GEORGIN Double Zener Barrier, Process Signal: Thermocouple, ATEX

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SGD242.58

(exc. GST)

SGD264.41

(inc. GST)

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RS Stock No.:
230-9454
Mfr. Part No.:
BZG760AC
Manufacturer:
GEORGIN
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Brand

GEORGIN

Product Type

Double Zener Barrier

Number of Channels

1

Barrier Type

Zener Barrier

Mount Type

DIN Rail

Hazardous Area Certification

ATEX

Terminal Type

Screw

Supply Voltage

4.6V

IP Rating

IP20

Maximum Safety Voltage

5.64V

Maximum Safety Current

221.05mA

Signal Type

Process Signal: Thermocouple

Minimum Operating Temperature

-20°C

Maximum Operating Temperature

60°C

Standards/Approvals

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 D.B.T. NFC 15-100 SIL EN 61508

Series

BZG

COO (Country of Origin):
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 thermocouples

Polyester enclosure / DIN Rail mounting

For floating potential wiring

3/4: U0=5.64V I0=63.1mA P0=88.89mW

2/3: Ua=4.6V Ifm=100mA RL=50.6ohm

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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