32 www.duravalve.com
DURAVALVE ALS SERIES
LIMIT SWITCH BOX
FEATURES Valve Position Indicator:
Strong clear polycarbonate dome visually
displays the valve position open or closed. Quick-Set Cams:
Switch cam position can be quickly adjusted
without the need for tools. Multipoint Terminal Block:
Terminal strip has 8 pre-wired and numbered
contacts for clear and easy installation. Micro Switches:
Type Mechanical (2) SPDT
Voltage MAX 250V AC or DC
Current 0.6A 125V DC or 16A 1/2HP
125, 250V AC Dual Wire Potting:
ALS 10 Dual 1/2" conduit entries
ALS 30 Dual 3/4" conduit entries Captive Cover Bolts:
No loose bolts when cover is open for
installation or maintenance. Easy Mounting:
To NAMUR standards.
ALS 10 -
Weather Proof
ALS 30 -
Explosion Proof Phone: 847-616-0430
Toll Free: 800-776-1260
FAX: 847-616-0432
www.duravalve.com
LIMIT 1-07
Note: The right is reserved to change or modify
product design or construction without prior
notice and without incurring any obligation to
make such changes or modifications on
products previously or subsequently sold.
DURAVALVE ALS LIMIT SWITCHES
Wiring Diagram
MECHANICAL SWITCH (2 SPDT)
ALS 10
Weather Proof
Dimensional Drawings
ALS 30
Explosion Proof
Top
Switch
Bottom
Switch
1
NC
Red
Solenoid
Valve
Black
Blue
Yellow
White
Brown
C
NO
NC
C
NO
2
3
4
5
6
7
8
C
L
O
S
E
O
P
E
N
E
X
T
Note: All dimensions in inches unless otherwise specified.
A
A
4-M8 Tap
ALS-2 Bracket
1.18 X 1.5
H:.786 -1.18
2- 1/2"
Conduit
Entry
4.80
4.06
4.72
2.24
2.24
1.85
1.97
.670
1.50
1.10
.300
.157
.120
.197
2- M6 Tap
A
4.79
4.75
5.92
2.25
2.25
4-M8 Tap
.39 DP
1.85
2.15
1.01
.75
2.38
2- 3/4"
Conduit
Entry
A
1.10
.16
.315
.16
.19
ALS-3 Bracket 1.18 X 2.36 H:.786