Trafotek CHK0400 Three-phase AC Input Reactor

Product Description

Trafotek (AQ Trafotek) CHK0400 is a three-phase AC line reactor (AC Choke) designed for high-power Eaton SVX9000 variable frequency drives, belonging to the dry-type iron-core reactor CHK series. It adopts VPI vacuum pressure impregnated windings with compact cabinet-mounted construction. Installed on the input side of VFD, it suppresses grid harmonics, limits inrush surge current, reduces di/dt, protects rectifier bridges and power semiconductors, and improves power quality on the input side. It is standard passive filter component for high-power variable speed drive systems, built for high reliability under harsh industrial conditions.

Technical Specifications

• Product Name: Three-phase AC Line Choke
• Brand: AQ Trafotek (Finland)
• Model: CHK0400
• Compatible Drive: Eaton SVX9000 high-power VFD
• Phase: 3-phase
• Construction: Dry-type iron-core reactor, VPI impregnated winding
• Protection Class: IP00 (cabinet internal mounting)
• Mounting: Base bolt mounting inside electrical cabinet
• Dimension: approx. 238mm(H) ×262mm(W) ×206mm(D)
• Functions: Harmonic suppression, inrush current limiting, di/dt reduction, VFD rectifier protection
• Winding Material: Copper winding with low-loss design
• Cooling: Natural air cooling (AN)
• Certifications: CE, compliant with IEC industrial drive standards
• Environment: Indoor cabinet installation, resistant to dust and vibration

Application

1. Input side line choke for Eaton SVX9000 high-power variable frequency drives
2. Large motor variable speed systems in petrochemical, metallurgy, mining and water treatment
3. Mitigate grid harmonics and reduce grid pollution to meet power quality requirements
4. Limit switch-on inrush current, protect VFD rectifier diodes and reduce power device failures
5. Long motor cable applications, attenuate current spikes and reduce system EMI interference

Same Series Models

CHK0261, CHK0520, CHK0630, CHK0800, CHK1000