0102030405
YB-12/0.4 Pre-installed Substation from China Suppliers and Factory for Urban and Industrial Power Distribution
Model and Definitions
Application Conditions
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Altitude: ≤1000m; Ambient temperature: -25℃ to +40℃;
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Temperature: Maximum monthly average temperature +30℃, maximum annual average temperature +20℃; Relative Humidity: Daily average not exceeding 95%, monthly average not exceeding 90%;
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Seismic level: Horizontal acceleration 0.4m/s², vertical acceleration 0.15m/s²;
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The installation site should be free from severe shocks, serious pollution, and chemical corrosion, as well as conductive dust and explosion hazards. If normal usage conditions cannot be met, please consult with our company for solutions.
Application Conditions
| NO. | Items | Unit | High-voltage Electricity | Transformer | Low-voltage Electricity |
| 1 | Nominal Voltage | kV | 6/10 | 6/0.410/0.4 | 6/0.410/0.4 |
| 2 | Rated Capacity | kVA | 50~1600 | ||
| 3 | Rated Currency | A | 200,400,630 | 100~3200 | |
| 4 | Rated Short-circuit Breaking Current | A | Load Switch 400-630 | 15~63kA | |
| K | The combined switch is decided by the fuse. | ||||
| 5 | Rated Short-time Withstand Current | K | 16,20(4s) | 15(1s) | |
| 30(1s) | |||||
| 6 | Rated Peak Withstand Current | K | 31.5,50 | 30 | |
| 63 | |||||
| 7 | Power Frequency Withstand Voltage (1min) | kV | Ground and Phase-to-phase 32/42 | 25/35(Oil immersion) | ≤0.3，2 |
| Isolating Fracture 36/48 | 25/28(Dry) | ＞0.3，2.5 | |||
| 8 | Lightning Impulse Withstand Voltage (Peak) | kV | Ground and Phase-to-PHASE 60/75 | 60/75 | |
| Isolating Fracture 70/85 | |||||
| 9 | IP23 | ||||
| 10 | db | 55 | |||
| 11 | GB/T17467 "High Voltage/Low Voltage Pre-installed Substation" | ||||
| DL/T537 "Technical conditions for Ordering 6-35kV Box-type Substations" |
Installation Dimensions
Display of Some Products
Frequently Asked Questions (FAQ)
What are the ambient temperature requirements for this substation?
The substation operates within an ambient temperature range of -25℃ to +40℃. The maximum monthly average temperature should not exceed +30℃, and the maximum annual average temperature should not exceed +20℃.
What is the maximum installation altitude for this equipment?
The standard installation altitude for this substation is less than or equal to 1000 meters (≤1000m). For higher altitudes, please consult with our technical support team.
What standard specifications does this pre-installed substation comply with?
It complies with the GB/T17467 standard for "High Voltage/Low Voltage Pre-installed Substation" and DL/T537 "Technical conditions for Ordering 6-35kV Box-type Substations".
What is the rated capacity range of the transformer?
The transformer supports a rated capacity ranging from 50 kVA to 1600 kVA.
What is the IP protection rating of the transformer enclosure?
The enclosure of the transformer in this system features an IP23 protection rating.
What environmental conditions should be avoided at the installation site?
The installation site must be free from severe shocks, serious pollution, chemical corrosion, conductive dust, and any explosion hazards.