40

22 mm push buttons

Key switches with key no. 455, 421E, 458A,

520E, 3131A

References

Screw clamp terminal connections (Schneider Electric anti-retightening system)

Shape

of head

Type of

operator

Type of contact

Positions

Reference

Weight

kg

Number

Type

N/O

N/C

Complete units

Key switch

with key no. 455

1

–

2-positio

90°

Stay put

XB4BG21

(ZB4BZ101 + ZB4BG2)

0.153

XB4BG41

(ZB4BZ101 + ZB4BG4)

0.153

Spring return

to left

XB4BG61

(ZB4BZ101 + ZB4BG6)

0.153

2

–

3-position

± 45°

Stay put

XB4BG03

(ZB4BZ103 + ZB4BG0)

0.153

XB4BG33

(ZB4BZ103 + ZB4BG3)

0.153

Heads only

Key switch with key no. 455 (3) (4) 2-position

90°

Stay put

ZB4BG2

0.098

ZB4BG02

0.098

ZB4BG4

0.098

Spring return

from right to left

ZB4BG6

0.098

3-position

± 45°

Stay put

ZB4BG0

0.098

ZB4BG03

0.098

ZB4BG04

0.098

ZB4BG3

0.098

ZB4BG5

0.098

ZB4BG9

0.098

ZB4BG09

0.098

Spring return

from left to center

ZB4BG1

0.098

ZB4BG01

0.098

Spring return

to center

ZB4BG7

0.098

Spring return

from right to

center

ZB4BG8

0.098

ZB4BG05

0.098

ZB4BG08

0.098

Heads with black metal bezel

To order, add a figure

7 to the references selected from above. Example: ZB4BG2 becomes ZB4BG27.

(1) Recommended maximum number of contacts and sequence of contacts constituting the body (mounting collar + contact) associated with the head,

see page 24.

(2) The symbol

indicates key withdrawal position(s).

(3) Other key numbers:

- key no. 421E: add suffix

12 to the reference.

- key no. 458A: add suffix

10 to the reference.

- key no. 520E: add suffix

14 to the reference.

- key no. 3131A: add suffix

20 to the reference.

Example: For a switch head with key no. 421E, 2-position stay put, with key withdrawal from the left-hand position, the reference becomes:

ZB4BG212.

(4) For specific keys with other numbers, please consult your Regional Sales Office.

Note: For contact block and mounting collar ordering information, see pages 48, 50, 51 and 52.

XB4BG33

ZB4BG0

Introduction:

page 14

Specifications:

page 20

Dimensions:

page 72

Assembly of other products using body/contact assemblies, see page 48; accessories, see page 62