GEORGIN 1 Channel Double Zener Barrier, ATEX

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RS-stocknr.:
230-9459
Fabrikantnummer:
BZG787PLUS
Fabrikant:
GEORGIN
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Merk

GEORGIN

Number of Channels

1

Product Type

Double Zener Barrier

Barrier Type

Zener Barrier

Mount Type

DIN Rail

Hazardous Area Certification

ATEX

Terminal Type

Screw

IP Rating

IP20

Supply Voltage

26.8 V

Minimum Operating Temperature

-20°C

Maximum Safety Current

89.31mA

Maximum Safety Voltage

28V

Maximum Operating Temperature

60°C

Standards/Approvals

D.B.T. NFC 15-100, SIL EN 61508 (SIL 2 or SIL 3 according to application), ATEX EN 60079-0 / EN 60079-11 / EN 60079-15 / EN 61241-11 / EN 61241-0, IECEx IEC 60079-0 / IEC 60079-11 / IEC 60079-15 / IEC 61241-11 / IEC 61241-0, C.E.M. EN 61326-1 & IEC61000-6-2

Series

BZG

Land van herkomst:
FR
Zener barriers contribute to the intrinsic safety [Ex i] and are installed in safe areas. Their mission is to limit the level of energy that may appear in an electric circuit routed through a potentially explosive area, whatever the connection established upstream of the barrier.

A barrier is made up of:

- resistors that limit the current

- Zener diodes that limit the voltage

- fuses that protect the components

When a fault voltage is applied across the input terminals of the barrier, the voltage that may appear in the explosive zone is limited by a Zener diode, which is in turn protected by a fuse.

The current is limited to an acceptable value by the resistor.

They can be installed in zone 2, thanks to the Ex nA certification in an IP 54 housing.

Zener barrier for analogic signals

Polyester enclosure / DIN Rail mounting

For floating potential wiring

3/4: U0=28V I0=89.31mA P0=625.2mW

2/3: Ua=26.8V Ifm=50mA RL=341.3ohm

Number of channels: 1

Screw terminals

ATEX / IECEx informations:

INERIS 11ATEX0024X / IECEx INE11.0009X

Group II (surface) - category (1) G/D

II(1) GD [Ex ia Ga] IIC, IIB or [Ex iaD Da] IIIC

II3(1) G Ex nA [ia Ga] IIC T4 Gc

Installation in safe zone or zone 2

For equipment installed in zone 0,1,2,20,21,22

See leaflet for a safe use

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