25kVA Low Voltage Overhead Transformer for Reliable Power Supply

Bizoe Industries is celebrated for its unparalleled expertise in meticulously aligning with and surpassing the aspirations of our valued customers, consistently delivering beyond their expectations.

Strategic Life-Cycle Cost Minimization
Howard Industries' Customer Assistance Team shines in identifying cost-saving opportunities. By utilizing cutting-edge activity-based cost analysis, our commercial and technical experts rigorously analyze all expenses throughout the transformer supply chain. They skillfully pinpoint and eradicate non-value-adding activities, allowing for substantial cost reductions.

Uncompromising Quality and Reliability in Every Transformer
The superior quality of our transformers results in significantly lower failure rates, leading to reduced operational and maintenance costs. This high quality standard also empowers our customers to reduce or even eliminate the need for incoming inspections and testing, further cutting costs.

ISO-9001 Certification
ISO-9001 stands as the highest standard in the globally esteemed ISO-9000 series, covering design, manufacturing, and service systems. This prestigious certification highlights Bizoe Powers' unwavering commitment to continual quality improvement.
At Bizoe Power, our comprehensive Quality Assurance Program is expertly designed to meet the stringent quality standards demanded by our most discerning clients. We have moved beyond traditional manufacturing-focused models to develop an integrated quality system. This system encompasses all areas of our operations, including Marketing, Engineering, Management Information Systems, Manufacturing, Shipping, and Accounting, ensuring that every product and service we provide is of
unmatched quality. Our dedication to excellence is further validated by Bizoe Powers' ISO-9001 certification, affirming our exceptional quality management system.
Enjoy unmatched durability and corrosion resistance with our finish, achieved through the use of electrostatically applied powder paint.

Experience long-lasting durability and superior corrosion resistance with our finish, expertly achieved through electrostatically applied powder paint.

Our state-of-the-art computerized final test stations perform a comprehensive suite of electrical tests before shipment, guaranteeing supreme reliability and performance.

Environmentally-Controlled Winding Facility

Designs Tailored for Optimal Performance and Cost-Efficiency
Our design philosophy is centered on delivering precisely what our customers need. This involves crafting transformers that are custom-designed to meet each client's unique specifications. Every design is meticulously tailored to fulfill customer requirements at the most competitive cost.

Single-Phase and Three-Phase Overhead Transformer Features
Bizoe Power is thrilled to present a remarkable selection of single-phase and three-phase overhead distribution transformers, crafted to perfection. Our diverse product range includes conventional units, self-protected models, and versatile step up/step-down designs, each ingeniously tailored to meet a wide spectrum of power demands.
At Bizoe, each transformer is a masterpiece of meticulous engineering, designed with unparalleled safety margins and reliability. Discover the extraordinary standard features that make our transformers stand out.
Standard Features
• Engineered to exceed the highest IEEE, NEMA, and RUS standards, wherever applicable
• Utilizes an advanced shell-type core design, available in both silicon and amorphous materials
• Features an innovative vertical triplex design tailored for three-phase transformers
• High-voltage bushings, meticulously crafted from wet-process porcelain, minimize radio interference.
Utilized at 125 kV BIL and above, these offer reduced radio interference.
• Low voltage bushings are available in molded polymer or wet-process porcelain
• Tin-plated bronze terminals ensure compatibility with both copper and aluminum connections
• Provision for essential low-voltage grounding (not applicable for step-up/step-down units)
• Ready for lightning arrester mounting provisions
• Equipped with a low-voltage ground strap
(Exclusive to 1-bushing units; unavailable on step-up/ step-down models)
• Internal secondary leads feature permanently stamped identification for straightforward paralleling
Visible cover ground is securely connected to the upper mounting bracket or coupling on the tank wall
• Comprehensive provisions for tank grounding
• Equipped with a dedicated tank ground connector
(Exclusively for 1-bushing units)
• Safety-enhancing automatic pressure relief valve for optimal safety
• High-quality mineral oil enriched with an oxidation inhibitor
• Built with robust mild steel for tank, cover, and ring construction
• Employs continuous-bead welding on lifting lugs and mounting brackets, enhancing safety and corrosion resistance
• Features a recessed tank bottom for superior scuff protection
• Durable powder-paint finish ensures exceptional abrasion and corrosion resistance
• Boasts a minimum 10 kV cover insulation for added safety
• Corrosion-resistant hardware enhances the cover-ring's durability
• Distinctive KVA marking clearly displayed on the tank
• Internal oil-level indicator mark for precise monitoring
• Precision laser-engraved nameplate adds a touch of elegance
Beyond these impressive standard features, our self-protected transformers come with an array of advanced enhancements:
• Discover our innovative low-voltage circuit breaker, equipped with a user-friendly external operating handle for enhanced safety and ease of use.
• Our durable, external tank-mounted lightning arrester offers superior protection, ensuring enhanced safety and reliability.
• Equipped with an internal high-voltage expulsion fuse, this product guarantees dependable performance in every situation.

Comprehensive Standard kVA and Voltage Ratings: Tailored to meet a range of needs and applications.
Single-Phase Conventional Transformers: Designed for efficiency and durability.
KVA Ratings (65°C Rise): A comprehensive range to suit your requirements.
0.5, 1, 1.5, 3, 5, 10, 15, 25, 37.5, 50, 75, 100, 167, 250, 333, 500, 833

High-Voltage Ratings: Engineered for flexibility and performance.

2400/4160Y or 4160GrdY/2400 through
19920/34500GrdY or
34500GrdY/19920
(60 kV through 250 kV BIL)

Low-Voltage Ratings: Optimized for a variety of applications.
120, 120/240, 240/480, or 277
(30 kV BIL)

Three-Phase Conventional or Self-Protected Transformers: Versatile and reliable for diverse applications.
KVA Ratings (65°C Rise): A versatile selection for your power needs.
30, 45, 75, 112.5, 150, 225, 300

High-Voltage Ratings: Designed for resilience and adaptability.
4160GrdY/2400 through 34500GrdY/19920 (60 kV through 150 kV BIL)

Low-Voltage Ratings: Flexible to meet specific demands.
208Y/120
480Y/277
240
480
240 with 120 mid-tap, 480 with 240 mid-tap (30 kV BIL)
Note: For additional kVA sizes, voltage ratings, features, accessories, and design standards not mentioned, please reach out to your distributor or factory representative. We're here to assist you.

Optional Features, Accessories, and Design Standards: Customize to match your needs.
• Built with a robust stainless steel tank, cover, and/or cover ring for lasting durability.
• Flexible lightning arrester options available: Choose from externally-mounted or internally-mounted under oil, standard on self-protected transformers.
• High-voltage tap switch with an easy-access external operating handle:
Options include 4-2.5% taps above normal, 4-2.5% taps below normal, 2-2.5% taps above and below normal, or taps at 13800/13200/12870/12540 for units rated 14400.
• Dual high-voltage switch with an external operating handle for versatile and efficient control.
• Dual low-voltage switch (Available exclusively on step-up/step-down transformers).

• Interlaced low-voltage windings (Not available on step-up/step-down or three-phase transformers).
• Convenient drain valve featuring an oil sampling device for effortless maintenance.
• Precision temperature gauge for accurate monitoring and peace of mind.
• Experience precise performance with an accurate liquid level gauge, ensuring your systems operate at peak efficiency.
• Pressure/vacuum gauge: A comprehensive tool for thorough diagnostics, providing insights for optimal equipment health.
• Dedicated Wildlife Protection: Safeguarding wildlife and preserving natural habitats around your power installations.
• Overload Warning Signal Light: Instant alerts for potential overloads, ensuring the robustness and safety of your system.
• Emergency Overload Reset Handle: Exclusive to self-protected transformers, this feature allows for swift resets during overloads.
• Tank Ground Connector: Secure and reliable grounding, enhancing the safety and stability of your transformer.
(standard on 1 bushing transformers)
• Low-Voltage Winding Ground Strap: A standard feature on 1 bushing transformers, except step-up/step-down units, for optimal performance.
• Natural Ester Dielectric Fluid: Go green with eco-friendly fluid that boosts both efficiency and sustainability.
• Custom Stenciling and Labeling: Elevate your brand identity with personalized transformer labeling for easy recognition and enhanced aesthetics.
• Laser Engraved Stainless Steel Nameplate: These durable and chic nameplates offer lasting elegance and resilience.
• Rural Utilities Service (RUS) Design Standards: Rely on compliance with RUS standards for unmatched reliability in rural applications.
• Canadian Standards Association (CSA) Design Standards: Trusted adherence to CSA standards for safe and dependable operation.
• NEMA TP-1 Compliant Designs: Assure energy efficiency and top performance with designs meeting NEMA TP-1 standards.