?22mm - hw series oiltight switches & pilot devices 526 www.idec.com switches & pilot lights display lights relays & sockets timers terminal blocks circuit breakers key switches 2-position (assembled) 2-position key switches contact mounting operator position maintained spring return from right l r l r l r operator only hwnk-2a hwnk-21b 1no 1 o x hwnk-2af10 hwnk-21bf10 1no- 1nc 1 2 0 x x 0 hwnk-2af11 hwnk-21bf11 2no 1 2 o o x x hwnk-2af20 hwnk-21bf20 2no- 2nc 1 2 3 4 0 x 0 x x 0 x 0 hwnk-2af22 HWNK-21BF22 1. in place of n enter 1 for plastic bezel or 4 for metal bezel. 2. key is removable in all maintained positions. other key removable options available. 3. two keys are supplied with all switches. 4. all standard operators are keyed alike. 5. other key removable options available. see table below 6. for nameplates, see page 546. 7. for contact assembly part numbers, see page 550. 8. key is retained in spring return position. 9. all assembled part numbers in catalog include standard fngersafe (hw-f...) contacts. 10. assembled units with spring-up terminals (hw-g...) can be ordered by removing an f from the part number (ex. hw1b-m1f11-r becomes hw1b-m111-r). 11. units with exposed screw terminals (hw-c...) must be ordered as sub-components. 12. additional contact confgurations available (up to 6 total contacts). 13. for truth tables see page 558. n bezel type type code plastic 1 metal 4 key removable option codes code description a key not retained in any position (removable in all positions) b key retained in right position only c key retained in left position only
?22mm - hw series oiltight switches & pilot devices 527 usa: 800-262-idec canada: 888-317-idec switches & pilot lights display lights relays & sockets timers terminal blocks circuit breakers part number structure h w 1 k - 2 1 b f 10 operator blank: maintained 1: spring return from right bezel 1: plastic 4: metal key retained position a: key not retained in any position (removable in all positions) b: key retained in right position only c: key retained in left position only 10: 1no 11: 1no-1nc 20: 2no 22: 2no-2nc contact arrangement # of positions 2: 2-position key switches 2-position (replacement parts) contact assembly + mounting adaptor + safety lever lock + anti-rotation ring + operator = completed unit contact blocks style contacts 1no 1nc standard fingersafe (ip20) hw-f10 hw-f01 hw-f10r (early make) hw-f01r (late break) spring-up terminal hw-g10 hw-g01 hw-g10r (early make) hw-g01r (late break) exposed screw terminal hw-c10 hw-c01 hw-c10r (early make) hw-c01r (late break) dummy block tw-db contact block mounting adaptor style part number hw-cb2c 1. used to mount contact blocks to opera- tor (frst pair only). 2. idec strongly recommends using the safety lever lock to prevent heavy vibra- tion or maintenance personnel from inadvertently unlocking contacts. safety lever lock style part number hw9z-ls anti-rotation ring appearance part number hw9z-rl use with notched panel cutout to prevent unit rotation. operators style description plastic bezel metal bezel maintained hw1k-2a hw4k-2a maintained, key removed left only hw1k-2b hw4k-2b spring return from right hw1k-21b hw4k-21b 1. operator includes two keys. 2. all standard operators are keyed alike.
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