Electrical distribution box | enclosure | cabinet | with mounting plate | 300x400x150mm | waterproof | surface-mounted | stainless steel | IP66
Code: ES-740325Stainless steel electrical distribution enclosure designed for professional and secure installation of electrical, automation, control, signaling, data transmission, and various technical assemblies in both indoor environments and demanding outdoor or industrial conditions. This enclosure is manufactured from durable 1.2 mm thick stainless steel, therefore it offers exceptional resistance to corrosion, moisture, chemical exposure, temperature fluctuations, and mechanical impacts. The welded one-piece корпус ensures structural rigidity and long service life even under intensive operation.
The enclosure features an integrated 2.0 mm mounting plate, PU one-piece hermetic sealing gasket, stainless steel hinges, quarter-turn locking mechanism, and factory-installed grounding studs, therefore the installer receives a fully prepared solution for fast, neat, and professional installation of components.
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Technical Specifications
Product type: hermetic stainless steel electrical and automation enclosure
External dimensions: 300 x 400 x 150 mm
Housing material: AISI 304 grade stainless steel
Alternative version available: AISI 316 grade stainless steel
Metal thickness: 1.2 mm
Protection class: IP66
Housing construction: fully welded one-piece enclosure
Surface finish: brushed satin surface
Door type: single door
Hinges: stainless steel hinges
Lock: quarter-turn double bit type stainless steel lock
Sealing: continuous polyurethane sealing gasket
Internal mounting plate: 2.0 mm Alu-Zinc galvanized metal plate
Mounting plate fixing: integrated fixing studs
Grounding points: integrated grounding studs in the enclosure and door
Application purpose: indoor, outdoor and industrial use
Corrosion resistance: very high
Suitable for long-term use in demanding environmentsFunctions
Hermetic protection of internal equipment – the continuous PU gasket and tightly compressed door protect electrical components from dust, moisture and dirt ingress
Corrosion-resistant construction – AISI 304 stainless steel prevents the enclosure from rusting even in humid, chemical or outdoor environments
Mechanical protection of components – the durable 1.2 mm thick steel housing protects internal equipment against impacts, deformation and accidental damage
Convenient installation of electrical devices – the integrated 2.0 mm Alu-Zinc mounting plate allows fast and orderly fixing of automation and control components
Secure door locking – the quarter turn double bit lock ensures firm compression and protects against accidental opening
Long-lasting door operation – stainless steel hinges are designed for frequent technical maintenance and long-term use
Reliable grounding connection – integrated Earth studs allow safe grounding connection of the enclosure and door to the PE circuit
Rigid one-piece construction – the welded cabinet reduces vibrations, increases enclosure stability and extends service life
Aesthetic professional installation – the hairline brushed surface provides a clean industrial appearance in representative or visible locations
Universal use for various systems – the enclosure is suitable for automation, electrical distribution, alarm, communication or control equipmentUse
For the electrician: fast and professional installation of components, no need to additionally manufacture a mounting base, convenient grounding points, durable site solution.
For the automation engineer: excellent enclosure for PLCs, relays, power supply and control circuits, safe environmental protection for sensitive electronics, neat component arrangement.
For industrial companies / farms: resistant to aggressive operation, suitable for humid, washable and dusty zones, does not require frequent maintenance due to corrosion.
For the individual user: suitable for protection of outdoor pumps, gate automation, solar power systems, workshop electrical equipment, looks aesthetic and professional.Advantages
AISI 304 stainless steel
Durable 1.2 mm thick metal
Fully welded cabinet
Continuous PU hermetic gasket
Stainless steel hinges
Professional quarter turn lock
2.0 mm Alu-Zinc mounting plate included
Integrated grounding points
Long-lasting industrial solution
Suitable for both indoor and outdoor use
Aesthetic hairline surfaceDisadvantages
Heavier than plastic or painted metal enclosures
Requires high-quality hermetic cable glands in order to fully maintain sealingIs this enclosure suitable for outdoor use?
Yes, the stainless steel housing and hermetic sealing allow it to be safely used in outdoor conditions.Is there a mounting plate inside?
Yes, the enclosure is supplied with a durable 2.0 mm Alu-Zinc mounting plate for convenient installation of electrical components.What equipment is this enclosure most commonly used for?
It is most commonly used for mounting circuit breakers, relays, contactors, controllers, power supplies and other automation equipment.Is the enclosure suitable for industrial facilities?
Yes, due to its strong construction and resistant materials it is perfectly suitable for manufacturing plants, warehouses, technical rooms and outdoor installations.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.The IP protection class indicates the device's resistance to environmental factors.

The first digit indicates protection against dust and solid objects.
The second digit indicates protection against moisture.First digit values:
X — Untested;
0 — No protection;
1 — Protected against solid objects larger than 50 mm;
2 — Protected against solid objects larger than 12.5 mm;
3 — Protected against solid objects larger than 1 mm;
4 — Protected against solid objects larger than 1 mm;
5 — Dust protected;
6 — Totally dustproof.
Second digit values:X — Untested;
0 — No protection;
1 — Protected against vertically falling water drops;
2 — Protected against water drops falling at a 15º angle;
3 — Protected against rain falling at a 60º angle;
4 — Protected against water splashes;
5 — Protected against water jets;
6 — Protected against large amounts of water;
7 — Protected against short-term immersion in water up to 1 meter deep;
8 — Protected against long-term immersion in water up to 3 meters deep.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 purposeCE 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 environmentsThe 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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