Data Sheet for Product

SW 251 Pressure Electric Switches Technical Instructions
Document Number 155-057P25
Rev. 1, May, 2000
Siemens Building Technologies, Inc.
Page 5
Wiring Diagrams
B
Y
R
N.C.
N.O.
COM.
SW0087R1
Y
R
N.O.
COM.
SW0088R1
N.C.
N.O.
COM.
N.C.
N.O.
COM.
B
Y
R
SW0089R1
B
321
ST
R
N.C.
COM.
SW0090R1
Figure 6. Wiring Diagrams.
Dimensions
Dimensions in Inches
(Millimeters)
3 3/8 (86)
1 3/4 (45)
NOTE: ON FIXED DIFFERENTIAL
SWITCHES THE DIFFERENTIAL
ADJUSTMENT BLOCK (A) IS
OMITTED.
A
SW0091R1
Figure 7. All PE Switches - Side View.
Discontinued