YOKOGAWA ProSafe-RS

1. Explosion Protection Instrumentation
1-5
TI 32S01J30-01E
ProSafe-RS/ProSafe-RS Lite Ex “ec”/Type “n” compliant equipment(24 V DC supplied model)
can be installed in Zone 2 by mounting in a keyed metal cabinet with protection rating of IP54 or
higher.
Zone 1 Zone 2Zone 0
Intrinsic safety
device
Intrinsic safety
device
SNU
Intrinsic safety
device
F010302E.ai
Ex "ec"
Type “n”
device
*1
Safety
Barrier
Safety
Barrier
Safety
Barrier
*1
*1
*1
*1 *1
*1
Flameproof
device
*1
*1: Explosion-proof wiring that is dened in IEC/EN 60079-14 or the rules/standards of each country or region.
Figure Ex “ec”/Type “n” (Installation in Zone 2)
Dec 3, 2021-00