Customizable HV Prefabricated Substation original manufacturer -12kV to 40.5kV

Name: Customizable HV Prefabricated Substation original manufacturer -12kV to 40.5kV
Brand: Wenzhou Rockwill Electric Co., Ltd.
SKU: 1164
Price: 31500.00 USD
Availability: InStock

Wenzhou Rockwill Electric Co., Ltd.

17yrs 700++ staff 108000+m² US$150000000+ China

Attributes Description Documentation Resource Library Supplier

Key attributes

Brand	ROCKWILL
Model NO.	Customizable HV Prefabricated Substation original manufacturer -12kV to 40.5kV
Rated voltage	40.5kV
Rated normal current	< 1250A
Rated frequency	50/60Hz
Rated capacity	1250 - 20000kVA
Series	YB

Description

YB series Prefabricated Substation is a complete set of power equipment that integrates MV switchgear, transformer and LV distribution devices with standard wiring layout. This HV Prefabricated Substation is applicable for residential communities, hotels, large construction sites and high-rise buildings.

The Prefabricated Substation adapts to rated voltage 12kV / 24kV / 36kV / 40.5kV, 50Hz frequency and capacity up to 2500kVA, serving as ideal power transformation and distribution solution for various projects.

Technical Parameters

Main Designation Characteristics

The shell of the HV Prefabricated Substation adopts international advanced design and practical structure. Multiple shell materials are optional for the Prefabricated Substation, including aluminum alloy, steel composite plate, stainless steel and non-metallic glass fiber material.
The high voltage side of the HV Prefabricated Substation is equipped with load break switch or vacuum circuit breaker. The supporting transformer for the Prefabricated Substation can be hermetically-sealed oil type or dry type.
The box body of the Prefabricated Substation adopts double-layer structure with foam filling inside for heat insulation. Independent compartment layout is applied to HV and LV rooms. The transformer room of the HV Prefabricated Substation is fitted with automatic temperature controller, heater and cooling device.
Customized design and special specifications are available for the Prefabricated Substation as per customer requirements.

Service Environment

Ambient temperature: Max +40℃, Min -25℃
Relative humidity: Monthly average ≤95%, Daily average ≤90%
Operating altitude: Up to 2500m
Installation atmosphere: No obvious corrosive, flammable gas and vapor
No frequent severe vibration and impact

Main technical specifications:

12/24/36kV

Name	Unit	HV equipment	Transformer	LV Equipment
Rated voltage	kV	12/24/36	(12/24/36)/0.4	0.4
Rated current	A	630	3/75-150/3750	Less than 4000
Frequency	Hz	50
Rated Capacity	kVA	50-2500
Pfr withstand	kV	42/50/70/9		2.5
BIL	kV	75/125/170/185		—
Crust Protection Grade		IP23	Oil type 55; dry type 65	IP23
Appearance Dimensions	mm	According to primacy wiring circuit schema	According to primacy wiring circuit schema	According to primacy wiring circuit schema

Internal Physical Diagram of YB Prefabricated Substation

Prefabricated Substation(US-style, EU-style)12kV 24kV 36kV 40.5kV

40.5kV

Name	Unit	HV equipment	Transformer	LV Equipment
Rated voltage	kV	40.5	40.5/12/0.69/0.4	12/6.3/0.69/0.4
Rated current	A	Less than 1250		Less than 4000
Frequency	Hz	50
Rated Capacity	kVA	1250-20000
Pfr withstand	kV	70/95		42/2.5(Auxiliary)
BIL	kV	170/185		75
Crust Protection Grade	—	IP23	Oil type 55; dry type 65	IP23
Appearance Dimensions	mm	According to primacy wiring circuit schema	According to primacy wiring circuit schema	According to primacy wiring circuit schema

Internal Physical Diagram of YB 40.5kV Prefabricated Substation

Prefabricated Substation(US-style, EU-style)12kV 24kV 36kV 40.5kV

Application Scenarios

This YB series HV Prefabricated Substation and Prefabricated Substation are widely used in urban residential districts, commercial hotels, high-rise buildings, industrial parks, construction sites, urban grid renovation and new energy power distribution projects, providing safe, compact and reliable power supply for civil and industrial power systems.

Main Primacy Wiring Circuit Schemas for Substation(40.5kV):

Wiring type A-40.5kV:

12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style).png

Wiring type B-40.5kV:

12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style).png

Note: we offer special customized products according to client’s requirement.

Wiring type C-40.5kV:

12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style).png

Wiring type D-40.5kV:

12kV 24kV 36kV 40.5kV Prefabricated Substation(US-style, EU-style).png

Note: we offer special customized products according to client's requirement.

Solutions - Prefabricated Substation

Complete Solution for 400 Units of Prefabricated Substations in Niger

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Smart Operation & Maintenance Solution for Compact Substations

1. Integrated Architecture with Edge-Cloud Collaboration Edge Layer: Deploy IoT sensors (e.g., wireless temperature sensors for switchgear monitoring, JN2201 inclination sensors with IP68/IP69K protection) to collect real-time data on equipment status (temperature, vibration, leakage) and environmental parameters (humidity, gas concentration). Cloud Platform: Centralize data storage and AI analysis for predictive maintenance and cross-site benchmarking.2. AI-Driven Predictive Maintenance Fault P

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ROCKWILL YB Series Compact Substation Solution

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Case Studies - Prefabricated Substation

Rockwill 400 Units Prefabricated Substation Case Study in Niger

Riding the wave of electrification across West Africa, customized prefabricated substations are fully tailored to Niger’s extreme operating conditions of high heat, aridity and frequent sandstorms. Leveraging integrated and modular advantages, they effectively shore up urban and rural power supply weaknesses and solidify the foundation of national power grid modernization.01 Project Overview1.1 Project BackgroundNiger, a significant French-speaking nation in the Sahel region of West Africa, has

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Related Blogs - Prefabricated Substation

Rockwill Compact Prefabricated Substations & Modular E-Houses: 18 Years of Excellence, Trusted Worldwide

What makes Rockwill compact prefabricated substations trusted worldwide for 18 years? The answer lies in Rockwill's unwavering commitment to power equipment manufacturing since its founding in 2008. As a core pillar of Rockwill's comprehensive medium- and high-voltage product portfolio, Rockwill compact prefabricated substations and E-Houses leverage 18 years of R D and manufacturing expertise, achieving large-scale deployment in power grids, renewable energy, industrial, and infrastructure proj

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Certifcations Prefabricated Substation

Frequently asked questions

What is the warranty period for the prefabricated substation?

Our standard warranty for the prefabricated substation is available within 10 years. The warranty covers manufacturing defects under correct installation and normal operation. Extended warranty terms can be further negotiated according to project requirements.

Do you provide technical support after the warranty expires?

Yes. After the warranty expires, we still provide lifelong technical support and supply spare parts at a competitive price.

What materials can be selected for the enclosure of prefabricated substation?

Multiple housing materials are optional, including aluminum alloy, steel composite plate, stainless steel and non-metallic glass fiber material.

Can the prefabricated substation be customized?

Yes. Custom design and special specifications are supported, including primary wiring schemes, dimensions and special configurations according to customer project demands.

Know your supplier

ROCKWILL

Wenzhou Rockwill Electric Co., Ltd.
17yrs 500-1000 108000+m² US$150000000+ China

Online store

On-time delivery rate

Response time

100.0%

≤4h

Company overview

Workplace: 108000m² Total staff: 700+ Highest Annual Export(usD): 150000000

Services

Business Type: Design/Manufacture/Sales

Main Categories: Medium and High Voltage Switchgear/Power and Distribution Transformers/Instrument Transformers and Sensors/Lightning Protection and Electrical Insulation/Substations and E-Houses/Electrical Panel and Controlgear

$31500.00

Pricing calculator

Model

YB-40.5

YB-36

YB-24

YB-12

Warranty by

Whole life care manager

Whole-life care management services for equipment procurement, use, maintenance, and after-sales, ensuring safe operation of electrical equipment, continuous control, and worry-free electricity consumption.

The equipment supplier has passed platform qualification certification and technical evaluation, ensuring compliance, professionalism, and reliability from the source.