Double Door Metal Box

How to Choose a Double Door Metal Box ?

1. Space & Component Needs
Component Size: Measure largest device (e.g., a 400x300mm PLC) and add 30% space for wiring and future expansions.
Layout Design: Opt for split doors if needing separate access to controls (upper) and wiring (lower); full doors for uniform access to large panels.

2. Environmental Requirements
Corrosion Resistance: SS304 for general outdoor use; SS316 for coastal/chemical environments; powder-coated steel for indoor industrial.
Weather Protection: IP65 for rain/dust; IP66 for (e.g., car washes); IP67 for flood-prone areas.

3. Security & Access
Locking System: Multi-point latches for heavy-duty security (industrial); keyed cylinder locks for shared access (commercial).
Gasket Type: EPDM gaskets (UV-resistant, 10+ year lifespan) for outdoor boxes; silicone for high-temperature environments.

4. Brand & Customization
Leading Brands:
Rittal: Modular double door enclosures with thermal management (TS 8 series).
Eaton: NEMA 4X-rated boxes for power distribution, compatible with UL 508A control panels.
Schneider Electric: Customizable enclosures for industrial automation, with pre-cut mounting plates.

Weatherproof Design

IP Rating:

IP65: Dust-tight and protected against water jets (most common for outdoor use, e.g., Rittal outdoor enclosures).

IP67: Temporary water immersion (1m depth for 30 minutes, suitable for flood-prone areas or irrigation systems).

IP66/IP69K: High-pressure water jet resistance (industrial-grade, used in car washes, factories).

About Us

why choose us?

 

We are a well-known enterprise in China specializing in the production of various distribution boxes, and we focus on distribution boxes. Our product range includes: metal wall-mounted distribution boxes, top stainless steel distribution boxes, floor-standing cabinets, modular cabinets, network cabinets, terminal boxes, junction boxes, sealed boxes, telephone boxes, etc.

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What is the main difference between a double-door metal box and a single-door metal box? What scenarios are they suitable for?

Core differences:
Space and layout: Double-door boxes provide larger internal space (the volume can be up to 2-5 times that of single-door boxes) and support hierarchical management (such as installing controllers on the upper layer and routing cables on the lower layer).
Access convenience: The double-door design allows partial opening (such as opening only the upper door maintenance module), reducing the overall exposure risk, and is suitable for complex systems with frequent maintenance.

Applicable scenarios:
Single-door box: small equipment (such as a single circuit breaker, sensor);
Double-door box: large control modules (PLC, VFD), multi-component systems (distribution panels, industrial control cabinets), and scenarios that require partition management (such as data center PDU).

How to choose the material and structure of a double-door metal box according to the load-bearing requirements?

Light load (<50kg):
Material: cold-rolled steel (SPCC) powder coating or aluminum alloy, suitable for indoor control cabinets (such as office distribution boxes).
Structure: single-row hinges, single-point locks, no internal reinforcement frame.

Medium load (50-150kg):
Material: SS304 stainless steel or thickened aluminum alloy, suitable for outdoor power distribution systems (such as photovoltaic inverter boxes).
Structure: double-row hinges, double-point locks, and internal load-bearing rails/brackets.

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