Technical Data Bulletin

19-98
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All Rights Reserved
30 mm Push Buttons
Type K and SK Accessories
schneider-electric.us
Class 9001 / Refer to Catalog 9001CT1103
Potective Boots for Type K and SK Operators
KU1
KU17
KU37
KU27
Table 19.293: Protective Boots
For Non-Illuminated
Push Buttons [152]
Clear Color for
Type [153]
Color
Type [153]
Black KU1 Standard knob selector switch KU17
Red KU2
Gloved-hand cap for use on standard knob selector switch
KU18Blue KU3
Brown KU4
Green KU5
Standard pilot light and maintained contact push buttons
KU27Yellow KU6
Clear KU7
Clear KU8
Push-to-test and illuminated push button without guard
KU37
(Provides Full Guard) Illuminated push button with guard
KU47
NOTE: These Type KU protective boots are recommended for very dirty environments or severe hose down, but
they are not required for UL Type 4 rating on the Type K operators or UL Type 4 or 4X rating on the Type SK
operators. The K1 wrench (see Wrenches for Type K and SK Operators, page 19-101) is required for installation of
these boots.
Closing Plates for Type K and SK Operators
Table 19.294: Closing Plates
Description Type
Round (1-1/2 in. Dia.)
Gray K51 [154]
Black
K52 [154]
For Dimensions, see catalog 9001CT0001
19
PUSH BUTTONS AND OPERATOR
INTERFACE
[152] Use KU27 for maintained contact push buttons.
[153] When ordering, add prefix 9001 to the catalog number.
[154] Meets UL and NEMA 1, 2, 3, 4, 4X, 6, 12 and 13.