Description
SUCO manufactures high-performance, reliable, and long-lasting pressure monitoring solutions for equipment that requires extra durability. The SUCO 0396 and 0397 series pressure switches are designed for intrinsically safe circuits in hazardous areas, offering diaphragm and piston pressure switch options for dependable pressure monitoring across industrial equipment and applications.
Series
0396 – Diaphragm pressure switch
Pmax in bar: 100 bar
Pmax in bar: 400 bar
0397 – Piston pressure switch
Pmax in bar: 700 bar
Features
- ATEX intrinsically safe design for hazardous-area pressure monitoring
- Ex ia protection for intrinsically safe circuits
- Diaphragm and piston pressure switch designs for pressure monitoring applications
- 1.4305 stainless steel construction for durable equipment applications
- Factory-adjustable hysteresis for pressure switching requirements
- Gold-contact changeover switch for electrical switching
- 1,000,000-cycle mechanical life expectancy for long-lasting operation
- ATEX and IECEx compliant for hazardous-area applications
Applications
- Pumps and pump systems – Pressure monitoring in fluid handling, fuel transfer and process pumping equipment.
- Compressors and gas systems – Pressure control in compressors, gas handling equipment and pneumatic systems operating in hazardous areas.
- Hydraulic and pneumatic equipment – Pressure monitoring in hydraulic power units, pneumatic controls, actuators and other pressure systems.
- Oil and gas equipment – Pressure monitoring in equipment used for oil and gas processing, storage, transfer and related applications.
- Chemical and process equipment – Pressure monitoring in process machinery, pipelines, vessels and systems used in chemical and petrochemical environments.
- Mining equipment – Pressure monitoring in mining machinery and equipment designed for use in potentially explosive atmospheres.
- Fuel and combustion systems – Pressure monitoring in fuel handling equipment, burners and other industrial systems where flammable gases or vapors may be present.
- Industrial machinery – Pressure switching and monitoring in machinery installed in ATEX-classified hazardous areas.
The 0396 and 0397 series are available for applications involving ATEX Zones 0, 1 and 2 for gases and vapors, as well as Zones 20, 21 and 22 for combustible dust, depending on the specific product configuration and certification.
The suitability of a pressure switch depends on the required pressure range, temperature, media compatibility, electrical configuration and hazardous-area classification.
Always verify the product specifications and ATEX certification before selecting a switch for a specific application
ATEX Approvals
| Application | Zones | ATEX Classification |
|---|---|---|
| Gas & Vapors | 0, 1 & 2 | II 1G Ex ia IIC T6 Ga |
| Dusts | 20, 21 & 22 | II 1D Ex ia IIIC T135°C Da |
| Mining | — | I M1 Ex ia I Ma |
Technical Specifications
| Specification | Details |
|---|---|
| Protection Class | Ex i |
| Gas Zone | 0, 1, 2 |
| Dust Zone | 20, 21, 22 |
| Housing Material | Stainless steel 1.4305 |
| Mechanical Life Expectancy | 1,000,000 cycles |
| Pressure Rise Rate | ≤ 1,000 bar/s |
| Seal Materials | NBR, EPDM, FKM (Diaphragm pressure switch) , FKM (Piston pressure switch), HNBR, Silikon, EPDM-TW |
| Maximum Voltage | 24 V |
| Contact | Changeover, gold contacts |
| Hysteresis | Adjustable at the factory |
| Electric connection | Device socket |
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