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253G 2HP DC Speed Control

Understand AC Supply and Motor Connection

Trimpot Definition and Adjustment

253G 2HP DC Speed Control

Understand AC Supply and Motor Connection

Trimpot Definition and Adjustment


The 250 Series offers superb flexibility, reliability, and value. A general purpose, economical control rated to 2 horsepower, it provides the ultimate in standard features and versatility including: dual voltage (120/240VAC), adjustable H.P. settings, packaged power bridge, barrier terminal strip, fully rated-no auxiliary heatsink required, and chassis or NEMA 4/12 enclosure. Many options further extend the 250’s capabilities. A logical, easily accessible layout simplifies installation and adjustment. Clean design, quality components and careful assembly are trademarks of Dart Controls.

See NEW INFORMATION regarding metering pump applications:

MODEL NUMBER STYLE INPUT (VAC) OUTPUT (VDC) HP RANGE
251G-12C CHASSIS 120/240 0-90/180 1/50-1/8 (90V) 1/25-1/4 (180)
251G-12E ENCLOSED 120/240 0-90/180 1/50-1/8 (90V) 1/25-1/4 (180)
253G-200C CHASSIS 120/240 0-90/180 1/8-1 (90V) 1/4-2 (180V)
253G-200E ENCLOSED 120/240 0-90/180 1/8-1 (90V) 1/4-2 (180V)

Horsepower settings are adjustable, 1/50 thru 1/8 and 1/8 thru 2 – see installation manual. Control is tested and calibrated for maximum horsepower in its category.

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