Schneider Electric Varlogic RT 8-Step Power Factor Controller – 320–460V AC

The Schneider Electric Varlogic RT (Reference 51209) is a microprocessor-based Automatic Power Factor (PF) Controller designed for precise regulation of capacitor banks in low-voltage power factor correction (PFC) systems. With 8 control steps, it provides enhanced reactive power compensation for medium-capacity industrial and commercial installations.

Operating within a voltage range of 320–460V AC, the Varlogic RT continuously monitors system parameters using True RMS measurement and automatically switches capacitor stages to maintain the programmed target power factor. Its intelligent control algorithm optimizes switching sequences, ensuring balanced capacitor utilization and extended equipment lifespan.

Key Technical Specifications:

• Brand: Schneider Electric

• Model: Varlogic RT

• Reference Number: 51209

• Type: Automatic Power Factor Controller

• Number of Steps: 8

• Operating Voltage Range: 320–460V AC

• Frequency: 50/60Hz

• Measurement: True RMS voltage and current sensing

• Control Mode: Automatic capacitor step switching

• Mounting: Panel-mounted

• Application: Low-voltage APFC systems

Features & Benefits:

• Automatic and intelligent power factor regulation

• 8-step control for medium-size capacitor banks

• Reduces utility reactive power penalties

• Enhances energy efficiency and system stability

• Optimized capacitor switching sequence

• Compact and user-friendly design

• Reliable performance for continuous operation

Typical Applications:

• Automatic Power Factor Correction (APFC) panels

• Industrial facilities

• Commercial buildings

• Manufacturing plants

• Generator-based systems

• Low-voltage distribution networks

The Schneider Varlogic RT 8-Step PF Controller (51209) ensures dependable reactive power compensation, improved power quality, and optimized energy performance in electrical installations.