For municipal and industrial pumping applications, the Square D® brand PowerGard Series C 18-Pulse enclosed drive controller features the 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.

PowerGard18-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, 460V

Variable torque (Light duty ratings - 110% current limit)
• Altivar 61 power converter
• 50 to 500 HP, 460V

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

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

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

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)

Contact your Schneider Electric sales representative or Square D distributor for more information. Or, call 1-866-SquareD.

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