Safety interlock Switches ER5018 er5018 compact rope Pull emergency Stop Switch Compact size allows this switch to be used on smaller machines with a mounting width of 40 mm (1.57 in.) and covering rope spans up to 40 m (131 ft.) Tension indicatorthe tension indicator makes the system easy to set up and to maintain the proper rope tension Contact arrangements of 2 N/C + 1 N/O or 3 N/C IP67 (NEMA 6) enclosure enables the ER5018 switch to withstand water washdown cleaning Heavy-duty housingthe die-cast housing and stainless steel eye nut makes the ER5018 suitable for demanding industrial applications Integral E-Stopthe optional E-stop provides emergency stopping at the extreme end of the installation Reset buttonthe blue reset button must be pushed in order to return to machine run condition following switch actuation by a pulled or slacked rope Vibration tolerantthe snap-acting switch contacts protect against nuisance tripping due to vibration r C US g Conforms to IEC947-5-1, IEC947-5-5, EN418, UL508, BS5304 UL and C-UL listed, TUV certified Specifications electrical All models Contact Configurations: 2 N/C + 1 N/O, 3 N/C Safety Contacts: 2 N/C, 3 N/C Switching Ability AC: 120 V6 A, 240 V3 A, Inductive DC: 24 V2.5 A, Inductive Auxiliary Contacts: 1 N/O Max Switching Current/Volt/Amp: 240 V/720 VA Minimum Current: 5 V 5 mA DC 6 Electrical Life: 1 x 10 minimum mechanical Mounting: Any position Mounting Hardware: 2 x M5 screws Max Rope Span: 40 m (131 ft.) Operation Force: < 125 N (28 lb.) Tensioning Force to Run Position: 130 N (23 lb.) typical Case Material: Die-cast aluminum alloy Eye Nut Material: Stainless steel Wiring Entry: 3 x M20 or 3 x 0.5 in. NPT Weight: 675 g (23.8 oz.) Color: Yellow 6 Mechanical Life: 1 x 10 minimum environmental Protection: IP67 (NEMA 6) Operating Temperature: -25 to 80C (-13 to 176F) Cleaning: Water washdown compliance Standards: IEC947-5-1, IEC947-5-5, EN418, UL508, BS5304 Approvals/Listings: CE marked for all applicable directives, UL and C-UL, TUV Specifications are subject to change without notice. Note: The safety contacts of the Omron STI switches are described as normally closed (N/C) i.e., with the rope properly tensioned and the machine able to be started. Omr On Scientific technOlOgieS, inc. For the Latest Information g31 USA Tel. 1/888/510-4357 canada Tel. 1/866/986-6766 On the Internet: www.sti.com or www.omron.caer5018 Safety interlock Switches Operation installation hardware Available Tension/Gripper Spring Turnbuckle Eyebolt Blue reset Knob Double Loop Clip Thimble A blue reset button is provided Rope Pulley to easily return the unit back to its machine-run position after rK rope t ension Kit installation hardware actuation. The RK Rope Tension Kit comes Individual hardware items may be purchased for with all of the required hardware specific installation requirements. for most installations. A spring is required as shown in the installation example below. contact Arrangements g emergency Push Button 0 mm 3.5 14.5 17.0 The emergency push button may 0 in 0.14 0.57 0.67 be installed or repositioned in 2NC + 1NO Versions Rope Slack Tension Range Rope Pulled the field. The ER5018 has two ER5018 11/12 possible mounting positions for the 21/22 emergency stop button. 33/34 3NC Versions Rope Slack Tension Range Rope Pulled 11/12 21/22 31/32 Contact Open Contact Closed mounting Specification 500mm Every 3m Every 3m 500mm ER5018 19.7 in 9.84 ft 9.84 ft 19.7 in Safety Spring Wall Eyebolt Support Tensioner Gripper 40 m 131 ft Note: Some installations may require a ER5018 on each end. For a guide to installing, see Proper Installation of Rope or Wire Pull Switches in The Safety Library Section of this catalog. 500mm Every 3m Every 3m 500mm ER5018 19.7 in 9.84 ft 9.84 ft 19.7 in Eyebolt Support Safety Spring 20 m 65.6 ft Omr On Scientific technOlOgieS, inc. For the Latest Information g32 USA Tel. 1/888/510-4357 canada Tel. 1/866/986-6766 On the Internet: www.sti.com or www.omron.ca