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  • New itemTop seller   Industrial socket box | 1×16 A 5P 400 V + 2×230 V 16 A | with 0–1 switch | IP44 | SEZ ROS 4/V-12
    New itemTop seller   Industrial socket box | 1×16 A 5P 400 V + 2×230 V 16 A | with 0–1 switch | IP44 | SEZ ROS 4/V-12 1

    Industrial socket box | 1×16 A 5P 400 V + 2×230 V 16 A | with 0–1 switch | IP44 | SEZ ROS 4/V-12

    Code: ROS4/V-12
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    Price 49.69 € VAT incl.
    ( 41.07 € VAT excl. )
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    SEZ socket box with 1×CEE 16 A 5P + 2×230 V 16 A outlets, IP44, with a 0–1 switch. No MCBs or RCD inside – protection is installed in the supply board.

  • Product description

    Industrial socket box | 1×16 A 5P 400 V + 2×230 V 16 A | with 0–1 switch | IP44 | SEZ ROS 4/V-12

    SEZ ROS 4/V-12 – SEZ socket box with 1×CEE 16 A 5P 400 V and 2×230 V 16 A domestic outlets. A 0–1 switch turns the outlet supply on and off. Enclosure protection – IP44.

    Key point:
    One box gives you a three-phase outlet for heavier equipment and 230 V domestic outlets for hand tools, lighting or chargers. The switch lets you turn the outlets off locally without walking to the board. There are no MCBs or RCD in the box, so all protection must be in the supply board.
    Outlets
    1×CEE 16 A 5P + 2×230 V 16 A
    Protection
    IP44
    Current
    16 A
    Switch
    0–1

    How it works

    Supply: a 5-core cable (L1, L2, L3, N, PE) is brought in through a sealed cable entry and connected inside the box. A cable with plug is not listed in the manufacturer data – the installer selects it.

    Outlets: the CEE 16 A 5P outlet receives all three phases, N and PE (400 V), while the 2×230 V outlets get one phase, N and PE (230 V). The 0–1 switch turns the outlet supply on and off.

    Protection: the box is unprotected (no MCBs or RCD). An MCB (not above 16 A) and a 30 mA RCD are installed in the supply board; IP44 applies only with the outlet lids closed.

    Why choose SEZ ROS 4/V-12?
    One three-phase cable gives you both 400 V and 230 V outlets without a separate board. The 0–1 switch lets you turn the outlets off locally. All outlets are 16 A, which makes line protection simple to select.

    Technical specifications

    Product type Socket box with 0–1 switch
    Manufacturer / model SEZ DK a.s. (Slovakia) / ROS 4/V-12
    Manufacturer order No. 200860
    Series ROS 4/V, with 0–1 switch
    400 V outlets 1× CEE 16 A 5P (3P+N+PE), 400 V, 6h
    230 V outlets 2× 230 V 16 A (confirm type)
    Rated voltage 400 V~ / 250 V~, 50 Hz
    Protective devices None (unprotected version, no MCBs or RCD)
    Switch 0–1
    Degree of protection IP44 (with lids closed)
    Enclosure Plastic
    Supply connection Sealed cable entry, terminals inside
    Ambient temperature −25…+40 °C (catalogue data)
    Standards EN 61439-3; CEE outlets to EN 60309-2
    Total load not above the line breaker (≤16 A)

    Main functions

    • 1× CEE 16 A 5P 400 V – for three-phase tools, compressors, mixers, heaters
    • 2× 230 V outlets – for hand tools, lighting, chargers
    • 0–1 switch – outlets can be switched off locally
    • IP44 enclosure – protection against splashing water
    • Sealed cable entry – supply cable enters through a seal
    • No modules – simple design, protection stays in the supply board

    How does it differ from similar products?

    SEZ ROS 4/V-10 (2228) 1×32 A 5P + 2×230 V 16 A with 0–1 switch, IP44 – for a more powerful three-phase load.
    SEZ ROSP 1631/S (2221) 1×16 A 5P + 2×Schuko, IP54, no switch – when local switching is not needed.
    SEZ ROSP 1631 D/S (577) 1×16 A 5P + 2×Schuko, IP54, with holder – a smaller portable option.
    SEZ ROS 1603 D/S (591) 3×16 A 5P + 2×Schuko, IP44, with holder – more three-phase outlets.

    Where is it used?

    • Garages and car service shops
    • Workshops and production areas
    • Farm buildings and barns
    • Temporary power for repairs and events
    • Construction work – fed from a site board
    • Indoor and covered areas

    Use by need

    Beginner.
    The box comes fully fitted – it needs a suitable cable and connection to a protected board. It is not an extension lead with breakers: leave the connection to an electrician.
    Experienced installer.
    Use a flexible rubber 5-core cable (e.g. H07RN-F) sized to the line; check phase sequence at the CEE outlets and PE continuity.
    Power engineer / designer.
    The box is an end point without internal protection: overload and short-circuit protection (not above 16 A) and a 30 mA RCD are designed into the supply board. For sites – HD 60364-7-704.

    Practical use

    In a car service shop the box is installed at the workstation: a three-phase compressor plugs into the CEE outlet, a lamp and grinder into the 230 V outlets, and after work the outlets are turned off with the 0–1 switch. It is fed from the board through a 16 A MCB and a 30 mA RCD.

    Pros / advantages

    • Three-phase and domestic outlets in one enclosure
    • All outlets 16 A – protection is simple to select
    • 0–1 switch to turn outlets off locally
    • IP44 enclosure
    • Sealed cable entry

    Cons / limitations

    • No MCBs or RCD – protection must be in the supply board
    • The 0–1 switch is not a protective device – it does not replace an MCB or RCD
    • Total load of all outlets is limited by the line breaker (up to 16 A), as the outlets have no separate protection
    • IP44 – not for continuous rain or water jets; outdoors it needs cover

    Safety and installation notes

    • ⚡ Connection and testing must be done by a qualified electrician, with the supply switched off.
    • ⚡ There are no MCBs or RCD in the box: protect the supply line with an MCB sized to the cable, not above 16 A, and a 30 mA RCD. The total load of all outlets must not exceed the line breaker.
    • If the supply line is single-phase, the CEE 400 V outlet must not be used – it will not have 400 V; feed the box from a three-phase 5-core line.
    • The PE contacts of the 230 V outlets must be connected – check PE continuity to every outlet and phase sequence at the CEE outlet.
    • On construction sites feed the box only from a site distribution board (HD 60364-7-704).
    • IP44 applies only with the outlet lids closed and the cable entry tightened.
    • The 0–1 switch is not an isolator for work inside the box – switch off the supply at the board before opening the enclosure.

    Quick selection guide

    1×CEE 16 A 5P 400 V
    2×230 V 16 A
    IP44
    0–1 switch, no MCBs
    Suitable when you need:
    • 400 V and 230 V outlets from one cable
    • Switching outlets off locally
    • Work indoors or under cover
    Check before choosing:
    • Is there a ≤16 A MCB and a 30 mA RCD in the supply board
    • Is the cable 5-core and does it fit the cable entry
    • Confirm the domestic outlet type (Schuko or French with earth pin) when ordering
    • Is a total load of 16 A enough
    Important reminder: The box does not replace a protective board: it has no MCBs or RCD, and the 0–1 switch is not a protective device. All protection must be in the supply board.
    ☝ Elsprendimai.eu recommends:

    FAQ

    Does the box contain MCBs or an RCD?
    No. The manufacturer lists it as an unprotected version, so an MCB (not above 16 A) and a 30 mA RCD must be in the supply board.
    Which supply cable should I use?
    A 5-core (L1, L2, L3, N, PE) flexible rubber cable, e.g. H07RN-F; the electrician selects the cross-section by protection and length.
    Can it be fed from a single-phase line?
    No. The 230 V outlets would work, but there would be no 400 V at the CEE 5P outlet. The box is intended for three-phase supply.
    What does the 0–1 switch do?
    It turns the outlet supply on and off. It is not a protective device and does not replace an MCB or RCD.
    What type are the 230 V outlets?
    The manufacturer data only states 230 V 16 A. Confirm the type (Schuko or French with earth pin) when ordering.
    Can it be used outdoors or on a construction site?
    The IP44 enclosure is splash-proof, but it needs cover from rain. On sites – only when fed from a site board with an RCD (HD 60364-7-704).

    Sources: SEZ DK a.s. product page (https://www.sez.sk/produkty/ros-4-v-12/); catalogue K1.1 "Zásuvkové rozvodnice a bubny" (2017). Checked 2026-10-20.

    SEZ ROS 4/V-12 – socket box 1×CEE 16 A 5P + 2×230 V 16 A, IP44

    SEZ ROS 4/V-12 – socket box (1×16 A 5P 400 V + 2×230 V 16 A), IP44, with 0–1 switch, no MCBs or RCD. Suitable for garages, workshops and temporary power supply.

    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.

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