Instruments in Zone 1: Hot Work Permit Required, Device Coupler in Zone 1

1. Trunk: protected installation according to IEC 60079-14
2. Spurs: protected installation according to IEC 60079-14
3. Instruments: flameproof Ex d, protected installation
    

Applications without requirements for live work at the instrument can use this solution. All installation requires “increased safety” Ex eb. This type of Segment Protector is certified for installation in Zone 1.