ev..0 C US Conforms to EN418, EN292, ISO/IEC1850, and EN0947-5-1 UL and C-UL listed, B approved safety interlock switches Combination ope 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 diecast housing and stainless steel eye nut make the suitable for demanding industrial applications NEMA enclosure enables the switch to withstand water washdown cleaning Integral E-stop the lidmounted 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 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. 20
safety interlock switches Operation ope-status Indicator on Lid Contact Arrangements Eye-Nut Extended (mm) 2N/C + 1N/O Version /4 0.5 0.41 0.49 The rope status indicator makes the system easy to set up and maintain for spans up to 410 ft. Installation Hardware Available ope Slack 4N/C Version 1/2 41/42 ope Slack N/C + 1N/O Version 1/2 4/44 ope Slack ope Tension ange ope Tension ange ope Tension ange ope Pulled 0.5 0.41 0.49 ope Pulled 0.5 0.41 0.49 ope Pulled ope Tension Kits The TK ope Tension 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. 2N/C + 2N/O Version /4 4/44 ope Slack ope Tension ange 0.5 0.41 0.49 ope Pulled TK Tensioner TK rippers 21
Operation (continued) Mounting Specifications Standard Model ope grips PVC-covered steel rope Tensioner Eye bolts Thimble Spring SLACK TENSION safety interlock switches Indicator Extended Model Lifeline 4 TENSION SLACK Tension Indicator 12.0 00 Cable grips Steel cable Tensioner Tensioner P. bolts E-Stop button 12.0 00-9 ft 2-m.5-9 ft 2-m 24 ft 75m 24-410 ft 75-125m Note: Some installations may require a on both ends. eset knob For a guide to installing, see Proper Installation of ope 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. 22
safety interlock switches Specifications Electrical Contact Configurations: Safety Contacts: Switching Ability AC: DC: Safety Contact ap: Auxiliary Contacts: Max Switching Current/Volt/Amp: 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 Minimum Current: 5 V 5 ma DC Electrical Life: Mechanical Mounting: Mounting Hardware: Actuator Travel for Positive Opening: Max ope Span: Break Contact Min Force: Max Actuation Speed: Max Actuation Frequency: Case Material: Eye Nut Material: Wiring Entry: Weight: Color: Mechanical Life: Environmental 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, ed E-stop button 1 x 10 minimum Protection: IP (NEMA ) Operating Temperature: Cleaning: -25 to 80 C (-1 to 17 F) Water washdown 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. 上海贝特威自动化科技有限公司 Europe E-mail:info@shbetterway.com Tel. +49 (0) 5258-98-77 Tel:021-41928 2
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 safety interlock switches Extended Model 4 MOUNTIN HOLES CLEAANCE FO M5 SCEWS 101.98 9 48 2.72 1.89 2 2.44 7.0 0.28 EMEENCY STOP BUTTON ESET 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 CLEAANCE FO M5 SCEWS 101.98 7.0 0.28 A o to the Engineering uide For in-depth information on safety standards and use. 24
safety interlock switches Ordering Model Contacts Wiring Entry Part No. -021SN 2 N/C + 1 N/O x 0.5 in. NPT conduit 4450-0050 -021SM 2 N/C + 1 N/O x M20 4450-0100 -022SN 2 N/C + 2 N/O x 1/2 in. NPT 4450-2020 -01SN N/C + 1 N/O x 1/2 in. NPT 4450-200 -040SN 4 N/C x 1/2 in. NPT 4450-2040 -022SNE 2 N/C + 2 N/O x 1/2 in. NPT 4450-020 -01SNE N/C + 1 N/O x 1/2 in. NPT 4450-00 -040SNE 4 N/C x 1/2 in. NPT 4450-040 TK-5, ope Tension Kit with 5 m of ed Steel ope 4450-1705 TK-10, ope Tension Kit with 10 m of ed Steel ope 4450-1710 TK-15, ope Tension Kit with 15 m of ed Steel ope 4450-1715 TK-20, ope Tension Kit with 20 m of ed Steel ope 4450-1720 TK-0, ope Tension Kit with 0 m of ed Steel ope 4450-170 TK-50, ope Tension Kit with 50 m of ed Steel ope 4450-1750 TK-75, ope Tension Kit with 75 m of ed Steel ope 4450-1775 TK Hardware Only (2 rippers and Tensioner) 4450-1700 TK Tensioner Only (with Allen Wrench) 4450-1701 TK ripper (2 Pack) 4450-1702 TK Extended Hardware Only (2 Tensioners, 2 rippers) 4450-170 Tensioner Kit (1 Turnbuckle, 8 ope rips, 4 Thimbles) 4450-0700 PVC-Covered Steel ope (ed) 1/8 in. Diameter 4450-0710 PVC-Covered Steel ope (Yellow) 1/8 in. Diameter 4450-0740 Eyebolt 4450-0720 eplacement Eye Nut 4450-010 Spring 4450-070 Spare Lid with E-Stop Button 4450-0150 Conduit Lights (see pages 201 & 202) Accessories (see page 200)