|
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:
- Select the required factory set Pressure Range
- Select the required factory installed Options
- 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 |
|
|
|
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