High/Low Voltage Prefabricated Substation

Deyan Electric is a professional supplier with rich manufacturing experience in industrial electrical appliances. The High/Low Voltage Prefabricated Substation is a compact, fully enclosed, and type-tested solution for 12kV to 400V power distribution. This "plug-and-play" unit integrates a transformer, HV/LV switchgear, and control systems into a single, robust, and weatherproof enclosure. It ensures reliable energy supply, enhanced safety, and is ideal for quick deployment in urban, industrial, and commercial applications

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Product Description

The High/Low Voltage Prefabricated Substation is widely used in urban grid upgrades, residential communities, high-rise buildings, industrial and mining facilities, hotels, shopping malls, airports, railways, oil fields, docks, highways, and temporary power facilities for both indoor and outdoor applications.

The High/Low Voltage Prefabricated Substation is a fully integrated, compact solution for transforming medium voltage (e.g., 12kV or 40.5kV) to low voltage (400V). This "plug-and-play" unit combines transformers, HV/LV switchgear, and control systems in a robust, weatherproof enclosure. It ensures reliable power distribution, enables rapid on-site deployment with minimal civil work, and is ideal for urban, industrial, and renewable energy applications.

Product Parameter ( Specification )

● Load Switch Technical Specifications

Serial Number	Name	Unit	FKN12-12 Load Switch	FZN25-12 Vacuum Load Switch
1	Rated voltage	kV	10
2	Maximum operating voltage	kV	12
3	Rated frequency	Hz	50
4	Rated current	A	630
5	Rated breaking load current	A	630
6	Thermal Stability Current (RMS)	kA/S	20/2	20/4
7	Dynamic Stability Current	kA	50	50
8	Short-circuit closing current (peak)	KA	50	50
9	Full-load breaking cycles	Second	20	10000
10	Mechanical life	Second	2000	10000
11	1 min Power Frequency Withstand Voltage (Phase-to-Phase and Phase-to-Ground)	kV	42	42
12	Lightning impulse voltage (relative and to ground)	kV	75	75

● Technical Specifications for High-Voltage Fuses

Serial Number		Rated Voltage (kV)	Breaking Current (A)	Breaking Current (KA)	Fuse Rating (A)
UK model	Domestic Model	Rated Voltage (kV)	Breaking Current (A)	Breaking Current (KA)	Fuse Rating (A)
SDL※J		12	40	31.5	6.3 10 16 20 25 31.5 40
SDL※J	XRNT-12	12	100	31.5	50 63 71 80 100
SDL※J		12	125	31.5	125

*Note: Determined by whether a striker is installed. N denotes no striker, A denotes striker present.

Serial Number	Trip Device Type	Rated current of the trip unit A	Breaking Capacity kA (AC 380V)
DW15-630		315,400,630	40
DW15-1000		630,800,1000	50
DW15-1600	Thermal-electromagnetic or electronic	1600	50
DW15-2500		1600,2000,2500	60
CW1-2000		630,800,1000,1250,1600,2000	65(80)
CW1-3200	Intelligent	2000,2500,3200	100

Product Feature And Application

Compact, Integrated "Plug-and-Play" Design

Robust & Weatherproof Enclosure

High Safety & Reliability

Excellent Transformer Performance

Flexible Configuration & Easy Maintenance

Application Sites

◇ Compact secondary substations

◇ Small industrial and mining enterprises

◇ Wind power plants

◇ Hotels, shopping malls, office buildings, commercial centers, etc.

◇ C- Load switch unit

◇ D-Direct cable connection unit

◇ De- Direct cable connection unit with grounding switch

◇ F- Load switch-fuse combination unit

◇ V- Vacuum circuit breaker unit

High/Low Voltage Prefabricated Substation

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Contact Info

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Address

No.60, Binhai South Second Road, Economic Development Zone, Yueqing City, Zhejiang Province, China
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Tel

+86-15088597733
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Email

sales@deyanele.com

For inquiries about High Voltage Switchgear, Medium Voltage Switchgear, Low Voltage Switchgear or price list, please leave your email to us and we will be in touch within 24 hours.