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Automatic pressure relay | switch -0.5–6bar | differential ≤1bar | 8A (24VDC) | 20A (125VAC) | 10A (250VAC)

Code: ESLF5506M

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This automatic pressure relay | switch is designed for pressure control in compressors and refrigeration systems, operating with air, water, and oil. It allows regulation of compressor operation based on a set pressure limit, ensuring system efficiency and reliability. The integrated microswitch ensures reliable ON/OFF operation, while the standard mounting bracket facilitates installation.
The relay is suitable for industrial refrigeration equipment, air compressors, as well as hydraulic and water systems, supporting a wide temperature range from -10°C to 120°C.
Product description

Technical Specifications

Pressure Settings

Adjustable range: -0.5–6 bar
Reset differential ≤1 bar
Factory settings:
OFF: 3 bar
ON: Manual reset
Maximum working pressure: 16.5 bar
Operating Media

Supported media: Fluorinated refrigerants, air, water, oil
Operating temperature: -10°C to 120°C
Connections

Standard connections:
M12x1.25
7/16-20UNF
Other connections available upon request
Electrical Parameters

Contact type: SPDT (Single Pole Double Throw)
Current and voltage:
8A @ 24VDC
20A @ 125VAC, 10A @ 250VAC
FLA (Full Load Amperage): 15A @ 125VAC, 8A @ 250VAC
LRA (Locked Rotor Amperage): 72A @ 125VAC, 64A @ 250VAC
Operating temperature: -20°C to 110°C
Features and Properties

Universal Application: Suitable for air compressors, refrigeration systems, hydraulic equipment using various media types – refrigerants, air, water, or oil.
Adjustable Pressure Range: Allows precise adjustment of on/off pressure according to system requirements, ensuring optimal performance.
Reliable Micro Switch: Integrated high-quality SPDT micro switch guarantees long-term and stable operation even with frequent on/off cycles.
High Operating Temperature: Supports temperatures from -10°C to 120°C, making it suitable for both refrigeration and hydraulic solutions.
Wide Electrical Compatibility: Operates with AC and DC voltage, supports high load current, making it suitable for use in various industrial systems.
Compact Design and Easy Installation: The relay | switch has a standard mounting bracket, making it easy to install and connect to the system.
Usage

This automatic pressure relay | switch is ideal for:

Refrigeration systems: Pressure regulation in compressors with fluorinated refrigerants.
Air compressors: Automatic control of compressor operation based on pressure.
Hydraulic systems: Ensures reliable control when working with oil and water.
Industrial equipment: Used for pressure regulation in manufacturing and mechanical systems.
Pros:

Universal: Supports refrigerants, air, water, and oil.
Adjustable pressure range: Can be tailored to system requirements.
High-quality micro switch: Reliable for long-term use.
Wide operating temperature range: From -10°C to 120°C.
Easy installation: Standard connection and mounting bracket.
Suitable for various electrical networks: Operates with both AC and DC voltage.
Cons:

No moisture or dust protection: Additional protection may be required in humid environments.
Manual pressure setting required: No automatic adaptation functions.
Limited differential range: Some systems may require a wider adjustment range.
An automatic pressure relay | switch is a reliable solution for refrigeration and compressor systems, ensuring safe and efficient operation!

Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

CE certificate – a guarantee of safety, quality, and compliance

This product is marked with the CE label, which confirms that it complies with all applicable European Union directives and regulations. CE marking is not just a formality – it is an important indicator of quality and safety, ensuring that the product has been properly assessed, tested, and can be safely used throughout the EU market.

CE certification means that the product has been evaluated according to the main criteria:

Safety requirements – ensures that the product does not pose a risk to the user or the environment
Electromagnetic compatibility (EMC) – the device does not interfere with other equipment and is resistant to external disturbances
Environmental standards – complies with current ecological and material usage requirements
Operational reliability – the product is suitable for long-term use according to its intended purpose

CE marking allows this product to:

be legally supplied and used in all European Union countries
ensure a high level of quality and safety
be used in residential, commercial, and industrial environments

The CE mark is a declaration of the manufacturer’s responsibility, confirming that the product complies with all applicable standards and has been assessed according to EU legislation.

What does this mean for you as a buyer?

Safe use in everyday activities
Reliable performance and reduced risk of failure
Compliance with EU standards and requirements
Suitability for professional solutions

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