SE Digest 178

22 mm Push Buttons

XB4 Illuminated Operators Refer to Catalog DIA5ED2121212EN

www.se.com/us

Table 19.95: Two Button with Clear Pilot Light, Momentary Shape of Head Description Marking Cap Color

Degreeof Protection

Catalog Number

NoMarking

— Green Red

ZB4BW7A3740

Two flush

ZB4BW7A1720

— White Black

IP66 IP69K

ZB4BW7A3741

ZB4BW7A1721

One flush One extended

ZB4BW7L3740

— Green Red

Premarked

“I” (white) “O” (white) “I” (black) “O” (white)

Green Red White Black

ZB4BW7A3741

Two flush

ZB4BW7A1721

“I” (white) “O” (white)

One flush One extended

Green Red

ZB4BW7L3741

IP66 IP69K

“ ” (black) “ ” (white)

White Black

Two flush

ZB4BW7A1724

“+” (black) “-” (white)

White Black

Two flush

ZB4BW7A1715

Without caps

Two flush without caps

IP66 IP69K

—

—

ZB4BW7A9

Table 19.96: Illuminated Selector Switches, Standard Lever Shape of Head Number and Type of Positions

Catalog Number [16]

Only use with Protected LED light modules

2-maintained

ZB4BK12●3

ZB4BK1343

2-momentary from right to left

ZB4BK14●3

19 PUSH BUTTONS AND OPERATOR

ZB4BK13●3

3-maintained

3-momentary to center

ZB4BK15●3

3-momentary from right to center

ZB4BK18●3

3-momentary from left to center

ZB4BK17●3

INTERFACE

Table 19.97: Sequence of Contacts on Illuminated Selector Switch Bodies Unit Type Selector Switches 2-position 3-position 315° 45° 315° 0° 45°

Up Down

Operator Plunger Position

Contact Block Location

L

R L

R L

R L

R L

R

N.O. N.C.

OOXXXOOOOX XXOOOXXXXO

Contacts

Note: L=Left, R=Right, O=Open, X=Closed

2 Position Selector Switch

3 Position Selector Switch

Contact block guide 1 N.O. (left or right)

Contact block guide

O X

O O X 1 N.O. (left)

X O X 2 N.O. wired in parallel (side by side)

X O 1 N.C. (left or right)

O X

1N.O.

X O O 1 N.O. (right) O X X 1 N.C. (right)

and

X O

1N.C.

X X O 1 N.C. (left) O X O 2 N.C. wired in series (side by side)

For Legends, refer to XB4 Legend Holders, page 19-38, XB4 Legend Inserts, page 19-39, and XB4 Legend Sheets, page 19-39. For Caps, refer to XB4 Accessories, page 19-40.

[16] ● Designate color as follows: 1—white, 3—green, 4—red, 5—yellow, 6—blue.

19-34

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11/20/2019