S120N480A20F001 REACTOR WITHOUT SHADOW
Precision Power Solutions for the Toughest Applications

DC Link Chokes

CTM Magnetics’ DC Link Chokes are precision-engineered to deliver unmatched reliability and long-lasting performance. Designed to filter and stabilize DC bus voltage and current in variable speed drives and inverters, they provide robust protection against harmonic distortion and voltage spikes. By absorbing surges and minimizing ripple, these chokes enhance internal system protection, ensuring your equipment operates at peak efficiency without compromising input bridge rectifiers or inverter outputs.  

  • Customizable Design
  • Low-Noise Operation
  • Rugged Terminals

Product Options

Windings
  • Copper
  • Aluminum
Phase
  • Single-Phase
  • 3-Phase

Applications

CTM Magnetics’ DC Link Chokes excel in demanding applications, making them the trusted choice for:

  • Precision AC PWM inverters and drives
  • High-performance DC to AC inverters
  • Variable frequency motor drives
  • Advanced electric vehicle inverters
  • DC to DC converters/ battery chargers

Reliable Power Protection

Our DC Link Chokes are engineered to optimize your operations by:
  • Reducing Harmonics: Minimize electrical noise and enhance system stability for cleaner, more efficient power delivery.
  • Absorbing Voltage Spikes: Protect your system from damaging voltage and current surges.
  • Smoothing Ripple: Stabilize DC bus performance for consistent operation.
  • Safeguarding Components: Reduce dv/dt and di/dt rates to protect sensitive electronics.
  • Preventing Downtime: Eliminate nuisance over-voltage trips that can halt productivity.
  • Controlling Transients: Mitigate DC bus over-voltage to extend system longevity.

Reliable Solutions Across Critical Industries

Variable Frequency Drives (VFDs):

  • Energy-efficient motor drives for oil and gas pumping systems (e.g., ESPs and rod pumps)
  • Mining equipment, conveyor systems, and HVAC solutions for building management
  • Precision cooling and airflow systems for data centers

Electric Vehicle and Marine Powertrains:

  • EV drivetrain systems, including hybrid vehicles and charging infrastructure
  • Electric bus and heavy equipment powertrains
  • Shipboard power systems, offshore platforms, and electric propulsion drives

Critical Power and Data Infrastructure:

  • High-efficiency power distribution units (PDUs) for data centers
  • Critical backup power systems to ensure reliability in demanding environments
  • Advanced energy systems requiring harmonic reduction and power stability

Industrial and Renewable Energy Systems:

  • Precision AC PWM inverters for CNC machinery, robotics, and automation
  • High-performance DC to AC inverters for solar, wind, and grid-tied energy storage
  • Backup power systems (UPS) for industrial and renewable applications

Specifications

DC Link Chokes

Maximum Voltage
1400V DC

Ripple Frequency
Up to 1 MHz

Ripple Current
10% peak to peak

Ambient Temperature
55°C

Insulation System
200°C

Agency Recognitions
cЯUus 1446
UL 508A

Custom Solutions

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