Model: 250 Watts S50 S0250-81C-212 60 Hz Standard High Pressure Sodium 120 Input Volts 208 240 277 480 CWA Circuit Type CWA Wiring Diagram Number 1091-912000-018 0.98 Power Factor Regulation Line Volts ± 10 % Lamp Watts Within Trapezoid Line Current (Amps) Operating 2.5 1.5 1.3 1.1 0.6 Open Circuit 1.5 0.9 0.8 0.6 0.4 Starting 1.5 0.9 0.7 0.6 0.4 8 5 4 3 2 Recommended Fuse UL Temperature Ratings Insulation Class H (180°C) Coil Temperature Code A A A A A Benchtop Coil Rise Primary <75 <75 <75 <75 <75 Benchtop Coil Rise Secondary <75 <75 <75 <75 <75 292 292 292 292 292 63 104 120 138 265 min 0.8 0.5 0.4 0.4 0.2 max 2.4 1.4 1.2 1.1 0.6 min 0.6 0.4 0.3 0.3 0.2 max 1.9 1.1 0.9 0.8 0.5 Input Watts Outside Dimensions Drawing 186 1.62 NOM Open Circuit Volts Current Crest Factor Input Voltage at Lamp Dropout Min Ambient Starting Temp. -40°F -40°C High Potential Test (Volts) 1 Minute 2000 1 Second 2400 Open Circuit Voltage Test (Volts) Open Circuit Voltage 175 - 210 Input Current Short Circuit Current Test (Amps) Secondary Current 3.0 - ISO-View of Core Coil 1091-912002-002 4.5 Input Current Core and Coil Specifications Dimension A" 2.00 Dimension B" 3.6 Weight (lbs.) 11.7 Lead Lengths (in) 12 Capacitor Specifications Microfarads 35 Volts (min.) 240 Case Size (in.) Oval OIL Filled 1.75 Height ( in.) Temp Rating °C DRY Film 1.8 3.87 4.7 90 100 Starter Specifications Model Number ST2000 BTL 5 Temp Rating °C 105 Rev. Date: 12/21/2009 Test Ref.: Verification Prolonged operation (a matter of weeks) with a lamp that does not start will eventually cause ballast to fail. The best practice is to replace failed lamps to prolong ballast life. In situations where lamp maintenance is not practical, ask about incorporating Howard's Starter Stopper, to reduce the stress on the ballast when the lamp reaches end of life and fails to start. 1093-910329-100 Specifications subject to change without notice. Howard Industries, Inc. Ballast Products Division P.O. Box 1590 Laurel, MS 39441 Phone: 1-800-956-3456 Fax: (601) 422-1652 www.howardlightingproducts.com
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