ZGS11
SHENGTE
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The combination transformer, also known as the American box transformer or pad-mounted transformer, serves a vital function in cable distribution systems. It integrates high-voltage load switches and high-voltage fuses right inside the transformer enclosure. The oil tank features a fully sealed build. This design delivers strong insulation and solid heat dissipation for the transformer oil. Thanks to pad-mounted transformer's space-saving layout, light weight, and straightforward setup and care, this oil immersed three-phase transformer brings improved safety, dependability, and visual charm.
People use it a lot in city settings, housing neighborhoods, hotels, medical centers, factory sites, fuel depots, airfields, rail lines, ports, and many other open-air power delivery spots. These include outdoor pad-mounted transformers and medium voltage transformers. The pad-mounted transformer with load break switch adds extra safeguarding. Meanwhile, the options in a customized pad mounted transformer allow it to match various demands. On top of that, one can select between a pole mount vs pad mount transformer depending on the exact setup needs and available room.
Features:
Compact Design: This pad-mounted transformer has a small and space-saving build. It takes up just around one-third to one-fifth of the area that traditional European box-type substations of the same size would need. As an outdoor pad-mounted transformer, it boasts a completely sealed and insulated setup. This gets rid of the need for any insulation spacing. In turn, it provides safety and trustworthiness. At the same time, it offers great transformer operation with very little energy waste.
Advanced Transformer: The S11 type oil immersed three-phase transformer stands out for its quiet operation and strong ability to handle extra loads. It splits into three key parts: the high-voltage chamber, the low-voltage chamber, and the transformer chamber. Most often, these are set up in a “T-shaped” layout. The high-voltage section includes V-type or T-type load switches. It also has two-stage fuse safeguarding. Because of this, it works well as a pad-mounted transformer with load break switch. Moreover, it fits both loop network setups and endpoint arrangements. These options deliver adaptable and steady power delivery methods.
Enhanced Monitoring: This dependable medium voltage transformer relies on cable plugs for bringing in high-voltage lines. It can also include zinc oxide arresters to boost its protective features. Users can choose to add low-voltage metering and shunt outgoing lines based on their preferences. These additions help fulfill a range of power-sharing demands.
Flexible Connectivity: This high-voltage pad-mounted transformer handles adaptable cable linking options for different low-voltage output requirements. Plus, it can come as a customized pad mounted transformer. In that case, low-voltage metering, shunt outgoing lines, and other setups can blend in smoothly. They adjust to the needs of specific projects.
Efficient Heat Dissipation: The transformer makes use of corrugated fins to handle heat release well. These fins go through special treatments for good resistance against rust. It comes in several forms and builds. Material choices include regular steel sheets, stainless steel, and more. All this makes it a great pick for ongoing outdoor power needs.



| Model | Rated Capacity (KVA) | Rated Voltage (KV) | Connection Method | No-load Loss (W) | Load Loss (W) | No-load Current (%) | Short Circuit Impedance (%) | ||
| High Voltage | Voltage Regulation Range | Low Voltage | |||||||
ZGS11-100 | 100 | 6 6.3 10 10.5 11 | ±5% ±2×2.5% | 0.4 | Yyn0 Dyn11 | 200 | 1580/1500 | 1.8 | 4 |
ZGS11-125 | 125 | 240 | 1890/1800 | 1.7 | 4 | ||||
ZGS11-160 | 160 | 270 | 2310/2200 | 1.6 | 4 | ||||
ZGS11-200 | 200 | 340 | 2730/2600 | 1.5 | 4 | ||||
ZGS11-250 | 250 | 400 | 3200/3050 | 1.4 | 4 | ||||
ZGS11-315 | 315 | 480 | 3830/3650 | 1.4 | 4 | ||||
ZGS11-400 | 400 | 570 | 4520/4300 | 1.3 | 4 | ||||
ZGS11-500 | 500 | 680 | 5410/5150 | 1.2 | 4.5 | ||||
ZGS11-630 | 630 | 810 | 6200 | 1.1 | 4.5 | ||||
ZGS11-800 | 800 | 980 | 7500 | 1 | 4.5 | ||||
ZGS11-1000 | 1000 | 1150 | 10300 | 1 | 4.5 | ||||
ZGS11-1250 | 1250 | 1360 | 12000 | 0.9 | 4.5 | ||||
ZGS11-1600 | 1600 | 1640 | 14500 | 0.8 | 4.5 | ||||


Guangdong Shengte Electric Co., Ltd., based in Foshan, China, is a distinguished transformer manufacturer known for reliability and exceptional after-sales service. With over a decade of experience, we've provided high-quality, cost-efficient transformers for governmental and private sector projects worldwide, earning a reputation for excellence.
Our commitment to quality is demonstrated by meeting the rigorous standards of our German Power Utility clients, ensuring only the highest quality solutions.
Spanning 10,000 square meters, our Foshan facility is equipped with cutting-edge production and testing equipment, enabling us to offer customized solutions, including OEM and ODM services. Our product range includes oil-immersed transformers, resin cast dry-type transformers, pad mounted transformers, prefabricated substations, and more.
Certified by ILAC-MRA and CNAS, our IEC certificate underscores our dedication to international quality standards. Additionally, we hold ISO9001, CE, and Innovative Product Certifications, with active pursuit of the UL certificate to further demonstrate our commitment to global compliance.







Q1: Are you a manufacturer or trading company?
A1: Our factory covers an area of over 10000m2, we can produce 2000 more transformers each year.
Q2: Do you have the relevant certifications and test reports?
A2: Yes, we have ISO9001 and CE certification, and can provide the test reports according to IEC standard.
Q3: How long is the warranty period?
A3: It is 12 months.
Q4: Would you accept using customer's logo?
A4: Yes, we can provide OEM and ODM service.
Q5: What's the MOQ?
A5: It is 1 set.
Q6: What are the payment methods and terms?
A6: We accept T/T, Western Union, PayPal, etc. 30% advance payment before production, 70% balance payment before delivery.
Q7: How long is the delivery time?
A7: Generally it is 20-30 days, it depends on the order quantity.
Q8: What is the standard of package?
A8: Wooden case or special package according to customer's requirement.