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Honeywell Pressure & Limit Controller L4079W1000/U – Pressuretrol® Model
- Application: High oil pressure limit switch for heavy oil applications.
- Operating Range (psi): 10 to 150 psi; 225 psi – Maximum Sustained
- Operating Range (kPa): 35 to 350 kPa; 1151 kPa – Maximum Sustained
- Switch Operation: Manual Reset
- Switching Action: SPST break on pressure rise- Oil Applications
Original price was: $292.00.$268.00Current price is: $268.00.
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L4079 Pressuretrol® Limit Controllers | Pressure and Limit Controllers
Stainless steel diaphragm for use with steam, air, noncombustible
gases and fluids non-corrosive to stainless steel.
Description
High pressure limit switches.
• Stainless steel diaphragm for use with steam, air, noncombustible
gases and fluids non-corrosive to stainless steel.
• L4079W is for Oil Applications.
• Micro Switch™ snap-acting switches open automatically on pressure
rise; must be manually reset.
• Mount using 1/4 in. NPT female fitting on diaphragm assembly or
surface mount through back of casel.

Specifications
- Mounting1/4 in. NPT internal thread or surface mount through back of case
- Sensor ElementStainless Steel diaphragm
- Approximate, Dimensions5 in. high x 4 1/2 in. wide x 3 1/2 in. deep. (127 mm high x 114 mm wide x 89 mm deep.)
- Temperature Ratings150°F - Maximum Ambient (66°C - Maximum Ambient)
- Electrical ConnectionsScrew terminals
- Contact Ratings120 Vac Switch Contact – 9.8 AFL, 58.8 ALR; 240 Vac Switch Contact – 4.9 AFL, 29.4 ALR
- Pipe ConnectionMain or High Pressure – 1/4 in. NPT internal thread
- Approvals, Underwriters Laboratories Inc.Listed: File No. MP466, Guide No. MBPR
- Approvals, Swiss REAcceptable
Additional information
| Dimensions | 12.7 × 11.4 × 8.9 cm |
|---|

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