GK Series Dual Entry Key Operated Safety Interlock Switch FEATURES Side or top key entry Unique friction feature for key retention LED Indicators for status available Choice of four heavy duty keys Standard mounting per EN 50041 International conduit offering Positive opening operation of Normally Closed contacts conforming to IEC/EN 60947-5-1-3 Available with 1 NC/1 NO, 2 NC, 3 NC/1 NO and low energy contacts positive opening contact options UL listed, CSA and CE compliant BENEFITS Allows up to eight different key entry positions Door vibration does not trip the safety circuit Remote signalling can be achieved The GK Series is designed specifically for use on machines where key removal brings easily at the switch the machine to an immediate safe condition. It provides enhanced operator safety Key mounting flexibility and security when added to hinged or sliding guard doors, screens and protective covers on en- Simple mounting closures. The GK Series is especially well suited for large door applications, typically Machinery can use local termination in the automotive plant floor environment. Its heavy duty construction withstands standards harsh industrial environments where rugged, long-term durability is required. Welded contacts will separate - vital for A safety lockout device is also available for use with the GK Series. The lockout safety applications device (GKZL2) is specifically designed to prevent a key from being inserted either Choice of wiring capabilities (switching manually, or by the access door being closed while maintenance personnel are work- inductive and safety relay loads) ing on the machine. When inserted, the lockout device can accommodate up to four padlocks to prevent unauthorised removal of the device. WARNING MISUSE OF DOCUMENTATION The information presented in this product sheet (or catalogue) is for reference only. DO NOT USE this document as system installation information. Complete installation, operation and maintenance information is provided in the instructions supplied with each product. Failure to comply with these instructions could result in death or serious injury. GK Series Industrial Safety Products 189 GKGK GKB- Metal Standard Switch Type GKC - (w/1 LED) 12...250 Vac/dc GKD - (w/2 LED) 18...30 Vdc - EN 50041 Snap-action contacts, 1 Normally Closed/1 Normally Open Technical Data 13 14 Mechanical up to 15 million 1 Zb life operations 21 22 Degree of IP 67 protection NEMA/UL type 1, 4, 12, 13 Slow Acting, 2 Normally Closed Temperature Operating: range -25 C to +85 C / -13 F to +185 F 21 22 6 Storage: 2Y -40 C to +85 C / -40 F to +185 F 12 11 Approvals* IEC 60947-5-1 EN 60947-5-1 ac15 A300/A600 Slow Acting, 3 Normally Closed/1 Normally Open dc13 Q300 Low energy contacts 11 12 UL & CSA 2Y 21 22 36 Operating forces:Insertion force: 35 N / 8 lb 31 32 Extraction force: 28 N / 6 lb Zb Vibration 10 g conforming to IEC 68-2-6 43 44 Shock 50 g conforming to IEC 68-2-27 Terminal marking to EN 50013 * See Standards (page 179) Dimensions in mm / in 42 / 1.65 32 / 31 / 1.26 1.22 45,7 121,6 / 1.80 35 / 4.79 1.38 60 / 2.36 82 / 3.23 75,9 / 7,3 / 2.99 0.29 5,3 / 42,6 / 5,3 / 0.21 30 / 1.68 0.21 1.18 Conduit Thread Standard = = 1/2 NPT B A with 1 LED = = 20 mm C C Switch Ordering: OR GK X X X XX Example: GKBC36LX + GKZ56 190 Industrial Safety Products GK Series