Pressure Switches

The HYDAC EDS 3400 is a compact electronic pressure switch with a rotatable 4-digit display, ±1% FS accuracy, and 1–2 PNP outputs. Designed for high-pressure measurement, it offers optional analogue output and independent switching adjustment for flexible and reliable operation.

Key Features:

• Compensated temperature range: -10 .. +70 °C
• Operating temperature range: -25 .. +80 °C (-25 .. +60 °C acc. to UL spec.)
• Storage temperature range: -40 .. +80 °C
• Fluid temperature range: -25 .. +80 °C

The HYDAC EDS 3400 with Flush Membrane is a compact electronic pressure switch designed for clog-prone media. It offers high accuracy (≤ ±1% FS), 1 or 2 PNP outputs, optional analog output, and a rotatable 4-digit display for easy setup and monitoring.

Key Features:

• Compensated temperature range: -10 .. +70 °C, -10 .. +60 °C for UL spec
• Operating temperature range: -25 .. +80 °C, -25 .. +60 °C for UL spec
• Storage temperature range: -40 .. +80 °C

The HYDAC EDS 4100 is an ATEX-certified electronic pressure switch designed for use in explosive atmospheres. With a robust ceramic sensing cell, high accuracy (≤ ±1% FS), and pre-set switching outputs, it offers reliable low-pressure measurement in hazardous zones.

Key Features:

• Measuring ranges: 1; 2.5 bar
• Overload pressures 3; 8 bar
• Burst pressures: 5; 12 bar
• Mechanical connection: G1/4 A DIN 3852
• Torque value: 20 Nm

• Compensated temperature range: -25 .. +85 °C
• Operating temperature range: -25 .. +85 °C
• Storage temperature range: -40 .. +100 °C
• Fluid temperature range¹): -40 .. +100 °C / -25 .. +100 °C

The HYDAC EDS 4300 ATEX is an intrinsically safe electronic pressure switch designed for hazardous environments. Based on the EDS 4000 series, it features a robust ceramic sensing cell, high accuracy, and factory-set switching parameters for reliable low-pressure measurement in explosive zones.

Key Features:

• Measuring ranges: 1; 2.5; 4; 6; 10; 16; 25; 40 bar
• Overload pressures: 3; 8, 12; 20; 32; 50; 80; 120 bar
• Burst pressures: 5; 12; 18; 30; 48; 75; 120; 180 bar

The HYDAC EDS 4300 ATEX Programmable is an intrinsically safe electronic pressure switch designed for use in explosive atmospheres. With user-programmable switching functions, high accuracy (≤ ±1% FS), and a durable ceramic sensing cell, it offers flexible, reliable pressure control across a wide range of low-pressure applications.

Key Features:

• Measuring ranges: 1; 2.5; 4; 6; 10; 16; 25; 40 bar
• Overload pressures: 3; 8, 12; 20; 32; 50; 80; 120 bar
• Burst pressures: 5; 12; 18; 30; 48; 75; 120; 180 bar

The HYDAC EDS 4400 is a compact, programmable pressure switch for high-pressure applications up to 600 bar. It offers precise switching, flexible output options (PNP/NPN), and is available in an ATEX version for hazardous areas.

Key Features:

• Measuring ranges: 40; 100; 250; 400; 600 bar
• Overload pressures: 80; 200; 500; 800; 1000 bar
• Burst pressures: 200; 500; 1000; 2000; 2000 bar

The HYDAC EDS 4400 is a programmable ATEX-certified pressure switch for hazardous areas, with ranges up to 600 bar and high durability. It features user-settable switching points, excellent accuracy, and robust stainless steel construction.

Key Features:

• Measuring ranges: 60; 100; 250; 400; 600 bar
• Overload pressures: 120; 200; 500; 800; 1000 bar
• Burst pressure: 300; 500; 1000; 2000; 2000 bar

The HYDAC EDS 4400 with flameproof enclosure is a programmable pressure switch approved for ATEX, CSA, and IECEx, ideal for global use in explosive environments. It offers high accuracy, robust stainless steel design, and easy programming via the HPG 3000 unit.

Key Features:

• Measuring ranges: 6; 16; 40; 60; 100; 250; 400; 600; 1000 bar
• Overload pressures: 15; 32; 80; 120; 200; 500; 800; 1000; 1600 bar
• Burst pressure: 100; 200; 200; 300; 500; 1000; 2000; 2000; 3000 bar
• Voltage supply: 12 .. 30 V DC

The HYDAC EDS 8000 is a compact, programmable electronic pressure switch with a 4-digit multi-color display and up to two PNP outputs. It features a robust stainless steel sensor, high accuracy, and intuitive VDMA-based menu navigation—ideal for hydraulic and pneumatic systems.

Key Features:

• Measurement range: 25; 40; 100; 250; 400; 600 bar
• Overload pressures: 80; 80; 200; 500; 800; 1000 bar
• Burst pressures: 200; 200; 500; 1000; 2000; 2000 bar