Section 19: Push Buttons and Operator Interface

Section 19: Push Buttons and Operator Interface

Selection Guide
22 and 30 mm Most Common Complete Operators
- XB4–XB5 Common Operators, Complete with Contact Blocks
- Type K, SK Common Operators, Complete with Contact Blocks
22 mm Push Buttons
30 mm Push Buttons
16 mm Push Buttons
- XB6 Complete Devices
Rotary Cam Switches
- K2 Custom and K30–K150 Power Switching
- Application and Ordering Information
Control Stations and Enclosures
Pendant Stations
Tower Lights and Beacons
Foot Switches
- 9002A Heavy Duty Industrial

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XB4 Selector Switches

Refer to Catalog DIA5ED2121212EN

XB4 Selector Switches

ZB4BD4

Standard Lever

ZB4BJ3

Extended Lever

Non-Illuminated Selector Switches ^[1]

Color	Number and Type of Positions		Standard Lever ^[2]	Extended Lever
Color	Number and Type of Positions		Catalog Number
Black	2-maintained		ZB4BD2	ZB4BJ2
Black	2-momentary from right to left		ZB4BD4	ZB4BJ4
Black	3-maintained		ZB4BD3	ZB4BJ3
Black	3-momentary to center		ZB4BD5	ZB4BJ5
Black	3-momentary from left to center		ZB4BD7	ZB4BJ7
Black	3-momentary from right to center		ZB4BD8	ZB4BJ8

ZB4BG8

Non-Illuminated Key Switches ^[1]

Type of Operator			Number and Type of Positions		Catalog Number
			2-maintained		ZB4BG2
					ZB4BG02
					ZB4BG4
			2-momentary from right to left		ZB4BG6
			3-maintained		ZB4BG0
Key (No. 455) Other key numbers: —key no. 421E: add the suffix 12 to the catalog number. —key no. 458A: add the suffix 10 to the catalog number. —key no. 520E: add the suffix 14 to the catalog number. —key no. 3131A: add the suffix 20 to the catalog number. —key no. 8D1: add the suffix D to the catalog number. Example: The catalog number for a head with key no. 421E for a 2 position maintained, lockable selector switch, with key withdrawal from the left-hand position, becomes: ZB5AG212					ZB4BG3
					ZB4BG03
					ZB4BG04
					ZB4BG5
					ZB4BG9
					ZB4BG09
			3-momentary from left to center		ZB4BG1
			3-momentary from left to center		ZB4BG01
			3-momentary to center		ZB4BG7
			3-momentary from right to center		ZB4BG8
					ZB4BG05
					ZB4BG08

Sequence of Contacts on Selector Switch Bodies

Unit Type		Selector Switches
Unit Type		2-position						3-position
Note: L=Left, C=Center, R=Right, O=Open, X=Closed
Operator Plunger Position	Up
Operator Plunger Position	Down
Contact Block Location		L	C	R	L	C	R	L	C	R	L	C	R	L	C	R
Contacts	N.O.	O	O	O	X	X	X	X	X	O	O	O	O	O	X	X
Contacts	N.C.	X	X	X	O	O	O	O	O	X	X	X	X	X	O	O

For Legend Holders, refer to XB4 Legend Holders.

For Selector Switch Sequence, refer to Sequence of Contacts on Illuminated Selector Switch Bodies.

Footnotes

For contact configurations, see Sequence of Contacts on Selector Switch Bodies.
For colored lever, add the following code to the end of part number: 01–white, 03–green, 04–red, 05–yellow, 06–blue (Example: ZB4BD204).

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