ACI Logo aci@acicontrols.com

MY ACCOUNT
MY SHOPPING CART
LOG IN

  Enter Stock Code, Model No., or Keywords
PRESSURE SWITCHES > MDR21 Series Pressure Switches
Previous Page | Next Page | View Printer-Friendly Page

ACI's MDR21 Series Switches provides for automatic operation of pumps and compressors. The switch is activated by the required tank pressure. This 2 pole switch is suitable to operate a 1 phase motor at the allowable ratings. The switch will control larger 1 phase and all 3 phase motors by using an ACI motor starter.

Ratings:
General Purpose: 20 Amps Motor HP: 1 Phase @ 120V = 1.5 HP, 230V = 3 HP

Ordering Information:
  1. Select the required factory set Pressure Range
  2. Select the required factory installed Options
  3. Order by the Catalog Number


Air Compressor Switches
70 - 100 PSI
CATALOG
NUMBER
WT
Lbs
 
Basic Switch
104047
0.8
Switch with Unloader Valve
112676
0.8
Switch with "Off / Auto" Cover
112679
0.8
Switches with Unloader Valve and
"Off / Auto" Cover
112681
0.8
95 - 125 PSI
CATALOG
NUMBER
WT
Lbs
 
Basic Switch
104027
0.8
Switch with Unloader Valve
104028
0.8
Switch with "Off / Auto" Cover
104034
0.8
Switches with Unloader Valve and
"Off / Auto" Cover
112682
0.8
145 - 175 PSI
CATALOG
NUMBER
WT
Lbs
 
Basic Switch
104038
0.8
Switch with Unloader Valve
112678
0.8
Switch with "Off / Auto" Cover
112680
0.8
Switches with Unloader Valve and
"Off / Auto" Cover
112683
0.8

Pump Switches
20 - 40 PSI
CATALOG
NUMBER
WT
Lbs
 
Basic Switch
104043
0.8
Switch with "Off / Auto" Cover
112684
0.8
30 - 50 PSI
CATALOG
NUMBER
WT
Lbs
 
Basic Switch
104045
0.8
Switch with "Off / Auto" Cover
112685
0.8
40 - 60 PSI
CATALOG
NUMBER
WT
Lbs
 
Basic Switch
104046
0.8
Switch with "Off / Auto" Cover
112686
0.8

Unloader Valve:
Unloader Valve discharges compressed air trapped in exhaust tube when the air compressor stops. This allows for unloaded air compressor restarts. Field installed.

STYLE
CATALOG
NUMBER
WT
Lbs
 
STRAIGHT SCREW STYLE FOR
1/4" COPPER TUBE
104005
0.8
RIGHT ANGLE SCREW STYLE FOR
1/4" COPPER TUBE
104007
0.8
RIGHT ANGLE PUSH ON STYLE FOR
1/4" PLASTIC TUBE
104008
0.8
 

Off / Auto Cover:
Cover allows "Off/ Auto" operation of the pump or compressor. Field installed.

CATALOG
NUMBER
WT
Lbs
 
104001
0.5
 

Previous Page | Next Page

 

ACI Advance Controls Inc.
© 2017 Advance Controls, Inc. | 800.559.9ACI | 941.746.3221 | 4505 18th Street East, Bradenton FL 34203