Product model description

①	Prefabricated substation
②	Structural features: P-品 shaped; M-目shaped​
③	Design No.​
④	Rated voltage at high voltage side (kV)​
⑤	Rated voltage at low voltage side (kV)​
⑥	Rated capacity of transformer (kVA)​

Conditions of use

● Altitude: ≤1000m;
● Ambient temperature: -25℃~+40℃ (maximum monthly average temperature +30 ℃, maximum annual average temperature +20℃);
● Relative humidity: daily average value is not more than 95%, and monthly average value is not more than 90%;
● Shockproof level: horizontal acceleration 0.4m/s², vertical acceleration 0.15m/s²；
● The installation site is free of severe impact, serious pollution, chemical corrosion, conductive dust and explosion hazard
Note: When ordering this product beyond the above conditions, please consult with our company.​

Technical parameter

No.	Name	Unit	High voltage apparatus​	Transformer​	Low voltage apparatus​
1	Rated Voltage	kV	6/10	60/0.4 10/0.4	0.4
2	Rated capacity​	kVA		50~1600
3	Rated Current	A	200、400、630		100~3200
4	Rated short-circuit breaking current​	A	Load switch 400-600​		15~63kA
		kA	Combination switch depends on fuse​
5	Rated short-time withstand current	kA	16,20(4s)		15(1s)
					30(1s)
6	Rated peak withstand current​	kA	31.5，50		30
					63
7	Power frequency withstand voltage (1min)	kV	Phase to ground and interphase 32/42​	25/35( oil immersed )	≤0.3,2
			Isolating distance36/48​	20/28( dry type )	● 0.3，2.5
8	Lightning impulse withstand voltage (peak value)​	kV	Phase to ground and interphase 60/75​	60/75
			Isolation distance 70/85​
9	Cabinet protection grade​
10	Noise level​	ab		IP23
11	Executive standards​		GT/T 17467 High-voltage/Low-voltage prefabricated substation​	55
			DL/T537 Technical Conditions for Ordering 6-35kV Box type Substation​

Note: Items 5 and 6 are not required when the transformer capacity is less than 200kVA.​

Installation dimension drawing 

Ordering Instructions
The user shall provide the following information when ordering:
● Requirements for model, capacity, quantity, colour, outline dimension and shell material;
● Transformer model, performance, connection group, tapping range and impedance requirements
● Primary wiring solution at high and low voltage side, model, specification and requirements of components;
● Transformer oil (#25, #45, high ignition point oil);
● Requirements of power intelligent management network or property management on grid access configuration of box type substation;
● Special requirements shall be solved through negotiation with the manufacturer.

Example of some product outline drawings