Medium-Voltage Switchgear
HXGN17-12 12kV Ring Main Switchgear
Model HXGN17-12
A compact 12 kV, 50 Hz fixed metal-enclosed ring main unit for receiving, distributing and protecting three-phase power. Can be configured for ring networks, terminal distribution and prefabricated substations.
Share your rated data, quantity and project requirements.
View this model in our 2026 catalog ↗
Project configuration reviewTechnical documentation support
Product Overview
HXGN17-12 box-type fixed metal-enclosed ring main switchgear is used for three-phase AC ring networks, terminal distribution networks, and industrial power equipment. It is commonly used for ring network distribution systems and terminal distribution networks, with the final selection based on rated data, drawings, and site conditions.
EPC companies, electrical contractors, utility project teams, panel builders, and industrial buyers can request configuration review for ring main switchgear. Please send single-line diagram, rated voltage, rated current, short-circuit level, protection scheme, busbar arrangement, and cabinet layout, quantity, destination, and any project standard requirements for quotation.
Model and Meaning
Technical Specifications
HXGN17-12 Technical Parameter Table
Review the HXGN17-12 module arrangement, rated data, and selected configuration before quotation.
| Item | Unit | Technical parameters | |
|---|---|---|---|
| FN12-12 | FZN25-12 | ||
| Rated voltage | kV | 12 | 12 |
| 1 min power frequency withstand voltage | kV | 42 to ground and phase-to-phase; 48 to isolation break | 42 to ground and phase-to-phase; 48 to isolation break |
| Lightning impulse voltage (peak value) | kV | 75 to ground and phase-to-phase; 85 to isolation break | 75 to ground and phase-to-phase; 85 to isolation break |
| Rated frequency | Hz | 50 | 50 |
| Load switch – Rated current | A | 630 | 630 |
| Load switch – Electric life under rated current | time | 100 | 100 |
| Load switch – No-load transformer breaking capacity | kVA | Not less than 1250 | Not less than 1250 |
| Load switch – Rated thermal stability current | kA/s | 20/4; earthing switch 20/2 | 20/4; earthing switch 20/2 |
| Load switch – Rated dynamic stability current (peak value) | kA | 50 | 50 |
| Load switch – Rated short-circuit closing current (peak value) | kA | 50 | 50 |
| Load switch – Fuse rated current | A | 125 | 125 |
| Combination electrical appliances – Rated transfer current | A | 870 | 870 |
| Combination electrical appliances – Rated short-circuit breaking current | kA | 20 | 20 |
| Combination electrical appliances – Matched fuse model | S□LAJ-12 | S□LAJ-12 | |
| Mechanical life | time | 2000 | 10000 |
| Auxiliary circuit 1 min power frequency withstand voltage | kV | 2 | 2 |
| Electric operating mechanism working voltage | V | AC/DC 220; 110 | AC/DC 220; 110 |
| Protection level | IP2X | IP2X | |
Installation Dimensions / Drawing
Applications
HXGN17-12 is mainly selected for ring network distribution systems and terminal distribution networks. The final application should match the confirmed ring main switchgear, rated data, and site installation conditions.
- Ring network distribution systems
- Terminal distribution networks
- Box-type substations and industrial power equipment
Ordering Instructions / Information Required for Quotation
ForHXGN17-12, send single-line diagram, rated voltage, rated current, short-circuit level, protection scheme, busbar arrangement, and cabinet layout, quantity, destination, and the expected delivery schedule. The engineering review will be based on the selected ring main switchgear and project drawing.
ORDERING INSTRUCTIONS
- Provide the main-wiring scheme number, purpose, single-line system diagram, rated voltage, rated current, rated short-circuit breaking current, distribution-room layout, and cabinet arrangement.
- State switch-cabinet control, measurement, protection, locking, and automatic-device requirements and provide the related schematic diagrams.
- Provide the models, specifications, and quantities of the main electrical components.
- State special environmental conditions and other special requirements in writing before ordering.
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