Zener & Galvanic Barriers

  • Zener and galvanic barriers are two types of electrical protection devices used in hazardous or explosive environments to prevent the ignition of flammable gases, vapours, or dust. These barriers are commonly employed in industrial settings such as oil refineries, chemical plants, and mining operations.

    What are Zener Barriers?

    A Zener barrier is an intrinsically safe device used to...

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RS Pro
1
Isolated Driver
Zener Barrier
Analogue
30V dc
-
SIL 2
Current
-
70°C
35mA
-40°C
24V dc
93mA
25.9V
-
-40 → 70°C

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RS Pro
1
Loop Powered Digital Output Drive
Zener Barrier
Digital
30V dc
-
SIL 3
Voltage
-
70°C
55mA
-40°C
24V dc
146mA
25.2V
-
-40 → 70°C

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RS Pro
1
Switch/Proximity Relay-Out Repeater
Zener Barrier
Voltage
30V dc
-
SIL 2
Digital
-
70°C
18mA
-40°C
24V dc
22mA
10.5V
-
-40 → 70°C

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RS Pro
1
Switch/Proximity Relay-Out Repeater
Galvanic Barrier
Voltage
30V dc
-
SIL 3
Digital
-
70°C
18mA
-40°C
24V dc
22mA
10.5V
-
-40 → 70°C

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RS Pro
1
Temperature Converter, Trip Amplifier
Zener Barrier
Voltage
30V dc
RS485
SIL 2
Temperature
-
70°C
72mA
-40°C
24V dc
23mA
7.2V
-
-40 → 70°C

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RS Pro
1
Transmitter Power Supply
Zener Barrier
Current
30V dc
-
SIL 3
Current
-
70°C
45mA
-40°C
24V dc
128mA
30V
-
-40 → 70°C

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RS Pro
1
Vibration Trasducer Interface
Zener Barrier
Voltage
30V dc
-
SIL 2
Voltage
-
70°C
90mA
-40°C
24V dc
-
-
-
-40 → 70°C

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RS Pro
2
Switch/Proximity Relay-Out Repeater
Zener Barrier
Voltage
30V dc
-
SIL 2
Digital
-
70°C
35mA
-40°C
24V dc
22mA
10.5V
-
-40 → 70°C

P.O.A.

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RS Pro
2
Switch/Proximity Relay-Out Repeater
Zener Barrier
Voltage
30V dc
-
SIL 3
Digital
-
70°C
35mA
-40°C
24V dc
22mA
10.5V
-
-40 → 70°C

P.O.A.

Add to basket
RS Pro
2
Transmitter Power Supply
Zener Barrier
Current
30V dc
-
SIL 3
Analog
-
70°C
90mA
-40°C
24V dc
-
-
-
-40 → 70°C