Reliable Transformer Spades - Spade Terminals of Aluminium for Electrical Systems
Conex’s Transformer Spades – Spade Terminals of Aluminium are engineered for secure and efficient electrical connections, offering corrosion resistance and precision performance.
High-quality Transformer Spades – Spade Terminals of Aluminium by Conex, delivering reliable, durable, and secure electrical connections for transformers and power systems.
At Conex Aluminium Components, we manufacture **Transformer Spades – Spade Terminals of Aluminium** designed to meet the demands of transformers and power distribution systems. Made from premium-grade aluminium, these spade terminals offer excellent conductivity, lightweight durability, and resistance to corrosion in challenging environments. Suitable for industrial, commercial, and utility applications, these components ensure secure and reliable electrical connections. With a wide variety of sizes and configurations available, Conex also offers customization options to meet specific project requirements, ensuring superior performance and long-lasting reliability.
Transformer Spades – Spade Terminals of Aluminium are used connecting transformer conductors to busbars, cables or distribution equipment through a flat multi-hole terminal interface. Their design must match transformer rating, conductor system, equipment interface, environmental exposure and the applicable utility or project specification.
Selection should consider conductor material and range, current and fault duty, terminal or stud pattern, clearances, compartment space, hardware and installation method. A controlled equipment-interface drawing prevents fit and assembly errors.
Aluminium provides useful conductivity at low weight and can be cast or machined into compact multi-connection geometries. Alloy, contact area, surface preparation, plating or inhibitor system and hardware are designed together for stable electrical performance.
Yes. Conex manufactures transformer spades – spade terminals of aluminium to customer drawings and application requirements. Dimensions, interfaces, material, finish, identification, inspection and packaging can be tailored after an engineering review, subject to process capability and order quantity.
A mixed-metal connection may be possible with a compatible plated, bimetallic or transition design. Galvanic corrosion, oxide control, joint compound, hardware and environmental sealing must be addressed for the specific interface.
State conductor material, nominal size, strand class, number of conductors, terminal-pad dimensions, stud or hole pattern and required orientation. Cable bending space and electrical clearances should also be shown on the equipment drawing.
Adequate conductive cross-section, clean contact surfaces, controlled pressure and protection from oxidation are essential. Barrel, pad, screw or bolt geometry and the specified assembly torque are validated as one connection system.
Phase-to-phase and phase-to-ground clearances, creepage paths, cable bend radius, tool access and enclosure boundaries must meet the equipment voltage class and applicable standards. Compactness should not compromise installation or inspection access.
Suitability depends on compartment sealing, moisture, pollution, temperature cycling, coating, hardware and joint protection. Service conditions should be identified so corrosion control and drainage can be incorporated into the approved design.
Installation should follow the transformer, connector and utility instructions for conductor preparation, insertion, compound, tightening sequence and torque. Trained personnel should use calibrated tools and verify seating, clearance and final joint condition.
Checks can include material, dimensions, conductor interfaces, threads, hole pattern, coating and visual condition. Resistance, temperature-rise, mechanical, thermal-cycle or fault-duty tests should be defined by the applicable qualification plan.
For an accurate quotation, provide a controlled drawing or 3D model, material or alloy requirement, critical dimensions and tolerances, finish, order quantity, annual demand, application and any inspection or documentation needs. Conex reviews manufacturability before confirming tooling, process route, lead time and commercial terms.
Transformer spades are usually supplied with NEMA hole patterns: two, four, six, eight or more 9/16 in holes on 1-3/4 in centres, matching IEEE C57.12.34 secondary terminal requirements. Custom patterns can be produced to the transformer drawing.
Common stud threads are 5/8-11 UNC, 1-14 UNS and 1-1/8-12 UNF, with metric equivalents for IEC transformers. The internal thread is gauged to 2B class to ensure a secure fit on the bushing stud.
Tin plating is recommended when spades connect to copper conductors or copper-bodied connectors and in corrosive environments. It provides a stable contact surface and reduces galvanic corrosion between aluminium and copper.
Need Transformer Spades - Spade Terminals of Aluminium? Get a Fast, Detailed Quotation
Send your drawing (STEP, IGES, DWG, DXF or PDF) with material grade, finish and quantity. Our engineers reply with a DFM review, price and lead time. MOQ 10 pcs • ISO 9001:2015 • Exports to USA, UK, Europe, Canada & Australia.
