Combining adjustable speed drive and power quality solutions

For municipal and industrial pumping applications, the Square D® brand PowerGard™ Series C 18-Pulse enclosed drive controller features the new Telemecanique® brand Altivar® 61 and 71 adjustable frequency drives/power converters. Schneider Electric’s experience and expertise in power distribution and power quality measurement are combined with solid state motor control. The result: A robust, packaged, adjustable speed drive with clean power solution.

PowerGard™18-Pulse drives are ideal for installations specifying “clean power” low- harmonic content in compliance with IEEE 519 guidelines for harmonic mitigation. PowerGard™ 18-Pulse drives are UL508 listed and feature a heavy-duty industrial disconnect handle with lock-out/tag-out provisions. PowerGard™ 18-Pulse enclosed drive controllers are low voltage products available in the following ratings:

Constant torque (Heavy duty ratings – 150% current limit)

• Altivar® 71 power converter
• 40 to 450 hp, 460 V

Variable torque (Light duty ratings – 110% current limit)

• Altivar® 61 power converter
• 50 to 500 hp, 460 V

PowerGard™ 18-Pulse enclosed drive controllers are available in Type 1 general purpose or with fan filter options

What can the PowerGard 18-Pulse controller do for you?

Custom performance

• Clean power (low harmonic content) for high-horsepower ratings
• Customized for specific applications
• Advanced technology platform increases reliability and uptime
• Dedicated 18-Pulse transformer/reactor and bridge rectifiers
• Altivar 61 and 71 power converters for peak performance

Ease of use

• Intuitive door-mounted graphic display screen in plain text
• Programming is clear, precise and illustrated; diagnostics are intuitive
• Operators mounted on enclosure doors are pre-programmed to save set-up time and expense

Fully protected

• Patented 18-Pulse converter technology with premium harmonic mitigation
• 100,000 AIC coordinated, UL508 listed and NEC article 409 rated
  Meets 2003 IBC and ASCE 7 standards for seismic qualification (optional)

Expandable network capabilities

• For building automation, add Lonworks®, BACNet™, MetaSYS® N2, APOGEE® P1 communciations cards
• For industrial applications, add DeviceNet™, Ethernet TCP/IP, FIPIO, Interbus-S, Modbus® Plus, Modbus Uni-Telway, Profibus® DP communication cards