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CEMO 8/20 LockEX 2.0 charging cabinet Safety charging cabinet for lithium-ion batteries

Technical data

Cabinet power supply: 230 V / AC, 400 V / AC
Cabinet type: Freestanding cabinet
Charging function: Yes
Integrated power strips: 4 power strips with each 9 sockets, each rated at 230 V
Max. energy density (kWh): 12
Max. energy density per charging level (kWh): 1.5
Place of deployment: Indoor area
Shelves: 6
Stacking feet / rolls: With stacking feet
Version: Basic, Premium

Product information „CEMO 8/20 LockEX 2.0 charging cabinet“

Brief overview

The CEMO 8/20 LockEX 2.0 charging cabinets are safety cabinets designed for the stationary storage and charging of lithium-ion batteries indoors. With eight storage levels, six shelves and a total of 36 slots, the large 8/20 model offers sufficient capacity for the separate storage and simultaneous charging of a large number of batteries. The division into two sections, each of which can be opened independently, facilitates a structured use of the cabinet’s interior.

The fire- and explosion-resistant design combines passive fire protection measures with mechanical ventilation, fire detection and the LockEX 2.0 pressure relief system. Depending on the required level of safety and monitoring, the Basic and Premium versions are available. Both variants feature four 9-way power strips with a total of 36 sockets and are available with either a 230 V or 400 V power supply.

Comparison of variants


CEMO 8/20 Basic

CEMO 8/20 Premium

Warning system

Audible, battery-operated

Audible, mains-powered

Connection via potential-free contact

The Basic version provides the standard equipment for storage and charging and features a battery-powered smoke detector and a temperature cut-out. The Premium version supplements the system in particular with a mains-powered smoke detector and a potential-free contact for integration into an existing safety infrastructure.

Both versions are available in 230 V or 400 V. The 230 V version is connected via a Schuko plug, whilst the 400 V version features a CEE 16 A connection.

Scope of delivery

Depending on the version selected, the package includes:

  • CEMO 8/20 LockEX 2.0 charging cabinet in the Basic or Premium variant
  • Choice of 230 V or 400 V power supply
  • Feet
  • 4 double-leaf doors
  • T-handle with 2-point locking mechanism
  • 6 shelves made of powder-coated steel
  • 8 storage levels
  • 4 × 9-socket power strips with a total of 36 sockets
  • Technical ventilation
  • Door contact switch
  • Smoke detector
  • Temperature cut-out
  • LockEX 2.0 pressure relief system

Also included with Premium:

  • Mains-powered smoke detector
  • Dry contact for integration into an existing security infrastructure

Technical data

  • Installation location: Indoors
  • Material: Non-combustible building material
  • Finish: HPL
  • Operating voltage: Either 230 V or 400 V
  • Max. electrical power at 230 V: 3,500 W / 16 A
  • Max. electrical power 400 V: 2 × 3,500 W / 16 A
  • Frequency: 50/60 Hz
  • 230 V plug: Schuko
  • 400 V plug: CEE 16 A
  • Number of sockets: 4 × 9
  • Technical ventilation: Yes
  • Door contact switch: Yes
  • Number of doors: 4
  • Door design: Double-leaf doors
  • Door lock: T-handle with 2-point locking mechanism
  • Number of shelves: 6
  • Shelf material: Steel, powder-coated
  • Number of storage levels: 8
  • Load capacity per storage level: 30 kg
  • Total permissible energy: 12,640 Wh
  • Permissible energy per storage level: 1,580 Wh
  • Charging function: Yes
  • Temperature monitoring: Thermal fuse
  • Warning signal: Audible
  • Locking system: LockEX 2.0
  • Wheelchair accessible: Yes
  • Door colour: Orange
  • Body colour: Grey

Safety and protection features

The integrated fire detection system provides an audible warning should smoke be detected. Whilst the Basic version is fitted with a battery-powered smoke detector, the Premium version features a mains-powered smoke detector. In both variants, temperature monitoring is carried out via a thermal fuse.

The LockEX 2.0 pressure relief system is a standard feature of both versions and serves to relieve pressure should it rise inside the cabinet. The fire-retardant partition levels are designed to limit the spread of a fire between individual battery modules.

The division of the cabinet into two sections that can be opened independently of one another allows for physical separation within the cabinet. In addition, the charging cabinets are fitted with mechanical ventilation and a door contact switch.

The premium version also offers, via the potential-free contact, the option of connecting to a central fire alarm system or existing safety infrastructure. According to the current product data sheets, an independent alarm relay function is not integrated.

Areas of application

The CEMO 8/20 LockEX 2.0 charging cabinets are designed for the storage and simultaneous charging of lithium-ion batteries in commercial and industrial indoor environments.

Typical areas of application include:

  • Industrial and manufacturing facilities
  • Workshops and service areas
  • Trades businesses
  • Warehouse and logistics areas
  • Research and development
  • Charging and storing tool batteries
  • Tool and machine batteries

With eight storage levels and a total of 36 slots, the 8/20 model is particularly suitable for applications where a large number of batteries need to be stored and charged simultaneously. The two compartments, which can be opened independently of one another, allow for additional organisation of the cabinet’s interior space.

The choice between 230 V and 400 V allows the charging infrastructure to be adapted to the required electrical power. The premium version, with its potential-free contact, also offers the option of integration into existing operational safety concepts.

Approvals / Standards

Tested in accordance with:

  • in accordance with VDMA Standard Sheet 24994:2024-08

Notes on use

The CEMO 8/20 LockEX 2.0 variants are designed as storage and charging cabinets for lithium-ion batteries and are intended for indoor installation. The integrated charging infrastructure provides a total of 36 slots across eight storage levels.

Specific use and installation should be carried out as part of the workplace risk assessment and in accordance with the relevant fire safety plan.

Conclusion

The CEMO 8/20 LockEX 2.0 charging cabinets offer a fire- and explosion-resistant solution for the indoor storage and charging of a large number of lithium-ion batteries. Eight storage levels, six shelves, a total of 36 battery slots, mechanical ventilation, temperature monitoring and the LockEX 2.0 pressure relief system are the key features.

With the two equipment levels, Basic and Premium, the scope of fire detection and external connectivity can be adapted to different operational requirements. The additional choice between 230 V and 400 V allows the charging infrastructure to be configured according to the required electrical power.

Cabinet power supply: 230 V / AC, 400 V / AC
Cabinet type: Freestanding cabinet
Charging function: Yes
Integrated power strips: 4 power strips with each 9 sockets, each rated at 230 V
Max. energy density (kWh): 12
Max. energy density per charging level (kWh): 1.5
Place of deployment: Indoor area
Shelves: 6
Stacking feet / rolls: With stacking feet
Version: Basic, Premium

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FAQ

Standard security cabinets are designed for indoor use, so they cannot be used outdoors.
The fire protection panels installed in the cabinets contain gypsum, which contains a lot of water, which expands when frozen. This deforms the panels. It can no longer be guaranteed that such a cabinet is still sealed or can withstand an explosion.

If you already have a suitable room that is structurally fire-resistant, then you do not necessarily need a safety cabinet to contain the fire.

However, please do not forget that the damage caused by a battery fire involves immense and also toxic contamination, the disposal of which can quickly lead to high costs.

In addition, you may not be able to continue working as usual until the damage has been finally repaired - depending on the location of the damage.

Standard security cabinets are designed for indoor use, so they cannot be used outdoors.
The fire protection panels installed in the cabinets contain gypsum, which contains a lot of water, which expands when frozen. This deforms the panels. It can no longer be guaranteed that such a cabinet is still sealed or can withstand an explosion.

If you already have a suitable room that is structurally fire-resistant, then you do not necessarily need a safety cabinet to contain the fire.

However, please do not forget that the damage caused by a battery fire involves immense and also toxic contamination, the disposal of which can quickly lead to high costs.

In addition, you may not be able to continue working as usual until the damage has been finally repaired - depending on the location of the damage.

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