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) |
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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.