New Customized Power Distribution Equipment Electric Control Panel Box Enclosure

MOQ： 1 unit
Price： The price will be negotiated based on the technical requirements and supply scope of Party A
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Payment Terms	L/C,T/T,Western Union
Supply Ability	Complete production supply chain, supply on time, and meet quality standards
Delivery Time	2 months
Packaging Details	Discuss according to the specific requirements of Party A
Brand Name	Shaanxi Chengda
Model Number	Negotiate based on equipment processing capacity
Certification	ISO 9001
Place of Origin	China

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Product Specification


Payment Terms	L/C,T/T,Western Union	Supply Ability	Complete production supply chain, supply on time, and meet quality standards
Delivery Time	2 months	Packaging Details	Discuss according to the specific requirements of Party A
Brand Name	Shaanxi Chengda	Model Number	Negotiate based on equipment processing capacity
Certification	ISO 9001	Place of Origin	China
High Light	customized power distribution panel ，electric control panel enclosure ，power distribution box with warranty

Furnace Control Cabinet for Electric Arc Furnace (EAF)/Ladle Refining Furnace (LRF)

The furnace control cabinet is the "brain" of electric arc furnace and ladle refining furnace systems, integrating power control, process regulation, safety protection, and data monitoring functions. It enables precise control of smelting processes (e.g., electrode lifting, arc striking, power adjustment) and ensures stable, safe, and efficient operation of furnace equipment. The cabinet is designed for harsh industrial environments (high temperature, dust, vibration) with high reliability and anti-interference performance.

Core Functions

Power & Electrode Control
- Arc Striking Regulation: Automatically controls electrode lifting/lowering via servo or hydraulic systems to stabilize arc length, avoid electrode sticking or breakage, and maintain optimal arc voltage/current for energy-saving smelting.
- Power Adjustment: Matches furnace capacity and smelting stages (melting, refining, tapping) to adjust input power, realizing constant power or constant current control.
- Phase Balance Control: Balances three-phase current to reduce grid impact and improve power factor.
Process Monitoring & Automation
- Real-time Data Acquisition: Monitors key parameters (electrode current/voltage, furnace temperature, cooling water flow/pressure, gas composition) and displays them on a touchscreen HMI.
- Programmable Logic Control (PLC): Supports customized smelting process programming (e.g., automatic charging, temperature holding, tapping sequence) to reduce manual operation errors.
- Data Storage & Traceability: Records smelting process data (duration, power consumption, temperature curve) for production analysis and quality traceability.
Safety Protection & Alarm
- Overload/Short-Circuit Protection: Triggers power-off protection when current exceeds rated value or short circuit occurs, preventing damage to power cables and furnace components.
- Cooling System Fault Protection: Alarms and shuts down the system if cooling water pressure is too low, flow is insufficient, or temperature is too high (critical for water-cooled components like cables and furnace covers).
- Electrode Position Limit Protection: Prevents electrode over-lifting or over-lowering to avoid mechanical collision.
- Emergency Stop Function: Equips with local and remote emergency stop buttons for immediate shutdown in case of accidents.
Communication & Integration
- Supports MODBUS, PROFIBUS, Ethernet protocols to connect with factory MES/ERP systems, realizing remote monitoring and centralized management.
- Interfaces with auxiliary equipment (dust removal systems, water treatment units, electrode regulators) for coordinated operation.

Structural Design

Component	Material & Specification
Cabinet Body	Cold-rolled steel plate (thickness 2.0–2.5mm) with electrostatic spraying; IP54 protection rating (dustproof, splash-proof) for workshop environments.
Core Control Unit	PLC (e.g., Siemens S7-1500, Allen-Bradley CompactLogix) + HMI touchscreen (10–15 inch industrial grade); high-temperature resistant, anti-glare display.
Power Components	AC contactors, circuit breakers, frequency converters, voltage/current transformers; selected for high-current, high-voltage EAF working conditions (rated voltage 380V/660V, rated current up to 6300A).
Control Components	Relay modules, servo drivers, proportional valve controllers (for hydraulic electrode adjustment); isolation amplifiers to enhance anti-interference ability.
Cooling System	Built-in axial flow fans or air-conditioning units (temperature control range: 5–40℃) to ensure stable operation of electrical components in high-temperature workshops.
Wiring & Layout	Separate power and control wiring compartments; copper busbar for high-current circuits; flame-retardant cable ducts to meet safety standards (IEC 60204).

Technical Parameters

Category	Parameter	Specification
Electrical Parameters	Rated Voltage	380V AC (3-phase 50Hz) / 660V AC (customizable for large EAF)
	Control Voltage	24V DC (stable power supply for PLC/HMI)
	Rated Current	100A–6300A (matches furnace capacity: 100–800A for 10–30t EAF; 1000–6300A for 50–150t EAF)
	Power Factor Adjustment	0.85–0.95 (via reactive power compensation module)
Control Performance	Electrode Positioning Accuracy	±5mm (servo control system)
	Arc Voltage Regulation Range	50–300V (adjustable according to electrode diameter)
	Response Time	≤100ms (for electrode lifting/lowering control)
Environmental Adaptability	Operating Temperature	-20℃ to +55℃
	Relative Humidity	≤90% (non-condensing)
	Vibration Resistance	≤5Hz, amplitude ≤0.15mm (meets IEC 60068-2-6 standard)
	Protection Rating	IP54 (cabinet body); IP65 (external buttons/sensors)
Safety & Reliability	Insulation Resistance	≥100MΩ (500V DC test)
	Dielectric Strength	2000V AC (1min, no breakdown)
	Mean Time Between Failures (MTBF)	≥20,000 hours
Communication Interfaces	Standard Interfaces	RS485, Ethernet, USB
	Supported Protocols	MODBUS RTU/TCP, PROFIBUS DP, OPC UA

Application Advantages

Intelligent Operation: HMI touchscreen with visualized smelting curves enables one-key start/stop of processes, reducing the threshold for operator training.
Energy Efficiency Optimization: Dynamic adjustment of electrode parameters reduces power consumption by 8–15% compared to manual control, shortening smelting cycles by 10–20%.
Strong Anti-Interference: Isolated power supply and shielded wiring design effectively resist electromagnetic interference from high-current arcs, ensuring stable operation in harsh industrial environments.
Easy Maintenance: Modular component design allows quick replacement of faulty parts; self-diagnosis function locates faults in real time, reducing maintenance downtime.

Company Details

Bronze Gleitlager

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and

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from Quality China Factory



Business Type:

Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller 


Year Established:

2003 


Total Annual:

10millionUSD-10million


Employee Number:

>139 


Ecer Certification：

Verified Supplier 

Shaanxi Chengda Industrial Furnace Manufacturing Co., Ltd. is a high-tech enterprise specialized in the research, design, and manufacturing of various industrial furnaces, including AC and DC steelmaking electric arc furnaces, ladle refining furnaces, ferroalloy ore thermal furnaces, ferroall... Shaanxi Chengda Industrial Furnace Manufacturing Co., Ltd. is a high-tech enterprise specialized in the research, design, and manufacturing of various industrial furnaces, including AC and DC steelmaking electric arc furnaces, ladle refining furnaces, ferroalloy ore thermal furnaces, ferroall...

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