PRODUCT / 01 / 环网柜
12 kV Dry Air Insulated Ring Main Unit XDA-12(V)/630-20
SF6-free 12 kV ring main unit using dry air insulation, rated 630 A with 20 kA short-circuit breaking capacity. The source description states a type-tested design; request the model-specific report and scope before relying on that claim.
Standards referenced for project review, not evidence of product certification:
- IEC 62271-200
- IEC 62271-100
- IEC 62271-1
- Rated voltage
- 12 kV
- Peak withstand current
- 50 kA peak
- Rated operating sequence
- O-0.3s-CO-180s-CO
- Rated current / frequency
- 630 A / 50 Hz
- Short-circuit making current
- 50 kA peak
- Short-circuit breaking current
- 20 kA
工程视图
RMU 额定参数快照
已发布源数据的可视化摘要。它不能替代完整技术参数表或项目确认。
- 额定电压
- 12 kV
- 额定电流 / 频率
- 630 A / 50 Hz
- 开断电流
- 20 kA
Product description
SF6-free 12 kV ring main unit using dry air insulation, rated 630 A with 20 kA short-circuit breaking capacity and a type-tested design.
Features
- Dry air insulation — no SF6, no F-gas
- 20 kA short-circuit breaking current
- Source description states a type-tested design; request the model-specific report and scope.
- Three-position switch and vacuum circuit breaker
- Compact cubicle construction
- Rated operating sequence O-0.3s-CO-180s-CO
Technical parameters
| Parameter | Value |
|---|---|
| Rated voltage | 12 kV |
| Peak withstand current | 50 kA peak |
| Rated operating sequence | O-0.3s-CO-180s-CO |
| Rated current / frequency | 630 A / 50 Hz |
| Short-circuit making current | 50 kA peak |
| Short-circuit breaking current | 20 kA |
| Closing / opening control voltage | AC 220 V (187–242 V) |
| Power-frequency withstand voltage | 42 kV |
| Lightning impulse withstand voltage | 75 kV peak |
| Short-time withstand current / duration | 20 kA / 4 s |
| Dry air filling pressure at 20°C (gauge) | 0.02 MPa |
| Across isolating distance: power frequency | 48 kV |
| Across isolating distance: lightning impulse | 85 kV peak |
| Minimum functional pressure at 20°C (gauge) | 0.01 MPa |
Parameters are taken from the manufacturer product sheet. Final ratings are confirmed against the project specification before order.
已记录的应用场景
这些链接展示了当前与该产品关联的证据基础。它们是工程审查的起点，不是项目参考或推荐。
Frequently asked questions
What is the rated configuration?
This product sheet covers the XDA-12(V)/630-20 model: 12 kV, 630 A, 50 Hz, with 20 kA short-circuit breaking current and SF6-free dry-air insulation.
Which standards apply?
Review IEC 62271-200, IEC 62271-100, IEC 62271-1 as applicable references. The exact standard scope and supporting test evidence must be confirmed for the quoted configuration.
Is type-test evidence available?
No model-specific type-test report is published here. Request the report number, issuing laboratory, test scope and applicability to the quoted configuration.
Can the RMU configuration be adapted?
Send the required incoming and outgoing circuits, protection, control, metering and communication requirements. The final arrangement is confirmed against the project specification.
下一步
Specify the equipment.
电压等级、额定电流、短路水平、安装环境以及项目招标所依据的标准。