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Electrical distribution box | enclosure | cabinet | with mounting plate | 400x600x250mm | waterproof | surface-mounted | stainless steel | IP66

Code: ES-741490

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Stainless steel hermetic electrical enclosure with an internal mounting plate is designed for safe installation of electrical components, automation equipment, control devices, terminal blocks, relays, contactors, and various installation assemblies in indoor, outdoor, and industrial environments. It is a compact yet highly durable enclosure intended for long-term use wherever maximum resistance to moisture, dust, corrosion, and mechanical impact is required.

The housing is made of high-quality AISI 316 grade stainless steel, making it suitable for more aggressive environments such as the food industry, production workshops, outdoor installations, washing areas, ventilation systems, chemical zones, or humid technical rooms.

Thanks to the IP66 protection class, continuous polyurethane PU gasket, concealed stainless steel hinges, and stainless steel double-bit quarter-turn lock, the enclosure maintains a high level of protection even under intensive operating conditions. An additional professional advantage is the internal unpainted Alu Zinc mounting plate designed for convenient fastening of equipment inside the enclosure. The mounting plate is fixed on special welded studs, therefore no bolt heads penetrate through the external rear wall of the enclosure – ensuring maximum sealing performance and a clean, seamless exterior finish.
Product description

Technical Specifications

Product type: hermetic stainless steel electrical enclosure / box with mounting plate
Mounting type: wall-mounted / surface-mounted
External dimensions (W x H x D): 400 x 600 x 250 mm
Enclosure material: reinforced AISI 316 grade stainless steel
Metal thickness: 1.5 mm
Weight: 21,44 kg
Protection class: IP66
Surface finish: brushed satin finish
Door sealing: one-piece injected polyurethane sealing gasket
Door hinges: concealed stainless steel hinges
Lock: stainless steel
Door grounding: integrated grounding screw welded to the enclosure
Internal mounting plate: aluminum-zinc mounting plate
Mounting plate fastening: fixed on welded studs
Rated operational voltage Ue: 690V AC
Rated insulation voltage Ui: 1000V
Rated frequency: 50-60 Hz
Standards: IEC 61439-1&2; IEC 60529; IEC 62208; BS EN 60439-1&2; BS EN 60529

Functions

Maximum protection against environmental impact: IP66 class ensures complete protection against dust and strong water jets, making the enclosure suitable for both indoor and outdoor installations.
Resistance to corrosion and moisture: reinforced AISI316 stainless steel withstands humid, aggressive, or hygiene-demanding environments.
Fully welded enclosure: without weak joints or additional seams – better tightness, higher mechanical strength, and longer service life.
Internal mounting plate for equipment fixing: the Alu Zinc mounting plate allows convenient installation of automation components, while its fastening on welded studs preserves the enclosure integrity.
Concealed hinges and secure lock: when the door is closed, the hinges are invisible, the construction looks aesthetic and is additionally protected from external damage.
Door grounding point: integrated door grounding contact increases electrical safety when installing active equipment.

Usage

For household users: outdoor pump control, gate automation, solar power distribution, more powerful control assemblies for workshops or garages, damp technical rooms.
For electricians: installation of electrical automation, protection devices, relays, contactors, terminals, and control circuits. The internal mounting plate allows quick and neat assembly of the wiring scheme.
For engineers / designers: suitable for designing industrial, hygienic, or outdoor control enclosures where compliance with IP requirements, mechanical reliability, and durability is necessary. Mounting plate fastening without through bolts helps maintain a solid sealed enclosure.
For industrial specialists: used in food industry, chemical zones, washing areas, ventilation systems, water treatment units, production lines, and automation stations.

Advantages

reinforced AISI316 stainless steel – durable and corrosion resistant
High IP66 hermetic protection class
Fully welded enclosure without weak points
Internal mounting plate
Concealed stainless steel hinges
Stainless steel lock
One-piece polyurethane door gasket
Integrated door grounding
Complies with IEC international standards

Disadvantages

Stainless steel enclosure is heavier than plastic boxes
Higher class enclosure has a higher price than standard enclosures

Frequently Asked Questions (FAQ)

Does this enclosure include a mounting plate?

Yes, it is supplied with an internal mounting plate for convenient equipment installation.

Do the mounting plate fastening bolts protrude outside?

No, the plate is mounted on welded studs, therefore the rear wall of the enclosure remains solid and sealed.

Is this enclosure suitable for outdoor installation?

Yes, the IP66 protection class and reinforced AISI316 stainless steel allow use in outdoor conditions and damp areas.

Is the enclosure suitable for automation equipment?

Yes, due to the mounting plate, 690V AC working voltage, and IEC standards, it is suitable for automation and electrical equipment.

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.

IP protection class values

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.

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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