ZETWERK
TRANSFORMERS

Zetwerk delivers complete transformer solutions through Unimacts, powered by KRYFS’ 40-year legacy in core and tank manufacturing. We combine engineering depth, precision fabrication, and global scale to deliver bankable, high-performance transformers worldwide.

Through Unimacts and KRYFS, Zetwerk offers end-to-end manufacturing—CRGO core cutting, coil winding, tank fabrication, and testing. Vertically integrated facilities ensure consistent quality, shorter lead times, and compliance with IEC/ANSI/ISO standards.

Our transformers are engineered for efficiency, thermal stability, and long-term reliability. KRYFS-backed core technology and Zetwerk’s automated processes ensure precision performance and proven durability—every unit built through Unimacts delivers lasting value.

BUILD YOUR NEXT TRANSFORMER PROJECT WITH ZETWERK

From core engineering to final assembly, Zetwerk delivers type-tested transformers built for reliability, efficiency, and long-term grid performance. Partner with us to accelerate your next power project—with shorter lead times and complete manufacturing control.

Zetwerk Transformers – Product Portfolio

Zetwerk supplies a complete range of transformers—Distribution, Power, Pad-Mounted, Dry-Type, Oil-Filled, and Inverter-Duty—each built on KRYFS-engineered cores and Unimacts’ global manufacturing excellence.

DISTRIBUTION TRANSFORMER

Compact, efficient, and durable units with hermetic or corrugated tank designs. Built with KRYFS-fabricated cores for optimized performance, low losses, and long-term reliability.

10 kVA – 5 MVA | Up to 33 KV

POWER TRANSFORMER

Engineered and type-tested for reliable grid operations. Built through Unimacts with KRYFS-manufactured cores and tanks, ensuring voltage control, minimal losses, and long-term operational stability.

15-500 MVA | Up to 765 KV

Dry-Type Transformers

Fire-safe and maintenance-free, suited for indoor and sensitive-site applications. Produced with vacuum pressure impregnated (VPI) windings ensuring high dielectric strength and reduced noise.

10 KVA-5 MVA | Up to 33 KV

Inverter duty transformer

Designed for solar and wind farm integration, with multi-winding, low-loss configurations that enhance energy efficiency and renewable uptime.

1-18 MVA | 0.6-66 kV

Pad mounted transformer

Tamper-proof, oil-filled enclosures designed for safe and compact power distribution. Ideal for renewable, urban, and commercial installations, compliant with IS 14786 / IEC 61330 standards.

Up to 10 MVAA | Up to 33 kV

Oil Filled Transformer

High-capacity, ester-oil designs ensuring superior cooling, insulation, and operational life. Type-tested for 50 MVA, 220 kV performance reliability.

Up to 160 MVA | Up to 220 kV

SWITCHYARD SOLUTIONS

Zetwerk provides a full range of switchyard and protection components through Unimacts and KRYFS: isolators, surge arresters, RIP bushings, CT/PTs, and insulators up to 765 kV—all engineered for endurance, safety, and consistent field reliability.

Protection Equipment

Disconnector-Isolator (34.5kV-765 kV)
Surge/Lightning Arresters (11kV-850 kV)
RIP Bushings (up to 420 kV)
Porcelain Insulators (34.5 kV-765 kV)

Measurement Solutions

Outdoor Oil Cooled Instrument Transformers (500 kV)
Combined CT/PT Units (36 kV)
Indoor Resin Cast CT/PT (36 kV)
Precision measurement capabilities

Distribution Components

Pin & Post Insulators (11 kV)
Polymer Insulators (34.5 kV)
Load ratings: 5 kN to 120 kN
Weather-resistant designs

THE ZETWERK MANUFACTURING DIFFERENCE

Zetwerk delivers bankable speed and reliability through Unimacts and KRYFS. Integrated design, global sourcing, and strict QA ensure every transformer meets project specs—on time, on budget, and with complete traceability.

PROJECT MANAGEMENT

Zetwerk provides dedicated tracking from PO to delivery. Real-time dashboards, QA milestones, and collaborative updates keep every Unimacts/KRYFS project transparent and predictable.

TOOLING DESIGN

Advanced tooling developed through Unimacts and KRYFS enables tighter tolerances and repeatable accuracy. Precision jigs and fixtures improve energy efficiency and production consistency across every transformer.

FAIR APPROVAL

Each part undergoes FAIR validation to eliminate deviation. Through Unimacts and KRYFS, Zetwerk ensures mechanical precision, electrical integrity, and zero rework before full-scale production begins.

MANAGED INVENTORY FOR JIT

Through Unimacts, Zetwerk and KRYFS offer global logistics and just-in-time supply. Controlled inventories guarantee on-demand deliveries and optimized project flow even under volatile market conditions.

GET A QUOTE FOR INVESTMENT CASTING SERVICES

Zetwerk is your one-stop solution for complete end-to-end contract manufacturing and distribution. We provide:

Unlimited manufacturing capacity, which decreases risk and improves your ability to respond to demand fluctuations
Global raw material sourcing to protect cost and supplier resiliency
Secondary processing, including anodizing, powder coating, and CNC machining
Assembly, packaging, and distribution
Quality control – AS 9100D & ISO 9001:2015 certified
Vendor managed inventory to optimize material availability
Supply chain management for efficient raw material conversion
Project management for a hands-free experience, with weekly updates for project and timing accountability

Experience the difference Zetwerk makes in your manufacturing process. Request a quote today for investment casting services or any other manufactured component.

ZETWERKTRANSFORMERS