V AC, 4-pole, TN-S / IT earthing IEC 60947-2 / Icu 65 kA / LSIG protection Main LV board incomer at 1000–1600 kVA transformer, Saudi industrial plant
MCCB — 3-pole, motor protection (adjustable overload), Icu 36 kA 100A–250A 400V AC, 3-pole IEC 60947-2 + IEC 60947-4-1 motor protection Direct motor protection for pumps and compressors 45–160 kW
MCCB — 4-pole, 3200A, plug-in, Icu 100 kA 2500A–3200A 400V AC, 4-pole, plug-in (withdrawable) IEC 60947-2 / Icu 100 kA at 415V Main incomer at 2500 kVA transformer LV panel, Saudi Aramco substation
MCB — 1-pole, Type C, 6kA 6A–63A 230V AC, 1-pole IEC 60898-1 / Icu 6 kA Lighting and socket circuits in Saudi Arabia site offices and buildings
MCB — 4-pole, Type C, 10kA 6A–125A 400V AC, 4-pole IEC 60947-2 / Icu 10 kA 3-phase sub-circuits, small HVAC units, control panel feeders
HRC Fuse Link — DIN 00 gG (general purpose) 25A–160A 500V AC IEC 60269-1 / DIN 00 gG General distribution circuit protection in LV boards across KSA
HRC Fuse Link — DIN 2 gG (general purpose) 160A–400A 500V AC IEC 60269-1 / DIN 2 gG Feeder and bus fusing in sub-distribution boards
LV Distribution Board — IP41, 3-phase, 12-way 100A incomer 400/230V, 3-phase 4-wire IEC 61439-3 / IP41 surface-mounted Office, light industrial, and site office distribution KSA
LV Distribution Board — IP65 weatherproof, 3-phase 200A incomer 400/230V, 3-phase 4-wire IEC 61439-3 / IP65 GRP or steel Outdoor process plant, coastal and desert industrial sites KSA
Form 4 Type 7 LV Main Panel — busbar 2500A, MCCB incomer 2500A busbar 415V, 3-phase + N + E IEC 61439-1 Form 4 Type 7 / IEC 60947 Main LV board at 1600–2500 kVA transformer substation, process industry
Motor Control Centre (MCC) — withdrawable VFD + DOL starters Configured to project 415V, 3-phase IEC 61439-1 / IEC 61439-2 / NEMA 1 Pump, compressor, fan, and conveyor motor control at Saudi industrial plant
Vacuum Circuit Breaker (VCB) — 11 kV, withdrawable 630A / 1250A 11 kV, 3-pole IEC 62271-100 / Icu 25 kA 11 kV incomer and feeder protection at industrial substation KSA
Vacuum Circuit Breaker (VCB) — 33 kV, fixed, spring-operated 1250A / 2500A 33 kV, 3-pole IEC 62271-100 / Icu 31.5 kA 33 kV bus section and feeder protection — major industrial substation
Ring Main Unit (RMU) — SF6, 2R+T, 11 kV 630A ring / 200A transformer feeder 11 kV, compact indoor/outdoor IEC 62271-200 / SF6-insulated 11 kV ring-main distribution network — industrial estates KSA
Power Factor Correction Panel — LV capacitor bank 50–1000 kVAr 415V, 3-phase, automatic (target cosφ 0.95) IEC 60831-1 / IEC 61439 / SEC tariff compliance Reactive power correction for SEC tariff PF penalty reduction KSA
Why Us

Why Industrial Buyers in Saudi Arabia Choose Gulf Union Ozone for Transformers & Switchgear

⚡

Same-Day Dispatch from Jeddah

MCCBs, MCBs, fuses, LV distribution boards, and MV switchgear components stocked in Jeddah and dispatched same-day to any KSA region. Transformers supplied from local stock or on short lead time for project-critical schedules.

📄

IEC Type Tests & SEC Documentation

Every transformer and switchgear product is supplied with IEC type test reports, factory routine test certificates, SEC compliance documentation, and material traceability — documents required for substation handover to Saudi Electricity Company and client commissioning records.

🎍

ISO 9001:2015 Certified Quality

Gulf Union Ozone is ISO 9001:2015 certified (CR 4030570569), Jeddah, Saudi Arabia — giving electrical procurement engineers and EPC project managers confidence in product traceability, quality management, and documentation control on every switchgear and transformer order.

🗺

Nationwide KSA Delivery

Delivery to all 18 Saudi regions including Jubail Industrial City, Yanbu Industrial City, Dammam, Riyadh, Ras Tanura, Jizan, and Tabuk. Transformers transported on flatbed with lifting drawings and installation manuals. Bulk MCCB and MCB project quantities with lot traceability for commissioning records.

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CR 4030570569 | ISO 9001:2015 | Jeddah, Saudi Arabia

Inventory updated: August 2026

In Summary

Gulf Union Ozone Trading Co. supplies Transformers & Switchgear to industrial customers across Saudi Arabia with delivery from our Jeddah warehouse — all products ship with original certificates and compliance documentation for Aramco, SABIC, and government projects.

In Summary

Transformers & Switchgear from Gulf Union Ozone serves Saudi Aramco operations, SABIC, SADARA, SEC utilities, NEOM mega-projects, and major industrial facilities across the Kingdom — our inventory covers the most common specifications and ratings.

In Summary

Gulf Union Ozone stocks a comprehensive range of Transformers & Switchgear — contact us for immediate availability confirmation and a competitive quotation with full compliance documentation and MTC traceability.

In Summary

For urgent Transformers & Switchgear procurement in Saudi Arabia, WhatsApp +966 55 098 8062 — our team confirms stock availability within the hour and provides competitive quotations with full compliance documentation for all industrial sectors.