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CLARK SOLUTIONS
MM Pressure Switch
Set Point Range, 2-120 PSI |
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DESCRIPTION
Model MM is a simple, reliable low cost pressure switch that uses a spring loaded diaphragm as the sensing element. A Buna-N diaphragm is standard, however, a selection of other diaphragm materials are optionally available.
In operation, the diaphragm actuates a snap action electrical switch that insures a positive, instantaneous electrical contact under all operating conditions.
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SPECIFICATIONS
Set Point Range: 2-120 PSI (0.14-8.3 bar)
Set Point Tolerance: ±1 PSI or 5% (0.07 bar)
Max Operating pressure: 600 PSI (41bar)
Proof Pressure: 1800 PSI (124 bar)
Switch Deadband (differential) - 8-16%
Current Rating: 5A (to 24Vdc, 240Vac),resistive
Media Connection: 1/8 NPT or 1/4 NPT
Circuit Form: SPST-NO, SPST-NC, SPDT
Electrical Connections: 8-32 screw terminals
Machined Switch Body: Brass
Diaphragm: Buna-N (consult us for other materials)
ORDERING INFORMATION
ORDER NUMBER ABCDEF
EXAMPLE MM-1C90RWL
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| PLEASE CALL 1-800-253-2497 TO ORDER THESE ITEMS |
| A=Model |
B=Connection |
C=Circuit |
D=Set Point |
E=Set Direction |
F=Electrical Connection |
| MM |
1=1/4" NPT |
A= SPST-NO |
Specify between 2-120 PSI
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R=Rising |
WL=Wire Leads, 18" |
| 2=1/8" NPT |
B=SPST-NC |
F=Falling |
QC=1/4" Spade |
| Consult us for other connections |
C=SPDT |
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WP=Weather Pack |
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MP=Metri-Pack |
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| ELECTRICAL CONNECTIONS |
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18 AWG wire, 18 long
Black-common; Red, normally open; Blue, normally closed
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Quick Connects
1/4 Spades
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Female Tower Type
18 AWG wire
6 complete length
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Female 280 Series
18 AWG Wire
6 complete length
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For assistance call 978-568-3400
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