Transformers &
electrical equipment.

Electrical configuration

• 60 Hz configurations for North American inquiries.
• Specify secondary voltage, connection, BIL and impedance.
• Loop or radial feed; dead-front or live-front arrangements depend on the selected series.

Mechanical & protection options

• Mineral oil or ester fluid, taps, fusing and loadbreak switching.
• Copper or aluminum windings by product series.
• Specify enclosure material, cable entry, gauges and site clearances.

Single-phase pad-mounted

• Ground-level cabinet for underground distribution.
• Specify phase-to-ground primary voltage and system connection.
• Common secondary requests include 120/240 V and 240/480 V.
• Select loop/radial arrangement, bushing interface, fusing and taps.

Pole-mounted

• Conventional and self-protected configurations.
• 15-kV and 35-kV class options by series.
• 50 Hz or 60 Hz designs; specify the required frequency.
• Protection may include arresters, fuses and secondary breakers.

Reference specification sheet

225 kVA ventilated dry-type reference (PDF)

Additional dry-type designs

• Isolation and non-encapsulated dry-type transformers.
• Amorphous-core, split-winding and wind-application dry-type designs.
• Separate 50 Hz designs for international project requirements.

Specify the installation

• Indoor/outdoor enclosure, ventilation, sound limit and ambient conditions.
• Load profile, harmonics, taps, impedance and winding material.

Distribution & power

• Liquid-filled distribution and substation transformers.
• On-load tap-changing designs; amorphous and wound-core designs.
• High-overload designs with a defined duty and temperature-rise requirement.

Special applications

• Solar and energy-storage step-up duties.
• Furnace, rectifier and Scott-connected transformers.
• Mining and explosion-protected configurations, matched to the location classification.

Choose the equipment format

• Metal-clad breaker lineups and metal-enclosed load-interrupter equipment.
• Gas-insulated and solid-insulated ring main units.
• Outdoor and pad-mounted distribution configurations by project.

International project series

• Separate IEC-style lineups at 12, 24 and 40.5 kV are represented in the range.
• These include 50 Hz configurations; select frequency and standards for the destination.
• RMU insulating media and switching functions vary by series.

Switchboards & panelboards

• Main distribution, feeder distribution and lighting applications.
• Panelboard branch devices up to 800 A in the referenced series.
• Specify breaker arrangement, metering, neutral/grounding and enclosure.

Motor control centers

• Starter sections, cable compartments and maintenance access.
• VFD and intelligent-control requirements can be reviewed with the motor list.
• Bus rating, fault rating, wiring arrangement and controls are confirmed for the offered lineup.

Packaged arrangements

• Compact substations, modular stations and containerized electrical buildings.
• Unit-substation and skid-mounted arrangements are reviewed as integrated configurations.

Distribution support

• Busway: 250-6,300 A and up to 690 V in the represented 50/60 Hz series.
• Metal, SMC and PC metering enclosures; pole-mounted distribution cabinets.

Power quality & auxiliary power

• Active harmonic filters, static VAR generators and harmonic-resistant LV power capacitors.
• DC control-power cabinets for protection and control systems.

Solar & distributed energy

• PV grid-connection cabinets, energy routers and control gateways.
• Step-up transformer configurations for solar and storage interfaces.
• PV cleaning robots, selected for the array and site conditions.

Charging & battery handling

• Bidirectional vehicle charging equipment.
• Battery-swap cabinets matched to the battery platform.
• System voltage, power, connector and communications are defined for each project.

Start with the operating case

• Provide kW/kWh or discharge duration, AC/DC voltages and operating mode.
• Identify the destination, grid-connection rules, site conditions and required approvals.

Transformer components

• Bushings, insulators, iron cores, fabricated tanks and radiators.
• Insulating fluids, cooling fans and conservators.
• Relays, temperature/oil-level/pressure gauges and pressure-relief devices.
• Fuses, tap changers and surge arresters.

Switching & monitoring

• MV vacuum, air and smart molded-case circuit breakers.
• Cable fault warning and location systems; wireless temperature monitoring.
• Distributed-energy monitoring and edge-computing terminals.

Specialist utility equipment

• Live-line connection robots, generator transfer controls and non-disconnecting metering connection devices.
• Specify installation interfaces, operating conditions and training requirements.

Cable & overhead line materials

• Hot-dip plastic-coated steel and modified polypropylene corrugated cable conduits.
• Cable supports, conductors, overhead line hardware and insulators.
• Concrete poles and project-defined mounting interfaces.

Pipelines & civil materials

• Gas: HDPE, steel, aluminum-plastic and cast-iron options by design.
• Water/drainage: ductile iron, PCCP, steel, PVC-U, PP-R, PE and stainless steel.
• Precast trenches, vaults, foundations, fences, markers, tunnel liners and jacking pipes.
• Composite and landscaped utility covers.