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High Energy Pulse Resistors

High-Energy Ceramic Soft-Start Resistors for 480V/600V Motor Drives

Solid-state ceramic resistors engineered for soft-start and current-limiting applications in industrial motor drives. Absorbs up to 500 J/cm³ energy density with minimal inductance (<10µH). Eliminates thermal fatigue failures common in wire-wound resistors. Ideal for thyristor soft-start cabinets, VFD pre-charge circuits, and high-voltage motor control systems (480V-2500V). Compact design reduces cabinet footprint by 40%. Rated for 1 million start cycles.

Category: High Energy Pulse Resistors

soft start resistors inrush current limiting motor soft start thyristor resistors ceramic resistors high energy resistors 480V motor control 600V applications
Description Specifications

High-Energy Ceramic Resistors is composed of high-energy composite ceramic resistor elements, featuring low inductance of only a few microhenries. It is compact and lightweight, capable of absorbing high current in a short period.

It has been successfully used in power capacitor compensation circuits, high-voltage resistive-capacitive absorbers, variable frequency braking resistors, high-voltage soft-start thyristor soft-start resistors, wind power inverter circuits, and high-voltage center-grounding resistors, among others. The energy absorption capability can reach up to 500 J/cm³.

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