Electrical Control Cabinet Manufacturers & Factory Serving Bulgaria

Custom Low-Voltage Controlgear, Intelligent VFD Assemblies, Soft Start Cabinets & Direct-on-Line Switchboards Configured for Industrial Power, Wastewater, and Mining Sectors.

Specialized Electrical Control & Drive Systems for Bulgaria

Integrated high-performance systems optimized for heavy industries in major economic centers like Plovdiv, Varna, and Sofia.

High voltage soft start cabinet

Custom High Voltage Soft Start Cabinet (Optimized for Bulgarian Pumping Networks)

Designed for heavy duty applications to suppress voltage sag and fluid hammer in industrial water supply and mining operations.

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Variable frequency AC motor

China YJP Series Variable Frequency AC Motors (BDS-Compliant Configurations)

Perfect pairing with modern variable frequency drive control panels, ensuring stable torque across wide-ranging speeds.

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High Voltage induction motor

OEM YKK 6kV 10kV Series High Voltage Induction Motor (Heavy-Duty Bulgarian Industry)

Built to withstand the most harsh industrial environments, matching seamlessly with high voltage soft starters and switchgear.

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Ex motors used in hazardous area

OEM YBX4 Series Asynchronous Ex Motors (ATEX Directive Compliance for Bulgaria)

Explosion-proof motors designed for explosive dust and gas atmospheres, suitable for Devnya chemical complexes.

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Bulgaria's Evolving Industrial Landscape & Modernization Demands

Bulgaria’s transition into a highly automated, energy-conscious industrial hub in Eastern Europe has driven significant upgrades in power distribution and motor control infrastructure. From the large open-cast lignite mines of the Maritsa Iztok Complex to the chemical plants in Devnya, operations require robust, CE-compliant electrical enclosures to manage dynamic loads, optimize process loops, and reduce unplanned downtime.

Furthermore, municipal investments in wastewater treatment systems and agricultural pumping stations throughout Plovdiv and Sofia necessitate customized control solutions like VFD (Variable Frequency Drive) cabinets and high-voltage soft starters. Supplying components that handle grid voltage fluctuations while maintaining absolute safety is crucial. Our custom engineering directly addresses these requirements by integrating state-of-the-art thermal management, surge protection, and intelligent PLC systems.

Key Industrial Sectors Served:

  • Mining & Metallurgy: Ore grinding, mill fans, and conveying systems requiring high-horsepower motor drives and dust-tight IP65 enclosures.
  • Chemical & Petrochemical: Ex-proof control cabinets aligned with ATEX regulations for explosive gas and dust environments.
  • Water & Wastewater Treatment: Sofia and Plovdiv water utility upgrades using multi-pump PLC alternation logic and soft start integration.
  • Power Generation & Distribution: Heavy cooling tower fan drives and flue-gas desulfurization (FGD) auxiliary controls.

E-E-A-T Blueprint: Localization, Safety Standards & EU Compliance

As an expert manufacturer serving EU clients, we guarantee strict compliance with BDS (Bulgarian Institute for Standardization) and harmonized European standards.

IEC 61439-1 & 2 Compliance

Our control panels undergo structural verification, dielectric testing, and short-circuit withstand capabilities in strict accordance with the Low Voltage Switchgear Assemblies directives.

ATEX & Explosive Safety

Providing custom flameproof and pressurized panels (Ex d, Ex p, Ex e) built to operate alongside our hazardous-area YBX3, YBX4, and YBX5 motor series.

IP54/IP55 & IP65 Enclosures

Engineered to withstand external stressors, heavy dust contamination, and water jets, utilizing polyurethane gasket casting and high-quality cold-rolled steel or stainless steel plates.

Comprehensive Factory Testing & Verification (FAT)

To eliminate risk during commissioning on Bulgarian job sites, every cabinet manufactured in our facility undergoes rigorous diagnostic testing:

Dielectric & Insulation Test

Verification of internal insulation creepage distances and high voltage tests to prevent earth faults under peak operating conditions.

Loop Wiring & Logic Simulation

100% dry run simulation of PLC logic pathways, dynamic relay sequences, and analog I/O communication maps.

Thermal Load Profiles

Active cooling system checks and infrared thermal scans to locate hot spots on busbars under simulated load conditions.

China Factory Supply Chain Advantages & Unified Drive Solutions

Why global industrial procurement managers trust Xi'an Lite Simo Motor's 60+ years of electrical manufacturing excellence.

When procuring industrial control gear, separate sourcing of electric motors and control panels often leads to compatibility issues during system commissioning. SIMO solves this by offering a unified motor-and-control ecosystem.

Our large-scale manufacturing facilities in China leverage mature supply chains, allowing us to source premium electrical switchgear components (such as Siemens, ABB, and Schneider Electric contactors, breakers, and PLCs) at competitive pricing. This cost-efficiency is passed directly to our clients in Bulgaria, yielding high performance-to-cost ratios.

Our engineering department handles custom metal fabrication, copper busbar machining, control wiring, and motor design under one roof. Whether you require a high-voltage soft-starter cabinet matched to a 10kV YKK series induction motor or a VFD cabinet calibrated for the YJP series, you receive a pre-configured, factory-tested system.

Litesimo Production Facility

Xi'an Lite SIMO Motor Co., Ltd.

Specializing in the manufacturing of large and medium-sized, high and low voltage AC/DC motors, synchronous motors, and explosion-proof motors since 1955.

1955
Founded Year
1200+
Active Employees
260+
Technical Engineers
380M
Fixed Assets (RMB)

Modern Industrial Automation Trends: Smart Cabinets & Industry 4.0

Integrating smart technologies to improve diagnostic insights and prevent electrical system failures.

IoT Condition Monitoring

Our smart cabinets integrate digital sensors and modems to transmit vital metrics (internal temperature, humidity, door entry, and current draw) directly to SCADA systems or cloud dashboards, enabling predictive maintenance.

Advanced Thermal Systems

Using smart thermostat-controlled cooling fans, internal heaters to prevent condensation, and heat exchangers, our cabinet assemblies maintain thermal profiles even during winter swings in northern Bulgaria.

Harmonic Suppression

VFD configurations include line reactors or active harmonic filters. This protects sensitive electronics in the facility and ensures compliance with EU utility regulations regarding harmonic feedback.

Engineered Applications in Bulgarian Industries

Custom configurations matched to the specific parameters of local Bulgarian projects.

Application 01

Water Distribution (Sofia Pumping Stations)

High-voltage soft-starters paired with Simo YKS cooling-tower/water-pump motors. Suppresses water hammer in old municipal piping networks while cutting starting current by up to 70%.

Application 02

Mining Mills (Srednogorie Copper Mines)

Synchronous motor control panels featuring integrated excitation cubicles, designed for heavy milling operations. Maximizes the operating power factor of the plant.

Application 03

Chemical Mixing (Devnya Industrial Zone)

Explosion-proof control cabinets matched to our YBX4 motor lines. Designed to isolate all electrical contacts and safety relays from volatile, dust-heavy surroundings.

LITESIMO Profile & Industrial History

A rich history of motor manufacturing and power control expertise spanning more than six decades.

Xi’an Lite SIMO Motor Co., Ltd is an electric company, main enterprise specializing in the manufacturing of large/medium-sized, high/low voltage AC motors, DC motors, synchronous motor, and explosion-proof motor in the Chinese mechanical industry. SIMO is a comprehensive manufacturing and service supplier of motor design, manufacturing, mechanical processing, mold making, assembling. The Company ranks TOP in China’s motor industry as to its scale of production, and has maintained fast-growing development trend for consecutive years.

The Company was founded in 1955 originally and now has more than 60 years history of motor manufacturing and selling. The registered capital is 21.5 million RMB. SIMO has 3 manufacturing factories, one subsidiary factory, with fixed assets 380 million RMB and more than 1172 sets of advanced equipment. There are more than 1200 employees, more than 260 technical engineers, including 21 senior engineers, 15 experts engineers.

1955

SIMO Motor established and led by the government.

1957

Moved to the new manufacturing plant in Xi'an city.

1966

Changed name to Xi'an Motor Factory after series of acquisitions and integrations.

1999

Reformed into a limited liability company from a state-owned factory.

2005

SIMO Motor Group established, operating with 14 subsidiaries.

2006

Relocated to a modern, high-tech manufacturing plant.

2009

Company rebranded under the name Tech Full Simo Motor.

2019

Continuing to expand and lead as a premier industrial motor manufacturer.

International Certifications

SIMO has passed ISO9001 Quality System Certification, EU “CE”, US “UL”, Russian “GOST”, and other regulatory benchmarks, proving global standards of engineering safety.

SIMO Certificate 1
SIMO Certificate 2
SIMO Certificate 3
SIMO Certificate 4
SIMO Certificate 5
SIMO Certificate 6
SIMO Certificate 7
SIMO Certificate 8
SIMO Certificate 9
SIMO Certificate 10

Factory Workstations & Production Line

Inside view of our motor production, winding, core assembly, and cabinet design centers.

SIMO Factory Winding Line
SIMO Motor Core Processing
SIMO Rotor Balancing
SIMO Testing Bench

Frequently Asked Questions

Get authoritative answers on custom control cabinet design, manufacturing timelines, and compatibility with Bulgarian electrical standards.

Q1: How do you ensure your electrical control cabinets meet Bulgarian and European standards?

Every control panel we build is compliant with the EU Low Voltage Directive (2014/35/EU) and is marked with the CE symbol. We construct panels to IEC 61439-1 & 2 standards. When shipping components to Bulgaria, we ensure conformity to all harmonized BDS (Bulgarian Institute for Standardization) guidelines. This includes proper wire color-coding, protective earthing systems, and documentation.

Q2: What variables do you need to calculate pricing for a custom soft-starter or VFD cabinet?

To provide an accurate engineering quote, we need to know: the motor output power (kW), rated voltage (e.g., 380V, 6kV, or 10kV), operational current (A), starting load profile (constant vs. variable torque), ingress protection level (e.g., IP54 or IP65), and control interfaces (Modbus, Profinet, etc.).

Q3: Can you build explosion-proof switchboards suitable for chemical plants?

Yes. We design and build pressurized (Ex p) and flameproof (Ex d) control enclosures suited for ATEX Zone 1 and Zone 2 environments. These are commonly paired with our explosion-proof motor series, like the YBX4 and YBX5 lines, ensuring safe operation in hazardous atmospheres.

Q4: How does your engineering department handle Factory Acceptance Testing (FAT)?

Before leaving our factory, every control cabinet undergoes thorough inspection: insulation resistance checks, primary/secondary injection tests, functional loop simulation (PLC code run-through), and thermal profiling. We provide complete FAT documentation, schematic drawings, and testing logs to your engineering team prior to export.

Industrial Heavy-Duty Motors & Spares

Select industrial power units, three-phase high voltage motors, and AC/DC synchronous machines compatible with our cabinet solutions.

TDMK series motor

Custom TDMK Series AC Three-Phase Synchronous Motor for Mining Mills

Engineered for large mills and heavy industrial grinding applications, operating at optimal power factors.

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YBX5 Series Asynchronous Induction Ex Motors

Custom YBX5 Series Asynchronous Totally Enclosed Induction Ex Motors

Highly efficient explosion-proof design, perfect for demanding gas and chemical processing applications.

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Y2 series high voltage AC motor

China Y2 Series Compact Structure High Voltage AC Motor Manufacturers

Compact footprints with rugged output performance, serving space-restricted auxiliary pump setups.

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YKS high voltage motor

OEM YKS 6kV 10kV Series High Voltage Three-Phase Induction Motor

Water-cooled induction motors engineered for quiet, high-efficiency continuous plant operation.

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Z series medium size DC motor

Custom Z Series Medium Size DC Motor Manufacturer, Suppliers

High torque output from zero speed, ideal for rolling mills, heavy extruders, and mine hoist operations.

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YR/YRQ series high voltage motor

Discount YR/YRQ Series High Voltage Three-Phase Asynchronous Motor

Slip-ring motors configured for high starting load torques and low initial draw requirements.

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Y series high voltage motor

Discount Y Series High Voltage Three-Phase Asynchronous Motor

Robust, general-purpose plant power motors driving heavy water pumps and process fans.

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Z4 series DC motor

OEM Z4 Series DC Motor Manufacturers, Factories

Designed for precise speed control and high dynamic performance in heavy industry.

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Need custom dimensions, dynamic cooling designs, or ATEX-certified control panels for your plant in Bulgaria?

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