Ready-made, EExi/ATEX-certified high-grade steel housings and the CB220 Compact Box for assembly in the field provide a wide range of installation options.
Field housings – for wall-mounting in the case of installation in Zone1 with a system approval fully certified in accordance with ATEX. The stainless steel field housing is ready-wired and prepared
for wall-mounting. In addition, screen rails or terminals can be mounted. Together with the field housing, this brings the following advantages:
- Complete design, heat compensation, and documentation by ABB
- Elimination of additional marshalling units
- Thanks to the S900 modules, no external barriers are needed for the field circuits
- Simplified acceptance of the plant with regard to hazardous areas
CB220 compact box – S900 remote I/O in compact form with up to 4 I/O modules for decentralized use in a compact housing. This variant is suitable, for example, for use in applications such as temperature multiplexers and solenoid controls. The CB220 compact box additionally offers the following advantages:
- Compact design
- Easy field assembly
- Decentralized assembly makes it possible to cut down on wiring