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440K-C21057 Datasheet(PDF) 1 Page - Allen-Bradley |
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440K-C21057 Datasheet(HTML) 1 Page - Allen-Bradley |
1 / 4 page 3-6 Interlock Switches Tongue Switches Cadet 3 Description The Cadet 3 is a tongue (or key) operated safety interlock switch designed to fit at the leading edge of sliding, hinged or lift-off guards. With its dual entry slots and rotatable head, the versatile Cadet 3 can offer up to eight different actuator entry options. The unique compact housing (90.5 x 31 x 30.4mm (3.56 x 1.22 x 1.19in)) has industry standard DIN 50047 fixing centres for ease of mounting. Operation of the switch is achieved through the insertion of a specially profiled stainless steel key that is permanently mounted to the guard door. A semi-flexible key allows the Cadet 3 to be used on small radii doors (60mm or 2.36in). Available with a variety of contact configurations, the Cadet 3 is sealed to IP67. A blanking plug is supplied for the unused key entry. Features •Compact size • Ideal for small, light weight guards • Contacts, 2 N.C. + 1 N.O. or 3 N.C. •Sealed to IP67 • Eight possible actuator entry points, easy to install • Industry standard fixing centres to DIN 50047 Applications Note: Lift-off guards require good alignment when using tongue actuated interlock switches. IMPORTANT: It must not be possible to lift the guard without actuating the interlock. An interlock on either side may be required. Specifications ➊ Conductive pollution occurs, or dry, non conductive pollution occur which becomes conductive due to condensation. Standards EN954-1, ISO13849-1, IEC/EN60204-1, NFPA79, EN1088, ISO14119, IEC/ EN60947-5-1, ANSI B11.19, AS4024.1 Category Cat. 1 Device per EN954-1 Dual channel interlocks suitable for Cat. 3 or 4 systems Approvals CE marked for all applicable directives, cULus, TUV Nord Safety Contacts 2 N.C. or 3 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 Min Current 5V 5mA DC Typical Contact Resistance 5m Ω Rtd. Insulation Voltage (Ui) 500V Rtd. Impulse Withstand Volt. (Uimp) 2500V Auxiliary Contacts 1 N.O. Pollution Degree ➊ 3 Actuator Travel for Positive Opening 5mm (0.098in) Min Operating Radius 150mm (5.905in) (60mm (2.36in) with GD2 kit) Break Contact Min Force 15N (3.38pd) Max Actuation Speed 160mm (6.299) per sec Max Actuation Frequency 2 Cycle per sec Case Material UL approved glass filled polyester Actuator Material Stainless Steel Protection IP67 Conduit Entry 1 x M16 or quick-disconnect style Operating Temperature -20°C to + 80°C (-4°F to +176°F) Fixing 2 x M4 Mounting Any position Mechanical Life 1,000,000 operations Electrical Life 1,000,000 operations Weight 80g (0.176lbs) Colour Red |
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