• Use with steam, air, noncombustible gases, or fluids non-corrosive to pressure sensing element.
• Models have snap-acting switching to open or close a circuit on pressure rise.
• Have adjustable differentials.
• Adjustments are made by screws on top of case.
• Mount using 1/4 inch -18 NPT internal pipe threads or surface mount through base of case.
• Ground screw terminal.Honeywell Pressuretrol SPDT 20-300 PSI make on rise no "B" terminal| Sensor Element | Brass bellows |
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| Includes | Miswiring Compliant (less B terminal) |
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| Overview | Provide operating control with automatic limit protection for pressure systems up to 300 psi (2068 kPa). |
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| Pipe Connections, Main or High Pressure | 1/4 in. NPT internal thread |
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| Maximum Sustained Operating Pressure (psi) | 350 psi |
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| Maximum Sustained Operating Pressure (kPa) | 2410 kPa |
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| Application | Provide control of steam, air, non-combustible gases or non-corrosive fluids |
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| Pressure Differential (psi) | 20 to 50 psi |
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| Pressure Differential (kPa) | 140 to 345 kPa |
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| Operating Range (psi) | 20 to 300 psi |
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| Operating Range (kPa) | 140 to 2070 kPa |
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| Mounting | 1/4 in. NPT internal thread or surface mount through back of case |
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| Switch Operation | Auto recycle |
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| Switching Action | Snap switch makes R-W on pressure rise |
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| Dimensions (in.) | 5 13/16 in. high X4 1/2 in. wide x 3 1/4 in. deep |
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| Dimensions (mm) | 146 mm high x 114 mm wide x 70 mm deep |
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| Switch Contact Ratings (120 Vac) | 8.0 AFL, 48.0 ALR, 10.0 A resistive |
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| Switch Contact Ratings (240 Vac) | 5.1 AFL, 30.6 ALR, 5.0 A resistive |
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| Differential Type | Subtractive |
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| Temperature Range (F) | -35 F to +150 F |
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| Temperature Range (C) | -37 C to +66 C |
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| Electrical Connections | Screw terminals |
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| Approvals, Underwriters Laboratories Inc | Listed: File No. MP466, Guide No. MBPR |
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| Approvals, Canadian Standards Association | Certified: File No. LR95329 |
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| Approvals, Swiss RE (formerly IRI) | Acceptable |
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Product Family
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