Midi 125A (2x63A 4x32A 6x230V) KEMA/DEKRA
(I.e. Midi distribution box 125A
De Midi is the ideal middle size in our range. Available with a high or low frame, with or without a terminal box, depending on the desired application. Thanks to the larger size, this series offers space for more extensive configurations, such as additional groups, power groups or specific connection combinations.
Whether for construction, industry, or temporary power supply: our Midi series delivers flexibility without compromising on robustness.
✅ Available in high and low frame
✅ More space for customized solutions
✅ Suitable for heavy-duty applications
✅ BOS quality: solid rubber housing, safe and durable
The perfect balance between compactness and capacity.
Our solid rubber distribution boxes are assembled with the most modern quality materials from the brands Siemens, Bremas and Eurokontakt and are built according to the latest techniques in the most solid design according to the European Standard EN 61439-4. The boxes are fully tested under full load and high voltage and provided with a detailed test certificate on which all measured values are shown.
Distribution box 125A Midi KL 6 4A Kema Keur consisting of:
Main switch: 4p. 125A.
Input and output: via a terminal box with terminals suitable for M8
Power 1: 2 flush-mounted sockets 5-pole 63A protected by 1 circuit breaker 4-pole 50A and 1 residual current device 63A 0,3A per socket
Power 2: 4 built-in sockets 5p. 32A protected by 1 circuit breaker 32A per socket. The 32A power groups are protected by 1 earth leakage circuit breaker 63A 0,03A.
Lighting: 6 flush-mounted sockets 2-pin + earth 16A protected by 1 16A circuit breaker per 2 sockets. The 16A lighting circuits are protected by 1 40A 0,03A residual current device.
Pre-protection: The 16A lighting and 32A power circuits are pre-protected by means of 1 circuit breaker, 4-pole, 50A.
Standard: High model steel frame, heavy galvanized. A lifting bracket is optional.
- This Midi is Kema/Dekra approved.
- Housing made of 100% solid rubber; unique composition where impact and shock resistance is the starting point.
- Use of premium materials such as: Siemens, Eurokontakt, BTicino and Bremas.
- The frame is made of hot-dip galvanized steel, which guarantees complete protection and a wear-resistant, durable finish, and remains rust-free. This makes the frame particularly suitable for intensive use and application in outdoor environments.
- Our portable distribution boxes are designed for maximum serviceability. Sockets can be easily replaced from the outside without having to open the distribution box. This allows interventions to be carried out quickly and efficiently, resulting in minimal downtime. In addition, safety is significantly enhanced, as no access to live parts is required during replacement or maintenance.
- The Midi is tested and delivered with a comprehensive test report.
Bos distribution cabinets are extensively tested under full load in accordance with the European standard EN 61439-4. This standard ensures safe electrical installations at construction sites. Using our modern testing equipment, we test for all possibilities, from high voltage to leakage current testing. After this test, every distribution cabinet receives a unique and comprehensive test report, which can be downloaded anywhere via a scannable QR code.

