Drives / Loop Controllers / PACs / PLCs | Automotive | General Manufacturing | Industrial | Product News

Siemens: SIMOVAC Non-Arc-Resistant and SIMOVAC-AR Arc-Resistant Motor Controllers

January 4, 2023

The Siemens SIMOVAC medium-voltage non-arc-resistant and SIMOVAC-ARarc-resistant controllers have a modular design incorporating up to two 12SVC400 (400 A) controllers, housed in a freestanding sheet steel enclosure. Each controller is UL 347 class E2, equipped with three current-limiting fuses, a non-load-break isolating switch, and a fixed-mounted vacuum contactor (plug-in type optional for 12SVC400). The enclosure is designed for front access, allowing the equipment to be located with the rear of the equipment close to a non-combustible wall.

Typical motor and feeder applications:

Squirrel-cage induction motors (non-reversing, reversing, multi-speed or soft start)
Transformer feeder
Power bus feeders (tie).

Typical SIMOVAC controller types:

Full-voltage non-reversing (FVNR)
Full-voltage reversing (FVR)
Two-speed two winding (2S2W)
Two-speed one winding (2S1W)
Reduced-voltage autotransformer (RVAT)
Solid-state reduced-voltage (or soft start) starter (SSRVS).

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Automotive | Drives / Loop Controllers / PACs / PLCs | General Manufacturing | Industrial | Product News

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General Manufacturing | Industrial | Product News | Switches / Indicators / Relays / Solenoids

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Connectors / Cables / Terminal Blocks

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County of San Bernardino in California

The county of covers more than 20,000 square miles and comprises 24 cities encompassing more than 2 million residents. In fact, San Bernardino is the largest county in the United States. For the county’s facilities management staff, responding to a service call for one of the county’s many buildings meant spending several hours on the road and using many gallons of fuel. By taking a proactive approach with Siemens, the county has become more sustainable and energy efficient.

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