Condor MDR3 Pressure Switch, 140/175 PSI, 1-Port, 3/8" FPT with Unloader Valve #1166F8
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Description
The Condor 31KEXEXX OEM pressure switch replacement is an MDR3 style, 1-port, 3/8" female NPT pressure switch with 90° compression style unloader valve and is preset to 140/175 PSI. Does not have on/off dial switch.
Replace the pressure switch if the compressor no longer cuts in or out at the designated pressure (PSI), if the unit doesn't turn on or off, or if there is an obvious air leak from the contacts or manifold.
If the small unloader (bleeder) valve on or under your switch leaks constantly AFTER the unit shuts off, don't replace this part, replace the in-tank check valve. Most pressure switches have a bleeder valve which has a 1/4" plastic or copper line routing to it.
Specifications
- OEM Part Number: 31KEXEXX
- Pressure Settings: 140/175 PSI
- Manifold Type: 3/8" female NPT, 1-port
- Auto/Off Dial Switch: No
- Unloader Type: 1/4" 90-degree compression (EVWI)
- Contact Block/Overload: 3-Pole
- Weight: 1.65 lbs
Technical Publications
| Rated insulation voltage (Ui) | = 690 V |
| Motor switching capacity (UL 508, CSA 22.2) [Ue=120 V (1~) | = 2 HP |
| Motor switching capacity (AC3) [Ue=240 V (1~)] | = 5,5 kW |
| Motor switching capacity (UL 508, CSA 22.2) [Ue=240 V (1~)] | = 3 HP |
| Motor switching capacity (AC 3) [Ue=240 V (3~)] | = 5,5 kW |
| Motor switching capacity (UL 508, CSA 22.2) [Ue=240 V (3~)] | = 7,5 HP |
| Motor switching capacity (AC 3) [Ue=400 V (3~)] | = 7,5/11* kW |
| Motor switching capacity (UL 508, CSA 22.2) [Ue=480 V (3~)] | = 15 HP |
| Motor switching capacity (AC 3) [Ue=500 V (3~)] | = 7,5/11* kW |
| Motor switching capacity (UL 508, CSA 22.2) [Ue=600 V (3~)] | = 20 HP |
| Motor switching capacity (AC 3) [Ue=690 V (3~)] | = 7,5/15* kW |
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