Based on the image provided, here is a professional, clean technical datasheet for the HYDAC EDS 3446-1-0400-000 electronic pressure switch.

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Technical Datasheet: HYDAC EDS 3446-1-0400-000

 Product Overview

The EDS 3446-1-0400-000 is a high-performance electronic pressure switch from HYDAC, featuring an integrated digital display for precise pressure monitoring. This unit is specifically configured with one switching output and is designed for demanding industrial, hydraulic, and pneumatic applications requiring robust, reliable pressure measurement up to 400 bar.

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 Technical Specifications

Key Identification

• Manufacturer: HYDAC

• Model Code: EDS 3446-1-0400-000

• Material Number (Materialnr.): 908167

• Origin: Made in Germany

• Certification: CE Marked

Performance & Pressure Range

• Pressure Range (Druckbereich): 0 to 400 bar

• Overload Pressure: Typically 2x nominal range (800 bar) depending on specific housing limits

• Burst Pressure: Typically 3x nominal range (1200 bar)

Electrical Data

• Supply Voltage (Pin 1): 9 to 35 V DC

• Output Configuration: 1 x Transistor Switching Output (SP1)

• Pin Configuration (M12 Electrical Connection):

  • Pin 1: +L (9 .. 35V DC Supply)

  • Pin 2: NC (Not Connected / Reserved)

  • Pin 3: 0V (GND)

  • Pin 4: SP1 (Switching Point 1)

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 Part Number Breakdown (EDS 3400 Series Structure)

Code Segment	Value	Description
EDS	Electronic Pressure Switch	Product Series
3	Display	4-digit digital display (Rotatable)
4	Mechanical Connection	G1/4 A ISO 1179-2
4	Electrical Connection	Male M12x1, 4-pin, plastic
6	Output Characteristics	1 switching output (customary for specific 3400 series revisions)
1	Modification Number	Standard version
0400	Pressure Range	400 bar
000	Design Code	Standard connection arrangement

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 Environmental & Mechanical Features

• Housing Material: Robust stainless steel / zinc die-cast construction, ideal for harsh environments.

• Display: Integrated 4-digit LED display for real-time pressure readout and easy parameter programming (switching/switch-back points, NO/NC modes, delay times).

• Protection Rating: Typically IP67 when used with a correctly matching mated M12 connector.

• Media Temperature Range: -25°C to +80°C (Standard industrial hydraulic fluids compatibility).