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P500 Series
Economy Pressure Switch
Light to Moderate Service
2-500 PSI range
This series is an inexpensive and reliable low to medium miniature pressure switch with good sensitivity, repeatability and set-point tolerance.
Features:
Specifications:
PRESSURE SWITCH ADJUSTMENT
This model may be adjusted by loosening the lock ring and turning the electric switch housing clockwise to lower pressure set point, counter clockwise to raise the pressure set point. Holding the electric switch housing in position, tighten the lock ring and check the pressure setting. Repeat above if necessary.
Switches are only supplied field adjustable.
-65° F to +225° F, a slight change up to 2% in the set point may occur below -10° F and above +125° F.
CYCLE RATE-SENSOR AND ELECTRICAL SWITCH
Not to exceed 22 CPM (cycles per minute).
Approximately 2.5 ounces (with a standard 'W3' interface).
1/8-NPT male standard.
P500 SERIES PERFORMANCE TABLE
| Maximum System Pressure (In PSIG) | Set Point Range
(In PSIG) |
Set Point Tolerance
(In PSIG) |
Reset Band
(In PSIG) |
Model # with 1 Amp & 'W3' Interface | Model # with 5 Amp & 'W3' Interface | Model # with 7 Amp & 'W3' Interface |
|---|---|---|---|---|---|---|
| 30 | 2-30 | +/-1.0 | 1.0-2.0 | P500-31W3 | P500-35W3 | P500-37W3 |
| 125 | 5-125 | +/-3.0 | 2.0-3.0 | P500-51W3 | P500-55W3 | P500-57W3 |
| 250 | 10-250 | +/-7.0 | 3.0-8.0 | P500-81W3 | P500-85W3 | P500-87W3 |
| 500 | 22-500 | +/-12.0 | 8.0-18.0 | P500-151W3 | P500-155W3 | P500-157W3 |
The fitting types below are "standard catalog" offerings. Some of the fittings below are available only for an additional cost. If you do not see your preferred fitting listed, please contact our Sales Department as we do offer custom fittings.
| 1/8" NPT |
| 1/4" NPT |
AVAILABLE ELECTRICAL INTERFACES
The electrical terminations below are "standard catalog" offerings. For our "W" and "L" styled interfaces we have an exhaustive listing of Pin/Connector terminators from such makers as AMP, Molex, Turk, Bendix, Cannon, Burndy and others available to make our product ready for your specific application.
| Type | Description |
| W | Wire Leads inside PVC Jacketing |
| Q | Quick Connect Spade Terminals |
| F | Flat-bar Screw Terminals (Brass Solderless) |
| S | Solderable Pins (Brass) |
| L | Non-Jacketted Wire Leads with Low Profile |
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