Johnson Controls P77AAW-9350 PENN High-Pressure Switch 3–30 bar IP54
The Johnson Controls P77AAW-9350 is a PENN P77 high-pressure switch with a 3–30 bar control range and automatic reset. It is designed for compatible refrigeration, air-conditioning, and heat-pump pressure-control systems.
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- US$ 193.70
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Description
Johnson Controls P77AAW-9350
PENN P77 Pressure Switch | High-Pressure Control | 3–30 bar | Automatic Reset | IP54
Product Detailed Description
The Johnson Controls P77AAW-9350 is a PENN P77 high-pressure switch designed for refrigeration, air-conditioning, heat-pump, and other compatible pressure-control systems. It monitors system pressure and switches electrical contacts when the configured pressure threshold is reached. The adjustable pressure range is 3 to 30 bar, with a differential range of 3.5 to 12 bar. It uses automatic reset and is designed for use with compatible non-corrosive refrigerants. The pressure control includes an SPDT contact arrangement and an IP54 enclosure rating. The pressure connection and electrical ratings must be checked against the installation requirements before use. This model is intended for pressure-control applications, not as a general-purpose electronic pressure transmitter.
Technical Specifications
| Parameter | Specification |
| Brand | Johnson Controls / PENN |
| Model | P77AAW-9350 |
| Product Type | Electromechanical High-Pressure Switch |
| Product Series | P77 |
| Pressure Range | 3–30 bar |
| Differential Range | 3.5–12 bar |
| Maximum Bellows Pressure | 33 bar |
| Reset Type | Automatic reset |
| Contact Configuration | SPDT |
| Contact Rating | 400 V AC, 16(10) A |
| Enclosure Protection | IP54 |
| Pressure Connection | Depends on connection style; verify the specific unit |
| Operating Ambient Temperature | −50 to +55°C for standard versions; approved variants may have a narrower range |
| Dimensions (H × W × D) | 80 × 88 × 54 mm |
| Net Weight | Not confirmed; published individual-pack shipping weight is approximately 0.5 kg |
| Country of Origin | Not confirmed |
| Replacement Model | No direct replacement confirmed |
This item is listed for catalogue and inquiry purposes. Availability, condition, revision, warranty coverage, and lead time are confirmed with each quotation.
New Surplus: All items are genuine brand-new, distributor ready-stock supplying. Please inform us if you have any inquiry or demand.
Important Application Note
Verify the pressure range, differential setting, refrigerant compatibility, contact rating, and pressure connection before installation. Pressure controls are safety-relevant components; selection and adjustment should follow the equipment manufacturer’s specifications and applicable safety requirements.
Applications
| Industrial Automation & Control | Machinery & Equipment |
| • Refrigeration pressure monitoring | • Commercial refrigeration units |
| • High-pressure safety control | • Industrial chillers |
| • Automatic pressure switching | • Heat-pump equipment |
| • Compressor pressure control | • Refrigeration compressor systems |
| • Electrical pressure interlocks | • Condensing units |
| Power & Electrical Systems | Industrial Applications |
| • HVAC control panels | • Commercial air-conditioning systems |
| • Refrigeration electrical circuits | • Industrial refrigeration plants |
| • Compressor motor control | • Cold storage facilities |
| • Pressure alarm circuits | • Heat-pump installations |
| • Equipment protection circuits | • Refrigeration system maintenance |
Additional information
| Warranty : | 12 Month |
|---|---|
| Lead Time : | Ready Stock |
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