These general purpose clutches are used in a variety of applications usually driven by petrol or diesel engines. Typically bearing mountedclutches, which can be used in a variety of mobile, agricultural, industrial and marine applications. Mounted on either the driving or driven shaft. Supplied with either pulley or universal mounting flange tomount a sprocket, coupling adaptor or customer’s specialised pulley. The clutch can be engaged or disengaged froma remote location such as the cab in a truck or a control panel. Safety. RemoteActuation. Reduced Power Consumption from the Engine. Since the clutch is only engaged when it is required to run, engine horsepower can be utilized for other functions when the clutch is not driving. This is particularly important if horsepower is required to perform an independent driving function or in applications such as fans or blowers that consume a lot of horsepower and do not need to run all the time the engine is running. Simple Installation. In cases where the clutch is driving applications such as a stump grinder or a trencher, many times these can be fitted with an operator presence control so if the operator lets go of the handle, the clutch automatically disengages. Since electric clutches are not speed dependent, they can be engaged and disengaged at any point in their speed range. Operator Convenience. Rather than amechanical linkage which can cause an additional force required by an operator to engage a clutch, an electric clutch is engaged by a simple flip of a switch. Because the clutch is engaged electrically, this switch can be incorporated into a control panel so the operator does not have to be in the same location as the clutch when it engages. Since the clutch runs directly off the battery, all that is required is a basic switch to engage and disengage the clutch. 509812 149.14 / 110 3600 1" 12 / 50 Pulley 4.13 2/A 4.54 / 10.00 Part Static Torque Maximum Bore Volts / Watts Output Ref. Pitch Dia. Number of Weight 515609 149.14 / 110 3600 1" 12 / 47 Hub 3.62 UnivMt 4.54 / 10.00 509044 338.95 / 250 3600 1.438" 12 / 50 Pulley 4.65 2/A 7.26 / 16.00 516849 338.95 / 250 3600 1" 12 / 50 Pulley 4.65 2/A 7.26 / 16.00 Number Nm / ft-lbs rpm mm / inch Grooves kg / lbs 538567 149.14 / 110 3600 1" 12 / 45 Hub 4.49 UnivMt tbc 505894 149.14 / 110 3600 *Taper 12 / 50 Hub 2.75 UnivMt 4.99 / 11.00 515294 149.14 / 110 3600 25 mm 12 / 47 Pulley 4.07 2/3V 5.44 / 12.00 538649 149.14 / 110 3600 1" 12 / 45 Pulley 3.90 1 tbc 519225 338.95 / 250 3600 1.125" 12 / 50 Hub 3.90 UnivMt 7.26 / 16.00 535411 149.14 / 110 3600 1" 12 / 46.6 Hub 3.62 UnivMt 4.54 / 10.00 532747 542.33 / 400 3600 1.25" 12 / 68 Hub 0.00 N/A tbc 535528 542.33 / 400 3600 1.125" 12 / 68 Pulley 4.24 3/B 8.16 / 18.00 538332 542.33 / 400 3600 1.438" 12 / 68 Pulley 4.69 3 tbc 521325 338.95 / 250 3600 1.125" 12 / 50 Pulley 4.65 2/A 7.26 / 16.00 Can handle almost all direct engine mount clutch requirements in the 3.73 kW (5 hp) to 29.83 kW (40 hp)load range. www.jbj.co.uk/electromagnetic-clutches.html 14 #DriveLineHarmony General Purpose Clutches Introduction
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