◆Introduction
　　LW31 series rotary switches applied to switchgear and control of electric mkotors as well as to change over of electric circuitss,it’s a good substitution for other cam switches.
◆Technical parameters

Description		LW31-20			LW31-25					LW31-32					LW31-50					LW31-75
Rated thermal currentITH	A	20			25					32					50					75
Rated working voltageUe	V	110	220	440	110	220	440	500	690	110	220	440	500	690	110	220	440	500	690	110	220	440	500	690
Rated working currentLe
AC-21A	A			20					25					32					50					70
AC-22A	A			16					20					32					40					63
DC-20	A	20				25					32					50					75
power	P
AC-23A	KW		5	7.5		7.5	11		15		11	18.5		22		15	22		30		18.5	30		37
AC-3	KW		4	5.5		5.5	7.5		11		7.5	15		18.5		11	18.5		22		15	22		30
AC-4	KW		2.2	3		2.2	4	4			3	5.5	5.5			5.5	7.5	9			7.5	11	15
DC-23	KW	0.77	1.2		2	2.2				2	2.2				3	6				4	8

Mechaical life
Mechanical life without load:0.3×10⁶ times,operation frequency is 120 times/h.
Mechanical life with load:0.6×10⁴ times operation frequency is 120 times/h.
◆Dimensions and installation

Description

Dimensions(mm)

Installation(mm)

A

C

H

L

E

D1

D2

S

F

G

D3

T

LW31-20

□54

Φ44

38

25+12n

32

Φ9.5

Φ3.2

1.5

35

Φ45

Φ4.5

6

LW31-20

□72

Φ44

38

25+12n

32

Φ9.5

Φ3.2

1.5

58

Φ45

Φ4.5

6

LW31-25

□72

Φ59

36

25+13n

33

Φ9.5

Φ3.2

1.5

58

Φ64

Φ4.5

6

LW31-25

□105

Φ59

53

23+13n

33

Φ9.5

Φ3.2

1.5

85

Φ64

Φ4.5

6

LW31-32

□72

Φ59

36

23+18n

33

Φ9.5

Φ3.2

1.5

58

Φ64

Φ4.5

6

LW31-32

□105

Φ59

53

23+18n

33

Φ9.5

Φ3.2

1.5

85

Φ64

Φ4.5

6

LW31-50

□105

Φ80

53

34+18n

46

Φ13

Φ5.3

3

85

Φ90

Φ5.5

8

LW31-75

□105

Φ80

53

34+27n

46

Φ13

Φ5.3

3

85

Φ90

Φ5.5

8