DC BRAKE RECTIFIER PANEL

DC BRAKE RECTIFIER PANEL

AC to DC Rectifier for Electromagnetic Brake Control

The Rectifier Unit is a compact and rugged solution designed to supply the required DC power to shunt-type electromagnetic DC brakes used in cranes, hoists, and industrial machinery. It ensures dependable brake operation by converting standard AC mains into smooth DC output, providing both inrush current for quick brake release and a reduced holding current for efficient continuous duty.

⚡️Key Features & Benefits
  • Purpose-Built for Crane & Hoist Brakes
    Specially designed to power electromagnetic DC brakes, ensuring safe and reliable stopping performance.
  • Dual Output Functionality
    Supplies high inrush DC voltage to release the brake rapidly, then automatically switches to a lower holding voltage to minimize coil heating and extend brake life.
  • Rugged Industrial Design
    Compact, dust-protected enclosure suitable for demanding crane and hoist environments.
  • Low Maintenance, Long Life
    No moving parts and a simple design ensure durability, reliability, and minimal service requirements.
📝 Technical Specifications
Specification Details
Input Voltage 400–415 VAC, 50 Hz (standard 3-phase supply)
Output Voltage High inrush DC (approx. 190–220 V) and reduced holding DC (approx. 95–110 V)
Output Current Suitable for brakes up to Ø700 mm (depending on brake rating)
Duty Cycle Continuous duty for crane/hoist brake operation
Mounting Compact panel-mount design
Enclosure Industrial-grade, dust-protected
Cooling Natural air cooling (no fans required)
🤖 Advanced (Smart/Intellgent) Functions
  • Automatic Voltage Switching
    Provides full DC voltage at start (inrush) and reduces automatically to holding voltage after brake release.
  • Heat Reduction for Coils
    Lower holding voltage minimizes coil heating, improving brake life and reducing energy consumption.
  • Simple & Reliable Operation
    No complex electronics — just a solid rectifier design built for industrial reliability.
💼 Applications
  • EOT cranes and gantry cranes using DC electromagnetic brakes
  • Hoists and lifting machinery requiring dependable brake release and hold control
  • Material handling equipment needing consistent, low-maintenance brake power supplies
  • Industrial retrofits where simple AC-to-DC brake conversion is needed

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