Pad Mounted Transformer（Pad mount transformer）

Pad Mounted Transformer（Pad mount transformer）

Classification: Pad Mounted Transformer
Number of Views: 124次
Date of issue: 2026-05-14 16:05:41

Product overview:
Pad Mounted Transformer

Our pad mounted transformer integrates the following components into a single compact unit:

- Transformer

- Switchgear

- Fuse

- Tap switch

- Low voltage (LV) distribution device

- Auxiliary supporting equipment

This integrated design allows full configuration for:

- Electric energy metering

- Reactive power compensation

- Low voltage shunt

- Other customized distribution requirements

Global Markets & Services

Item	Details
Main Export Regions	USA, East Asia, Southeast Asia, and more
Customization	OEM / ODM services available
Standards Compliance	ANSI C57, IEEE, DOE, CSA, IEC 60076, GB 1094, GB 17467-2010, GB/T 14048.8.1, GB 4208

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Product advantages

Product parameters

Ordering instructions

Product advantages

Why Choose Our Three Phase Pad Mounted Transformer?
Leading Technology
• Fully enclosed & insulated structure – safe and reliable operation
• Low loss, low noise, low temperature rise
• High overload capacity & strong short-circuit withstand capability

Flexible System Integration
• Supports terminal system or ring network system
• Easy configuration switch – improves power supply reliability

Heavy-Duty Enclosure
• Material: cold-rolled, hot-dip galvanized steel
• Laser-cut CNC drilled and bent panels
• Electrostatic spray coating –30 years paint life
• Core unit: low loss oil-immersed transformer from Hengfengshuai Electric

Precision Manufacturing
• Assembly technicians: minimum 6 months training
• Secondary wiring: automatic cutting for reliable connection
• Bolt tightening: power tools with precise torque control
• Copper busbar: CNC punched and bent
• 100% pre-delivery testing

Company Advantages – Built for Global Buyers
• Certifications |ISO, CE, CB, UL |
• Quality System | SQA management – guaranteed consistency |
• Fast Response | Quick quote + electrical design support |
• Delivery | Short lead time, worldwide shipping |
• After-Sales | Complete service system |
• Customization | OEM/ODM – factory visit welcome |

Product parameters

Rated voltage: 10kV, 11kV, 13.8kV, 20kV, 33kV, 34.5kV,35kV;
Maximum operating voltage：38.5kV

Pad Mounted Transformer Technical Specification
RatedPower(KVA)	H.V(KV)	L.V（V）	Loss(W)		Dimension（CM）			Weight(KG)
			No-loadLoss (W)	On-loadLoss (W)	W	D	H	Oil Weight	Total Weight
			No-loadLoss (W)	On-loadLoss (W)	W	D	H	Oil Weight	Total Weight
75KVA	34.5KV 19.92KV 13.8KV 13.2KV 7.62KV 12.47KV 7.2KV	240V480V4 80Y/277V 600Y/347V	180	1250	1390	910	1430	120	645
112.5KVA			200	1500	1420	920	1430	138	729
150KVA			280	2200	1510	980	1530	201	989
225KVA			400	3050	1600	1000	1660	230	1195
300KVA			480	3650	1660	1080	1680	260	1415
500KVA			680	5100	1810	1160	1790	325	1905
750KVA			980	7500	2030	1300	2030	535	2755
1000KVA			1150	10300	1651	1549	1854	650	3235
1500KVA			1640	14500	2210	1470	2150	748	5835
2000KVA			2160	20645	2380	1600	2220	950	6430
2500KVA			2680	27786	2480	1650	2330	1020	8865

STANDARD COMPONENTS

Connections and neutral configurations

• Delta - Wye: Low voltage neutral shall be a fully insulated X0 bushing with removable ground strap.

• Grounded Wye-Wye: High voltage neutral shall be internally tied to the low voltage neutral and brought out as the H0X0 bushing in the secondary compartment with a removable ground strap.

• Delta-Delta: Transformer shall be provided without a neutral bushing.

• Wye-Wye: High voltage neutral shall be brought out as the H0 bushing in the primary compartment and the low voltage neutral shall be brought as the X0- bushing in the secondary compartment.

• Wye-Delta: High voltage neutral shall be brought out as the H0 bushing in the primary compartment. No ground strap shall be provided (line to line rated fusing is required).

High and low voltage bushings

• 200 A bushing wells (15, 25, and 35 kV)

• 200 A, 35 kV Large Interface

• 600 A (15, 25, and 35 kV) Integral bushings (dead-front)

Electrical-grade wet-process porcelain bushings(live-front)

Tank/cabinet features

• Bolted cover for tank access (45-2500 kVA)

• Welded cover with hand hole (>2500 kVA)

• Three-point latching door for security

• Removable sill for easy installation

• Lifting lugs (4)

• Stainless steel cabinet hinges and mounting studs

• Steel divider between HV and LV compartment

• 20" Deep cabinet (45-1000 kVA)

• 24" Deep cabinet (1500-7500 kVA)

• 30" Deep cabinet (34.5/19.92 kV)

• Pentahead captive bolt

• Stainless steel 1-hole ground pads (45-500 kVA)

• Stainless steel 2-hole ground pads (750-10,000 kVA)

• Parking Stands (dead-front)

Valves/plugs

• One-inch upper filling plug

• One-inch drain plug (45-500 kVA)

• One-inch combination drain valve with sampling device in low voltage compartment (750-10,000 kVA)

• Automatic pressure relief valve

Nameplate

• Laser-scribed anodized aluminum nameplate

Ordering instructions

When ordering, the customer should provide the following information:
• Main loop scheme diagram and secondary loop system diagram.
• Electrical schematic diagram of auxiliary circuit and wiring terminal layout
• Equipment layout drawing, combination drawing, floor plan drawing.
• Brand, model, specification and quantity of main electrical components of the equipment.
• Incoming and outgoing lines and cable specifications.
• Equipment surface color (RAL chromatography).
• Other special requirements can be negotiated with Hengfengshuai Electric