Note: Capacity, primary voltage, secondary voltage, and certification requirements are customizable. Please contact us for more details and pricing.
Built for maximum efficiency and long-term reliability, this single-phase high-voltage distribution transformer helps utilities reduce energy losses and lower lifecycle costs. With robust insulation systems, optimized magnetic circuit design, and ANSI-compliant construction, it delivers consistent performance, enhanced grid stability, and years of maintenance-free operation in overhead distribution applications.
Specification
| Applicable Standard |
ANSIC57.12.20 |
| Type |
Conventional Type |
| Frequency |
60Hz, 50Hz |
| Efficiency Standard |
DOE 2016, CSA 802.1, TP1 etc |
| Core |
C.R.G.O Core & Amorphous Core |
| Winding |
Cu-Cu, Cu-Al, AI-AI |
| Taps |
No taps, ±2*2.5%, +1, - 3*2.5%, 0, - 4*2.5% etc |
| Product scope |
kVA: 5-167 |
| Primary Voltage |
2400-19920V |
| Secondary Voltage |
120-600V |
Technical Specifications

Typical Losses and Efficiency (C.R.G.O Core)
| Rating (kVA) |
HV (kV) |
Tap (%) |
LV (V) |
Loss (W) |
Dimension (mm) |
Weight (kg) |
| No Load |
Full Load |
A |
B |
C |
D |
E |
Oil Weight |
Total Weight |
| 15 |
7.97 |
±1/-3*2.5% |
120–240 |
55 |
140 |
1055 |
530 |
600 |
410 |
286 |
51 |
176 |
| 25 |
73 |
240 |
1085 |
580 |
660 |
460 |
286 |
68 |
231 |
| 37.5 |
101 |
331 |
1150 |
616 |
695 |
496 |
286 |
86 |
288 |
| 50 |
115 |
430 |
1155 |
645 |
725 |
524 |
286 |
96 |
337 |
| 75 |
152 |
600 |
1235 |
680 |
780 |
560 |
591 |
114 |
425 |
| 100 |
181 |
900 |
1240 |
730 |
860 |
610 |
591 |
144 |
504 |
| 167 |
266 |
1400 |
1450 |
900 |
950 |
660 |
591 |
197 |
753 |
| |
| 15 |
19.92 |
+0/-4*2.5% |
120–240 |
55 |
140 |
1125 |
580 |
650 |
460 |
286 |
72 |
210 |
| 25 |
73 |
240 |
1160 |
616 |
695 |
496 |
286 |
86 |
255 |
| 37.5 |
101 |
331 |
1235 |
645 |
720 |
524 |
286 |
104 |
311 |
| 50 |
115 |
430 |
1240 |
680 |
760 |
560 |
286 |
119 |
368 |
| 75 |
152 |
600 |
1305 |
730 |
830 |
610 |
591 |
148 |
485 |
| 100 |
181 |
900 |
1340 |
730 |
855 |
610 |
591 |
153 |
537 |
| 167 |
266 |
1400 |
1530 |
900 |
950 |
660 |
591 |
205 |
784 |
Typical Losses and Efficiency (Amorphous Core)
| Rating (kVA) |
HV (kV) |
Tap (%) |
LV (V) |
Loss (W) |
Dimension (mm) |
Weight (kg) |
| No Load |
Full Load |
A |
B |
C |
D |
E |
Oil Weight |
Total Weight |
| 5 |
7.62 |
±2*2.5% |
120–240 |
8 |
75 |
835 |
450 |
520 |
330 |
286 |
23 |
92 |
| 10 |
12 |
120 |
895 |
480 |
550 |
360 |
286 |
28 |
133 |
| 15 |
15 |
195 |
915 |
500 |
570 |
380 |
286 |
34 |
149 |
| 25 |
18 |
290 |
985 |
530 |
605 |
410 |
286 |
41 |
215 |
| 37.5 |
30 |
360 |
1015 |
580 |
655 |
460 |
286 |
52 |
270 |
| 50 |
32 |
500 |
995 |
645 |
720 |
524 |
286 |
66 |
318 |
| 75 |
45 |
650 |
1115 |
680 |
780 |
560 |
591 |
86 |
440 |
| 100 |
50 |
850 |
1110 |
730 |
860 |
610 |
591 |
93 |
560 |
| 167 |
65 |
1410 |
1215 |
925 |
950 |
660 |
591 |
114 |
846 |
| |
| 10 |
14.4 |
±2*2.5% |
120–240 |
12.5 |
260 |
1000 |
480 |
550 |
360 |
286 |
35 |
116 |
| 15 |
15.5 |
395 |
1020 |
480 |
550 |
360 |
286 |
35 |
129 |
| 25 |
24 |
500 |
1030 |
530 |
605 |
410 |
286 |
44 |
174 |
| 37.5 |
32 |
625 |
1080 |
580 |
650 |
460 |
286 |
59 |
231 |
| 50 |
38 |
800 |
1150 |
616 |
690 |
496 |
286 |
80 |
282 |
| 75 |
60 |
1000 |
1250 |
680 |
775 |
560 |
591 |
112 |
404 |
Feature
- Reliable Electrical Connections: The single phase pole mounted distribution transformer features high-voltage porcelain bushings with eye-bolt terminals for secure connections to copper and aluminum conductors, while improved sealing gaskets help prevent moisture intrusion.
- Superior Sealing Design: A one-piece clamping ring and precision-formed tank cover ensure uniform pressure and reliable sealing for long-term outdoor operation.
- Built-In Safety Protection: The pole mounted distribution transformer is equipped with a self-sealing pressure relief valve and ANSI-compliant mounting brackets for safe and dependable operation.
- Durable Low-Voltage Terminals: Tin-plated low-voltage terminals offer excellent corrosion resistance and stable electrical performance.
- Utility-Grade Construction: The single phase pole mounted distribution transformer features lifting lugs, grounding provisions, and rugged components for easy installation and reliable service in overhead power distribution systems.
- Long Service Life: Designed for residential, commercial, and rural distribution networks, providing low maintenance and dependable performance.
Two Type of Cores

Application
- Rural Areas & Villages: Provides reliable electricity supply to remote rural areas and villages, ensuring basic household power access.
- Residential Communities: Delivers stable and continuous power for urban and suburban residential neighborhoods, supporting daily household needs.
- Agricultural Operations: Supplies power for irrigation systems, farming equipment, and agricultural processing, improving farm productivity and efficiency.
- Small Businesses & Shops: Supports local shops, restaurants, and small commercial establishments with dependable electricity for daily operations.
- Light Industrial Facilities: Provides stable power for small factories, workshops, and light industrial equipment, ensuring smooth production activities.
- Public Infrastructure: Powers public services such as schools, parks, street lighting, and municipal facilities to support community development.

Tips: How do I choose the right pole mounted distribution transformer?
Consider the required Capacity (kVA), Primary Voltage Rating (High Voltage), Secondary Voltage Rating (Low Voltage), and Transformer Type according to your application needs. Additional key factors such as Material Requirements (core and winding materials), and Certification Requirements should also be evaluated to ensure safe and compliant installation.
For utility and rural electrification projects, selecting the proper transformer configuration ensures reliable power distribution, reduced energy losses, and long-term operational performance. This single phase pole mounted transformer is available in multiple ratings, winding materials, and core options to suit a wide range of distribution applications.