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FD515 Datasheet(PDF) 7 Page - List of Unclassifed Manufacturers |
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FD515 Datasheet(HTML) 7 Page - List of Unclassifed Manufacturers |
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7 / 8 page  Standard actuator options – FL series FD/FP/FL Actuator type 40 Dual roller lever with two stable free positions Specify lever type: Double track (shown above) L42 Single track (not shown) L41 Steel rod lever L43 Actuator type 51 Roller lever with large offset OF 920gcm PT 30˚ OT 45˚ MD 14˚ OP – OS 1.5m/s using a 30˚ cam Notes: 1. ø20mm plastic roller as standard, ø20mm metal roller actuator part no.: 511. 2. Lever position adjustable over 360˚ in 10˚ increments Actuator type 52 Roller lever without offset OF 920gcm PT 30˚ OT 45˚ MD 14˚ OP – OS 1.5m/s using a 30˚ cam Notes: 1. ø20mm plastic roller as standard, ø20mm metal roller actuator part no.: 521; ø35mm plastic roller actuator part no.: 522; ø50mm rubber roller actuator part no.:523. 2. Lever position adjustable over 360˚ in 10˚ increments Actuator type 76 Rope OF 2450g PT 1.8mm OT 6.4mm MD 1mm OP 66.8mm OS – Note: Not suitable for safety circuits. For rope operated safety switches, see Safety Limit Switches data sheet on page 217 Actuator type 53 Porcelain roller lever OF 615gcm PT 30˚ OT 45˚ MD 14˚ OP – OS – Note: Lever position adjustable over 360˚ in 10˚ increments Glossary The following is a glossary of terms in specifying actuator characteristics: Operating force (OF) The force applied to the actuator required to operate the switch contacts. Releasing force (RF) The value to which the force on the actuator must be reduced to allow the contacts to return to the normal position. Total force (TF) The force applied to the actuator required to reach the stopper from the free position. Free position (FP) The initial position of the actuator when there is no external force applied. Operating position (OP) The position of the actuator at which the contacts snap to the operated contact position measured with respect to the centres of the mounting holes. Releasing position (RP) The position of the actuator at which the contacts snap from the operated contact position to their normal position. Total travel position (TTP) The position of the actuator when it reaches the limit of travel – must not be exceeded. Pretravel (PT) The distance or angle through which the actuator moves from the free position to the operating position. Overtravel (OT) The distance or angle of the actuator movement beyond the operating position. Movement differential (MD) The distance or angle from the operating position to the releasing position. Total travel (TT) The sum of the pretravel and overtravel expressed by distance or angle. FP PP OP PT MD MD PT TT TTP TTP RF AP OP OF RF TF MD OT Operate Release PT OP TTP RP TT |
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