ROTATING SPINDLE LIMIT SWITCH
The seven rotating spindle limit switches in the category are versions of type MSP 452 with full shaft of 10 mm diameter and 30 mm length. The housing is painted, galvanised grey cast iron; connection is via a cable entry M20 x 1.5 with plug. All seven carry two separate contact sets of 1 NO contact and 1 NC contact each and reach 3,000,000 mechanical operating cycles.
Spindle range and switching principle
How many spindle revolutions pass until switching can be set by adjusting the contact inserts: on four items between 4 and 55, on three between 45 and 100 revolutions, with at least 5 revolutions of overtravel to each side. Six items are snap action, one slow action. The actuating torque is 0.2 Nm, the contact opening 2 x 0.5 mm.
Electrical data and degree of protection
Thermal continuous current 6 A, in utilisation category AC-15 2.5 A at 230 VAC, rated insulation voltage Ui 250 VAC and Uimp 4 kV. The degree of protection is IP65 on three items, IP66 on three and IP66 and IP67 on one. Ambient temperature -30 to +90 °C, sensor dimensions 174 x 118 x 64 mm. CCC is stated for five of the seven items.
