Perseus™ differential pressure switches (Flameproof / Intrinsically Safe)

are designed to meet the demands of hazardous environments, making them available in flameproof Ex d or intrinsically safe options. These switches are suitable for a wide range of applications, including hydraulics, air, water, gases, chemicals, fuel oil, refrigerants, and more.

     With their robust housing, multiple switch configurations, and proven long-term reliability (SIL rating), Perseus™ differential pressure switches are ideal for OEMs involved in the construction of pumps, compressors, gas turbines, diesel engines, and other industrial equipment.

     These differential pressure switches are widely used in oil & gas and petrochemical facilities worldwide, where their performance and reliability are crucial.

Flameproof / Intrinsically Safe Differential Pressure Switch Specifications:

ATEX & IECEx Flameproof CEII2G Exd IIC option:Temperature Range: T6 Ta = -50 to +74°C, T5 Ta = -50 to +89°C
ATEX & IECEx CEII1G Exia IIC option:Temperature Range: T6 Ta = -50 to +78°C, T5 Ta = -50 to +93°C, T4 Ta = -50 to +128°C

General Features:

     - Switch Configurations: Choose between 1 x SPDT microswitch or 2 x SPDT microswitches, offering simultaneous operation or adjustable settings. There is also an option for an adjustable deadband.
     - Internal Adjustment Scale: The differential pressure switches feature an internal adjustment scale for convenient and accurate calibration.
     - Housing: The switchcases are constructed with 316 stainless steel and black anodized aluminum, ensuring durability and meeting IP66 & IP67 standards for ingress protection.
     - Proven and Documented SIL 2 IEC 61508 Suitability: These differential pressure switches have been extensively tested and meet the SIL 2 IEC 61508 standards, providing reliability and safety in critical applications.

Perseus™ differential pressure switches (Industrial)

are renowned for their exceptional toughness and reliability, making them one of the most trusted choices in the industry. Designed for use in challenging environments with hydraulics, air, water, gases, chemicals, fuel oil, refrigerants, and more, these switches are specifically tailored for OEMs involved in the construction of pumps, compressors, gas turbines, diesel engines, and other industrial equipment.

     The robust housing of Perseus™ differential pressure switches ensures their ability to withstand harsh conditions. They are built to endure scenarios such as waves crashing over them, being used as steps by engineers, or accidental impacts from scaffolding, making them highly durable.

Industrial Differential Pressure Switch Specifications:

     - Housing: Choose between 316 stainless steel or black anodized aluminum alloy, both of which meet the rigorous standards of IP66 and IP67 for protection against dust and water ingress.
     - Switch Configurations: You have the flexibility to select between a single-pole, double-throw (SPDT) microswitch or two SPDT microswitches. These switches can operate simultaneously or be adjusted as needed. Additionally, there is an option for an adjustable deadband, allowing for further customization.
     - Integral Terminal Block: The differential pressure switches are equipped with an integral terminal block, facilitating convenient and secure electrical connections via the M20 electrical entry.
     - Proven and Documented SIL 2 IEC 61508 Suitability: These differential pressure switches have undergone rigorous testing and are proven to meet the SIL 2 IEC 61508 standards, ensuring their suitability for critical applications where safety and reliability are paramount.
     - Circuit Monitoring Resistors Option: An additional option includes circuit monitoring resistors, which can enhance the functionality and monitoring capabilities of the differential pressure switches.
     - Perseus™ differential pressure switches offer unmatched reliability and longevity. Their ability to endure demanding conditions and their adherence to safety standards make them an excellent choice for various industrial applications.

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