Standard dimensions of stainless steel distribution boxes
Stainless steel distribution boxes typically come in multiple standard heights, widths, and depths, with sizes tailored to amperage and installation requirements.
Standard Dimensions
ABB stainless steel enclosures offer a range of standard sizes:
- Heights: 2 standard options (exact values vary by series)
- Widths: 6 options, ranging from 400 mm to 1250 mm depending on amperage
- Up to 2500A (3P) → 400 mm
- Up to 4000A (3P) → 600 mm
- Up to 4000A (4P) → 800 mm
- Up to 6300A (4P) → 1000/1250 mm
- Depths: 5 standard options to accommodate different internal components and air circuit breakers . BARTEC stainless steel distribution boxes provide:
- Heights: starting from 120 mm, with multiple increments
- Widths and depths: 25 standard sizes, with additional customer-specific variants available
- Material: 1.4301 (V2 A) or 1.4404 (V4 A) stainless steel
- Configurations: empty housings or with door/cover, with or without flange plates .
Material and Protection
- Material: AISI 304 stainless steel is commonly used, offering high corrosion resistance and suitability for indoor and outdoor installations .
- Protection Ratings: IP66 (IEC EN 60529) and NEMA 4X, with mechanical impact resistance IK10 for opaque doors and IK09 for glass doors .
- Mounting Options: Floor-standing or wall-mounted, with internal mounting plates and DIN rail kits available for modular assembly .
Summary
Standard stainless steel distribution boxes are modular and versatile, with heights, widths, and depths selected based on amperage and installation needs. They are designed to meet industrial standards for corrosion resistance, mechanical protection, and environmental safety, and can be customized with internal kits, doors, and mounting accessories. Manufacturers like ABB and BARTEC provide both predefined standard sizes and customizable options to suit specific project requirements .
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