400A Complete Distribution Box

400A distribution boxes are high-capacity electrical panels designed for industrial, construction, and large-scale power distribution, offering robust safety, multiple outlets, and customizable configurations.

Overview

A 400 Amp distribution box is designed to manage high electrical loads safely and efficiently. These boxes are suitable for construction sites, industrial projects, outdoor events, and permanent installations. They provide multiple outlets, robust construction, and compliance with safety standards, ensuring reliable power distribution in demanding environments (SX Powercase, Bos Elektro ).

Key Models and FeaturesSX 400A Distribution BoxFactory-direct pricing with customizable options. Designed for versatility in various environments. Multiple outlets and robust construction for safety and efficiency.

Production time: 7–15 days, shipping varies by country. Bos Elektro Grande 400A Distribution BoxPortable solid rubber cabinet for high power outputs. Main switch: 4-pole, 400A.

Multiple socket configurations: 63A, 32A, and 16A circuits with RCD protection. Steel frame, impact-resistant housing, KEMA/DEKRA approved, compliant with EN 61439-4. Suitable for outdoor and intensive use.

Vertiv Liebert R

X 400A Distribution CabinetContinuous current rated 400A with 84 poles in a compact 24”x12” footprint. Isolated panelboards for arc flash containment. Configurable as single or clustered units (up to 4 cabinets).

Offers monitoring options at panelboard or branch circuit level. Floor or wall mount, tool-less installation, ideal for data centers.

Vello Elektro Power

Cubes 100–400ARobust, stackable design for harsh conditions. Easy mobility with lifting eyes and forklift compatibility. Clear organization with circuit breakers and connectors separated for accessibility.

Optimal protection against impact damage.

Safety and Standards

Most 400A distribution boxes comply with EN 61439-4 or equivalent European standards. Equipped with RCDs, circuit breakers, and earth leakage protection to ensure operator safety. Tested under full load and high voltage for reliability and certification purposes (Bos Elektro ).

Applications

Construction sites: Portable and durable for temporary high-power needs. Industrial facilities: Permanent installations with high current demands. Events and outdoor setups: Flexible and safe distribution for multiple devices.

Data centers: Compact, monitored cabinets for critical power distribution (Vertiv ).

Customization and Installation

Many models offer customizable socket configurations, pre-protection options, and modular designs. Installation can be floor-mounted, wall-mounted, or integrated into racks, depending on the model. Some models allow tool-less installation and easy future expansion (Vertiv ).

Choosing the right 400A distribution box depends on mobility, environmental conditions, number of outlets, and monitoring requirements. For high-demand, outdoor, or industrial applications, models like Bos Elektro or SX provide robust and flexible solutions, while Vertiv is ideal for compact, monitored setups in data centers.