YB-12/0.4 Pre-installed Substation(European）

Overview
This product fully complies with the GB17467 standard for "High Voltage/Low Voltage Pre-installed Substation." It is suitable for urban public distribution, streetlight distribution, industrial and mining enterprises, urban buildings, residential communities, oilﬁeld docks, hotels, parks, and construction sites. It can achieve both ring network and terminal power supply modes.

product details

Model and Definitions

Application Conditions

◇ Altitude:≤1000m; Ambient temperature: -25℃to +40℃;

◇ Temperature: Maximum monthly average temperature +30℃, maximum annual average temperature +20℃; ◇ Relative Humidity: Daily average not exceeding 95%, monthly average not exceeding 90%;

◇ Seismic level: Horizontal acceleration 0 .4m/s², vertical acceleration 0 . 15m/s²;

◇ 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.	ltems	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
4	Rated Short-circuit Breaking Current	K	The combined swtiched is decided by the fuse.		15~63kA
5	Rated Short-time Withstand Current	K	16,20(4s)		15(1s)
5	Rated Short-time Withstand Current	K	16,20(4s)		30(ls)
6	Rated Peak Withstand Current	K	31.5,50		30
6	Rated Peak Withstand Current	K	31.5,50		63
7	Power Frequency Withstand Voltage (1min)	kV	Ground and Phase-to-phase 32/42	25/35(0illmmersion)	≤0.3，2
7	Power Frequency Withstand Voltage (1min)	kV	lsolating Fracture 36/48	25/28(Dry)	＞0.3，2.5
8	Lighting lmpulse Withstand Voltage (Peak)	kV	Ground and Phase-to-PHASE60/75	60/75
8	Lighting lmpulse Withstand Voltage (Peak)	kV	lsolating Fracture 70/85	60/75
9				IP23
10		db		55
11			GB/T17467"HighVoltage/LowVoltage Pre-installed Substation"
11			DL/T537"Technicalconditions for Ordering 6-35kV Box-type Substations"