Variable Frequency Drives offer NEMA 3R mounting option.

Press Release Summary:



NEMA 3R enclosure on Series SED2 allows outdoor mounting of drives near controlled mechanical equipment and permits short motor lead lengths. Package is equipped with main input fused disconnect and optional 2- or 3- contactor bypass and line reactor. Shield protects unit from heating effects of indirect sunlight. Filtered inlet, fan-controlled exhaust, and thermostatically controlled heater ensure that required ambient conditions are maintained.



Original Press Release:


Siemens Improves VFD Flexibility with NEMA 3R Mounting Option


BUFFALO GROVE, Ill., Sept. 8, 2004 - Siemens Building Technologies, Inc. has introduced a NEMA 3R enclosure package for its line of SED2 Variable Frequency Drives (VFDs). NEMA 3R enclosures allow outdoor mounting of VFDs near the controlled mechanical equipment and permit short motor lead-lengths for optimum performance.

The SED2 NEMA 3R package is equipped with a main input fused disconnect and optional two- or three- contactor bypass and line reactor. The NEMA 3R package protects SED2 VFD and bypass components from rain, snow and ice. The cabinet is provided with a shield that protects the unit from heating effects of indirect sunlight.

A filtered inlet, fan-controlled exhaust, and thermostatically controlled heater are supplied to ensure that required enclosure ambient conditions are maintained (0-40 degrees C). A High Temperature option is available for locations that can reach up to 50 degrees C.

Siemens SED2 Variable Frequency Drives, as well as the full line of Siemens HVAC sensors, valves, actuators and building control systems are available through hundreds of Siemens Building Technologies local offices, drive reps and Staefa Control System dealers.

For more information on Siemens Building Technologies, visit www.sbt.siemens.com/hvp.

Mark L. W. Rehwald

Senior Marketing Manager

Siemens Building Technologies, Inc.

Direct: (847) 941-6556

Fax: (847) 941-3250

www.sbt.siemens.com

www.staefa.com

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