www.jbj.co.uk/electromagnetic-clutches.html 12 #DriveLineHarmony INDUSTRIAL CORP OGURA Electromagnetic Clutches Soft Start Controller The patented Softstart ClutchController offers a simple solution to all of these issues! » Belt Life: Reduce wear and breakage for belts and improve the quality & reputa-tion of the equipment. » Engine Cost Savings: The Softstart Clutch enables OEM's to reduce equipment engine size to save money. » Mechanical Life: The Softstart lessens forces to mechanical parts and improves the life of bolts, decks, brackets and other mechanical parts. » Engine Stall: The Softstart eliminates engine stalling and RPM droop by utilizing closed loop RPM monitoring while engaging the electric clutch. » Mechanical Jolt: Smooth engagement means less jolt to the equipment and customers. Min. Nom. Max. Units. Gas Version ‘On’ Response Time 220 250 280 mS Soft Start Ramp Time 900 1000 1100 mS Min. Nom. Max. Units. Input Range 1000 - 4000 RPM* Load dump ISO 7637-2 test pulse 5A Tachometer Input (for closed loop versions) *Note RPM Input spark pattern 1:1 (1 pulse per revolution, other patterns available). Absolute Maximum Ratings - Model 3112300000 Protection Max. on Resistance - - 0.05 Ohms Operating Voltage 8 - 16 Volts Min. Nom. Max. Units. Impedance - 1.5 - Mohms Over current (13.8 VDC) 47 89 131 Amps Operating Voltage 8 - 16 Volts Absolute Maximum Ratings - Model 3112800000 Min. Nom. Max. Units. Frequency Range 170 - 700 Hz* Soft Start Ramp Time 900 1000 1100 mS Impedance - 100 - Kohms Trigger (VIL) - - 3.3 Volts Diesel & Electric Version Min. Nom. Max. Units. Max. on Resistance - - 0.05 Ohms Alternator Tachometer (for closed loop versions) ‘On’ Response Time 220 250 280 mS Trigger (VIH) 4.7 - - Volts Load dump ISO 7637-2 test pulse 5A Over current (13.8 VDC) 47 89 131 Amps Min. Nom. Max. Units. *Note Other frequency ranges available Protection 76.2 mm (3") 22.2 mm (0.875") 3.2 mm (0.125") 13.1 mm (0.517") 24.3 mm (0.957") 57.2 mm (2.250") 63.5 mm (2.500") 34.2 ± 0.6 mm (1.346 ±0.025") 2.8194 ±0.6 mm (0.111 ±0.025") 6.35 mm (0.250") Ø4.6 mm (0.180")
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