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440A-A17123 Datasheet(PDF) 1 Page - Allen-Bradley |
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440A-A17123 Datasheet(HTML) 1 Page - Allen-Bradley |
1 / 6 page 6-8 Emergency Stop Devices Cable (Rope) Pull Switches Lifeline 4 Description The Lifeline 4 cable/push button operated system can be installed along or around awkward machinery such as conveyors and provide a constant emergency stop access. The Lifeline 4 is the only device of its kind to incorporate the following features in one unit making it the most versatile cable switch on the market. 1. The positive mode mechanism ensures that the contacts are immediately latched open on actuation and can only be reset by the intentional action of turning the blue reset knob. The design also protects against nuisance tripping and the effects of thermal expansion. 2. A mushroom head emergency stop button is included on the unit to provide E-Stop access even at the extreme ends of the span. 3. The cable status indicator makes the system easy to set up and maintain for spans up to 125 meters. 4. Four sets of contacts are provided: 2 N.C. + 2 N.O., 3 N.C. + 1 N.O., or 4 N.C. contacts. 5. Sealed to IP 66 with rugged construction using die cast alloy and stainless steel to withstand harsh conditions. Features • Switches up to 125 meter span • Universal mounting and operation • Lid mounted emergency stop button, designed to conform to EN418 • Switch lockout on cable pulled and cable slack • Cable status indicator on switch lid Lid mounted E-Stop button A mushroom head emergency stop button is included on the unit to provide total E-Stop access even at the extreme ends of the span. Cable status indicator on lid The cable status indicator makes the system easy to setup and maintain for spans up to 125 meters. Specifications Standards EN60947-5-5, ISO13850, ISOTR 12100, IEC 60947-5-1, EN 418 Approvals CE marked for all applicable directive, cULus and BG Safety Contact 2 N.C. or 3 N.C. or 4 N.C. direct opening action Designation/Utilization Cat. A600/AC-15 (Ue) (Ie) N600/DC-13 (Ue) (Ie) 600V 500V 240V 120V 1.2A 1.4A 3A 6A 600V 500V 250V 125V 0.4A 0.55A 1.1A 2.2A Thermal Current (lth) 10A Minimum Current 5V 5mA Safety Contact Gap >2 x 2mm (0.078in) Rtd. Insulation Voltage (Ui) 500V Rtd. Impulse withstand Voltage (Uimp) 2500V Pollution Degree 3 Max. Actuation Frequency 1 Cycle per sec Case Material Heavy duty die cast alloy Eye Nut Material Stainless Steel Emergency Stop & Indicator Material Acetal Protection IP66 Conduit Entry 3 x M20, 3 x 1/2in NPT, quick- disconnect style Operating Temperature -25°C to 80°C (-13°F to 176°F) Operation Force <125N (300mm deflection; 28.1lb deflection) Max Cable Span Between Switches 75m (246ft) standard model 75m to 125m extended length model Fixing 4 x M5 Mounting Any position Mechanical Life 1,000,000 Weight 630g (1.38lb) Colour Yellow body, Red E-Stop button, Blue reset button Important: It is recommended that the LRTS (Lifeline Rope Tensioning System) should be used with the Lifeline 4 cable rope switch. |
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