Electric Pole Transformer 5kva 24.94kv To 120v Oil Immersed Power Transformer UL cUL Listed Ansi Ieee CSA DOE 2016 Standards
Winley Electric is a professional manufacturer of pole transformers, with capacities ranging from 1 kVA to 333 kVA. Our products meet ANSI/IEEE, CSA, DOE2016, IEC, and other standards and have obtained UL/cUL certifications.

Overview
Compact 5 kVA pole‑mounted liquid‑filled distribution transformer with an integrated outdoor‑rated resistor cabinet housing Post Glover DB0900‑HNSXA dynamic braking resistors (5.2 Ω, 55 A, 16 W continuous), Designed to ANSI/IEEE, CSA and DOE 2016 standards.


Main data
| Transformer Type | Overhead Grounding Distribution Transformer |
| Phase | Single Phase |
| Capacity | 5 KVA |
| Primary Voltage | 24940Y/14400 |
| Secondary Voltage | 120V (L-N) |
| Frequency | 60 Hz |
| Temperature Rise | 65°C |
| Maximum Short Circuit Capacity | 40 times the rated current |
| Power Resistor | 5.2Ω, 55A, 16W Cont. Rating |
| Resistor Cabinet | Outdoor rated enclosure with Louver, Drip Hood, and Terminal Block |
| Insulation Rating | Class E Insulation - 120°C, 248°F |
| Cooling Class | ONAN; Self-Cooled |
| Primary Conductor Size | ≥ 4 AWG |
| Secondary Conductor Size | ≥ 2/0 AWG |
| Efficiency Standard(s) | Meets DOE 2016 Standards, Meets CSA Standards Meets ANSI/IEEE Standards |
| Winding Material | Copper |
| Ambient Temperature Rating | 40°C |
| Ambient Operating Temperature Range | -40°C to +40°C (-50°F to +104°F) |
| Sound Level | 48 dBA |
Power Resistor cabinet
The transformer features an integrated outdoor‑rated resistor cabinet housing Post Glover DB0900‑HNSXA dynamic braking resistors (5.2 Ω, 55 A, 16 W continuous) designed to withstand fault conditions up to 40× the rated current, tin‑plated terminals accepting copper or aluminum conductors, and a louvered, drip‑hood enclosure with terminal block and dedicated grounding strap for secure outdoor service.

Features
Technical drawings


Ratings
Specifications
| 10kva-500kva Single-phase oil immersed transformer | ||||||
| Rated Cap acity(kVA) | High | Low Voltage(v) | Connection Symbol | Standard | Short-circuit impedance(%) | Efficiency |
| Voltage(v) | (%) | |||||
| 10 | 4160 7200 12000 12470 13200 13800 19920 24940 34500 |
110 220 230 400 480 |
II0,II6 | IEEE/ANSI/ DOE/CSA | 1.0-4.5% | 98.7 |
| 15 | 98.82 | |||||
| 25 | 98.95 | |||||
| 37.5 | 99.05 | |||||
| 50 | 99.11 | |||||
| 75 | 99.19 | |||||
| 100 | 99.25 | |||||
| 167 | 99.33 | |||||
| 250 | 99.39 | |||||
| 333 | 99.43 | |||||
| 500 | 99.49 | |||||
Production process

FAQ
