C R US Conforms to EN418, EN292, ISO/IEC1850, EN0947-5-1 UL and C-UL listed ER019 Combination Rope and Push-Button Actuated Emergency Stop Switch Long rope spans of up to 75 m (24 ft.) for standard model and up to 125 m (410 ft.) for extended model means fewer number of switches required per application Heavy-duty housing the die-cast housing and stainless steel eye nut make the ER019 suitable for demanding industrial applications NEMA enclosure enables the ER019 switch to withstand water washdown cleaning Integral E-stop the lid-mounted E-stop button provides emergency stopping capability at the extreme end of the installation Status indicator the lidmounted status indicator makes the system easy to set up and to maintain the proper rope tension Variety of contacts three or four sets of contacts to satisfy the most demanding applications Vibration tolerant the snapacting switch contacts protect against nuisance tripping due to vibration Long life the ER019 switch is designed for a minimum of one million actuations Conduit beacons are available to provide visual status indication (order separately from accessories section) A o to the Engineering uide For in-depth information on safety standards and use. 22
Operation Rope-Status Indicator on Lid Contact Arrangements Eye-Nut Extended (mm) 2N/C + 1N/O Version /4 The rope status indicator makes the system easy to set up and maintain for spans up to 410 ft. 4N/C Version 1/2 41/42 Installation Hardware Available Kits The RTK Kits provide a revolutionary tensioning system that substantially reduces set-up time and provides all the necessary components in a single package. Installation Hardware All conventional hardware items are available and may be ordered as separate items. N/C + 1N/O Version 1/2 4/44 2N/C + 2N/O Version /4 4/44 RTK Tensioner RTK rippers 2
Operation (continued) Mounting Specifications Standard Model ER019 Rope grips PVC-covered steel rope Tensioner Eye bolts Thimble Spring SLACK TENSION Indicator Extended Model 12.0 00-9 ft 2-m 24 ft 75m Note: Some installations may require a ER019 on both ends. Lifeline 4 TENSION SLACK Tension Indicator Cable grips Steel cable Tensioner Tensioner P. bolts E-Stop button 12.0 00.5-9 ft 2-m 24-410 ft 75-125m Reset knob For a guide to installing, see Proper Installation of Rope or Wire Pull Switches in the Engineering Section of this catalog. Applications Typical applications are on conveyor systems, across rotating machinery, and around hazardous areas. A o to the Engineering uide For in-depth information on safety standards and use. 24
Specifications Electrical Contact Configurations: Safety Contacts: Switching Ability AC: DC: Safety Contact ap: Auxiliary Contacts: Max Switching Current/Volt/Amp: Minimum Current: Electrical Life: Mechanical Mounting: Mounting Hardware: Actuator Travel for Positive Opening: Max Rope Span: Break Contact Min Force: Max Actuation Speed: Max Actuation Frequency: Case Material: Eye Nut Material: Wiring Entry: Weight: Color: Mechanical Life: Environmental All Models 2 N/C + 1 N/O, 2 N/C + 2 N/O, N/C + 1 N/O, 4 N/C 2 N/C, N/C, 4 N/C positive break 500 V 1 A, 250 V 2 A, 100 V 5 A 250 V 0.5 A, 125 V 1 A, 24 V 2 A 2 x 2 mm or x 2 mm or 4 x 2 mm 1 N/O or 1 N/C or 2 N/O 500 V/500 VA 5 V 5 ma DC 1 x 10 minimum Any position 4 x M5 screws See diagram on previous page 75 m (24 ft.) for standard model 75 to 125 m (24 to 410 ft.) for extended model < 125 N (28 lb.) N/A 1 cycle per sec Die-cast alloy Stainless steel x 0.5 in. NPT conduit 0 g (22.2 oz.) Yellow body, Red E-stop button 1 x 10 minimum Protection: IP (NEMA ) Operating Temperature: Cleaning: Compliance Standards: Approvals/Listings: -25 to 80 C (-1 to 17 F) Water washdown EN418, EN292, ISO/IEC1850, EN0947-5-1 CE marked for all applicable directives, UL and C-UL 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 guard closed, actuator in place, and the machine able to be started. 25
Dimensions mm/in. Standard Model 85.5 51 2.0 25.5 1.0 81 94.5.19 TO.72 MIN. MAX. 115 4.5.5 0.14 7 1.4 10.5 0.41 9 48 2.72 1.89 2 2.44 Extended Model 4 MOUNTIN HOLES CLEARANCE FOR M5 SCREWS 101.98 7.0 0.28 EMERENCY STOP BUTTON RESET BUTTON 85.5 51 2.0 25.5 1.0 81 94.5.19 TO.72 MIN. MAX. 115 4.5 7 1.4 10.5 0.41 48 1.89 2 2.44 4 MOUNTIN HOLES CLEARANCE FOR M5 SCREWS 101.98 7.0 0.28 A o to the Engineering uide For in-depth information on safety standards and use. 2
Ordering Model Contacts Wiring Entry Part No. ER019-021SN 2 N/C + 1 N/O x 0.5 in. NPT conduit 4450-0050 ER019-021SM 2 N/C + 1 N/O x M20 4450-0100 ER019-022SN 2 N/C + 2 N/O x 1/2 in. NPT 4450-2020 ER019-01SN N/C + 1 N/O x 1/2 in. NPT 4450-200 ER019-040SN 4 N/C x 1/2 in. NPT 4450-2040 ER019-022SNE 2 N/C + 2 N/O x 1/2 in. NPT 4450-020 ER019-01SNE N/C + 1 N/O x 1/2 in. NPT 4450-00 ER019-040SNE 4 N/C x 1/2 in. NPT 4450-040 RTK-5, Kit with 5 m of Red Steel Rope 4450-1705 RTK-10, Kit with 10 m of Red Steel Rope 4450-1710 RTK-15, Kit with 15 m of Red Steel Rope 4450-1715 RTK-20, Kit with 20 m of Red Steel Rope 4450-1720 RTK-0, Kit with 0 m of Red Steel Rope 4450-170 RTK-50, Kit with 50 m of Red Steel Rope 4450-1750 RTK-75, Kit with 75 m of Red Steel Rope 4450-1775 RTK Hardware Only (2 rippers and Tensioner) 4450-1700 RTK Tensioner Only (with Allen Wrench) 4450-1701 RTK ripper (2 Pack) 4450-1702 RTK Extended Hardware Only (2 Tensioners, 2 rippers) 4450-170 Tensioner Kit (1 Turnbuckle, 8 Rope rips, 4 Thimbles) 4450-0700 PVC-Covered Steel Rope (Red) 1/8 in. Diameter 4450-0710 PVC-Covered Steel Rope (Yellow) 1/8 in. Diameter 4450-0740 Eyebolt 4450-0720 Replacement Eye Nut 4450-010 Spring 4450-070 Spare Lid with E-Stop Button 4450-0150 Conduit Lights (see pages 29 & 240) Accessories (see page 28) 27