Khe Cách Ly An Toàn Model PWX, EDS13-18b

 Explosion-proof structure:
    Intrinsic safety explosion-proof

Applicable gas:  FCX transmitter gas (3aG4)
    Opt ical swi tch signal conver ter gas
(3aG4 and 2G4)
    Optical repeater gas (3aG4 and 2G4)
    Optical fiber type multi-point tempera-
ture converter gas (3aG4 and 2G4)
    FCX-AII, AIII series transmitter (Ex ia
IICT4)

Safety hold rating:
    250V AC and 250V DC

Combination instrument:
FCX Series transmitter, optical repeater,
optical switch signal converter, opti -
cal fiber type multi-point temperature
converter (Inspection guarantee No. of
safety barrier should be attached to in-
strument)
    FCX-AII, AIII series transmitter (Device
Certification)

Ambient temperature of combination instrument:
    60˚C or less

Modification of combination instrument:
     Modification is prohibited (unit can be
replaced).

Grounding:  Class A grounding

Mounting method:
    Safety barrier should be instal led in
non-hazardous area using the supplied
clip screw.

Terminal structure:
    Input/output terminal; rod type plug-in
system [up to 4mm2
(12AWG)]
    Earth; M4 screw terminal (with nut)

Rated operating voltage:
     25.8V DC ±0.5%

Total resistance:  Terminal 1 to 3 ... 340Ω
               Terminal 2 to 4... [0.9V+20Ω] or short

Intrinsic safety max. voltage: 28V

Intrinsic safety max. current: 93mA

Fuse:  50mA

Explosion-proof structure:
    Intrinsic safety explosion-proof

Allowable common mode voltage:
    AC 0.5Vrms

Error:  0.01% or less

Ambient temperature:
    5 to 95% RH

Error:  0.01% or less

Dimensions (H×W×D):
    61.5×93.5×14.2mm

Mass:  About 125g

Structure:  Indoor installation structure, plastic case

Code symbols
2 1 3 4 5 6 7 8

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