|
|
|||||
|
|
|||||
Square D > On-line Catalog >
Products
>
Push Buttons and Operator Interface > 30 mm Push Buttons: Type K, SK and KX Electrical Components |
|
|
|
Section - Page
|
30 mm Push Buttons
Type K, SK and KX Electrical Components
Class 9001 / Refer to Catalog 9001CT0001
Hazardous locations do not always require the use of explosion-proof equipment like the Class 9001 Type BR control stations. Selecting the most appropriate device for the location can save you money. For more information on the types of hazardous locations, contact your local electrical inspector.
Table 19.226:
a Any Class 9001 Type K, SK or KX operator can be used in an area classified as Class I, Division 2 hazardous locations, if:
1. Only logic (KA40 series) or power (KA50 series) reed contact blocks are used.
2. All Type K and SK illuminated operators are UL approved for use in Class I Division 2 areas. c
3. Type KX illuminated operators do not use 4 lamp light modules, or 2 lamp light modules other than the transformer type. c
4. The operators are mounted in any NEMA 4 & 13 enclosures.
b Any Class 9001 Type K, SK, or KX operator mounted in a Class 9001 Type KY, KYSS, KYAF, SKY enclosure may be used, except potentiometer operators.
Table 19.227:
▪
![]()
Table 19.228:
The maximum number of logic and/or power reed contact blocks per operator is as indicated on individual selection tables for standard contact blocks, except:
● On 3 position selector switches with cams C, D, E, F, G, L, or M, mount reed blocks on one side only (either side), maximum 2 in tandem.
● On 4 position selector switches, mount reed blocks on one side only (either side), maximum 2 in tandem.
● On joysticks or on Type KR8 or SKR8 push-pull operators, mount reed blocks on one side only (either side), maximum 2 in tandem.
Table 19.229: Hermetically Sealed Power Reed Contact Blocks f
Continuous
Carrying Amperes
![]()
The power reed contact blocks can be used with standard industrial relays and starters through NEMA Size 4. Minimum voltage is 5 V and the minimum current is 1 mA.
d Inductive Rating—35% Power Factor.
|
|
Release Date: 03/31/2007 |