Safety Interlock Switches T4012 Universal Tongue-Operated Safety Interlock Switch Strong and versatilethe compact size of the strong, glass- filled thermoplastic housing allows this switch to be used in most applications NEMA 6 enclosure enables these switches to withstand water washdown cleaning Rotatable head gives eight possible actuator entry points for versatile installation. A blanking plug is supplied for the unused entry. Long lifethese switches, with their stainless steel actuators, are designed for a minimum of two million actuations Available in 2 or 4 contact pole versions. The 4 contact pole version provides 2 poles for dual channel safety monitoring and 2 additional poles for status monitoring. An optional stainless steel guide is available for demanding applications A Rapid Delivery Product: Select models are available for ship- R ment today or within 3 to 5 days C US G Conforms to EN1088, EN292, EN60947-5-1, EN60204-1 Specifications UL and C-UL listed, DGUV approved Electrical All Models Contact Configurations: 1 N/C + 1 N/O, 2 N/C, 2 N/C + 2 N/O, 3 N/C + 1 N/O, 4 N/C Safety Contacts: 2 N/C positive break Switching Ability AC: 230 V, 4 A DC: 24 V, 4 A Contact Material: Silver alloy, gold flashed Auxiliary Contacts: 1 N/O, 2 N/O Minimum Switching Voltage: 12 V at 10 mA Minimum Switching Current: 1 mA at 24 V Mechanical Mounting: Any position Mounting Hardware: 2 x M5 screws (not supplied) Actuator Travel for Positive Opening: 5 mm (0.197 in.) Min Operating Radius: Approximately 100 mm (3.9 in.) with flex actuator Approximately 1000 mm (39 in.) with flat or 90-degree actuator Break Contact Min Force: 25 N (5.6 lb.) Max Actuation Speed: 20 m/min. Max Actuation Frequency: 112 cycles/min. Case Material: Glass-fibre reinforced thermoplastic Actuator Material: Stainless steel Wiring Entry: 3 x M20 conduit with 0.5 in. NPT adapter Weight: 141 g (5 oz.) Color: Black with red lid 6 Mechanical Life: 2 x 10 minimum Environmental Protection: IP67 (NEMA 6) Operating Temperature: -20 to 80C (-4 to 176F) Cleaning: Water washdown Compliance Standards: EN1088, EN292, EN60947-5-1, EN60204-1 Approvals/Listings: CE marked for all applicable directives, UL and C-UL, DGUV Reliability Data per EN ISO 13849-1: B10d: 2.00E+06 Specifications are subject to change without notice. Note: The safety contacts of the STI switches are described as normally closed (N/C) i.e., with the guard closed, actuator in place, and the machine able to be started. Select models are available for Rapid Delivery. Visit this product on www.sti.com for details. www.sti.com/info G-171T4012 Safety Interlock Switches Operation Contact Arrangements T4012 G Flexible 1 Actuator Flexible 2 Actuator Optional Slide Bolts 15 degree flexibility may be 15 degree flexibility may be Allows easy installation of adjusted with the set screw. adjusted with the set screw. switch on machine guards Actuator included (order switch separately) Metal Slide Bolt Integral handle included Robust for use with heavy doors Slotted hole in bolt permits attaching multiple padlocks Plastic Slide Bolt Yellow color for easy recognition Flat Actuator 90-Degree Actuator Available with and without Available with and without rubber bushings. rubber bushings. Optional Alignment Guide Optional SLD Series Optional stainless steel alignment guide Optional switch locking devices are aids actuator entry and is easily installed. available. See accessories section for details. Select models are available for Rapid Delivery. Visit this product on www.sti.com for details. www.sti.com/info G-172