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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BD 131.951

BD 131.951 Each (Exc. Vat)

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

BD 93.782

BD 93.782 Each (Exc. Vat)

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

BD 74.693

BD 74.693 Each (Exc. Vat)

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

BD 85.051

BD 85.051 Each (Exc. Vat)

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

BD 286.244

BD 286.244 Each (Exc. Vat)

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

BD 113.951

BD 113.951 Each (Exc. Vat)

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

BD 213.728

BD 213.728 Each (Exc. Vat)

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

BD 100.327

BD 100.327 Each (Exc. Vat)

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

BD 118.864

BD 118.864 Each (Exc. Vat)

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

BD 197.375

BD 197.375 Each (Exc. Vat)

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

P.O.A.

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Phoenix Contact
1
Power Supply Repeater
-
Current
30V dc
-
ATEX
Current
-
-
-
-
-
-
-
-
-
Eaton 1 Channel Zener Barrier, Intrinsic Safety Barrier, Analogue Output, ATEX
RS Stock No.: 612-5335Brand: EatonManufacturers Part No.: MTL7787+/RS

BD 98.100

BD 98.100 Each (Exc. Vat)

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Eaton
1
Intrinsic Safety Barrier
Zener Barrier
Analogue
27V dc
-
ATEX
-
300Ω
93mA
28V dc
-20°C
+60°C
93mA
27 V dc
MTL7700
-20 → +60°C
Eaton 2 Channel Zener Barrier, Switch/Proximity Detector Interface, NAMUR Sensor, Switch Input, Relay Output, ATEX
RS Stock No.: 703-7040Brand: EatonManufacturers Part No.: MTL5516C/RS

BD 168.681

BD 168.681 Each (Exc. Vat)

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Eaton
2
Switch/Proximity Detector Interface
Galvanic Barrier
Relay
10.5V
-
ATEX
NAMUR Sensor, Switch
-
14mA
20 → 35V dc
-20°C
+60°C
14mA
10.5 V
MTL5500
-20 → +60°C
Eaton 2 Channel Zener Barrier, Repeater power supply, Current Input, Current Output, ATEX
RS Stock No.: 703-7065Brand: EatonManufacturers Part No.: MTL5544/RS

BD 378.996

BD 378.996 Each (Exc. Vat)

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Eaton
2
Repeater power supply
Galvanic Barrier
Current
28V
-
ATEX
Current
-
-
20 → 35V dc
-20°C
+60°C
-
28 V
MTL 5544
-20 → +60°C
Eaton 1 Channel Zener Barrier, Switch/Proximity Detector Interface, NAMUR Sensor, Switch Input, Relay Output, ATEX
RS Stock No.: 703-7043Brand: EatonManufacturers Part No.: MTL5511/RS

BD 120.685

BD 120.685 Each (Exc. Vat)

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Eaton
1
Switch/Proximity Detector Interface
Galvanic Barrier
Relay
10.5V
-
ATEX
NAMUR Sensor, Switch
-
14mA
20 → 35V dc
-20°C
+60°C
14mA
10.5 V
MTL5500
-20 → +60°C
Eaton 1 Channel Zener Barrier, Intrinsic Safety Barrier, Digital Output, ATEX
RS Stock No.: 612-5313Brand: EatonManufacturers Part No.: MTL7728+/RS

BD 71.281

BD 71.281 Each (Exc. Vat)

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Eaton
1
Intrinsic Safety Barrier
Zener Barrier
Digital
26V dc
-
ATEX
-
300Ω
93mA
28V dc
-20°C
+65°C
93mA
26 V dc
MTL7700
Maximum of +65°C
Eaton 1 Channel Zener Barrier, Repeater power supply, Current Input, Current Output, ATEX
RS Stock No.: 703-7056Brand: EatonManufacturers Part No.: MTL5541/RS

BD 240.662

BD 240.662 Each (Exc. Vat)

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Eaton
1
Repeater power supply
Galvanic Barrier
Current
28V
-
ATEX
Current
-
93mA
20 → 35V dc
-20°C
+60°C
93mA
28 V
MTL5500
-20 → +60°C
Eaton 2 Channel Zener Barrier, Intrinsic Safety Barrier, ATEX
RS Stock No.: 783-4033Brand: EatonManufacturers Part No.: MTL7761AC/RS

BD 115.742

BD 115.742 Each (Exc. Vat)

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Eaton
2
Intrinsic Safety Barrier
Zener Barrier
-
8.4V
-
ATEX
-
90Ω
100mA
14V dc
-20°C
+60°C
100mA
8.4 V
MTL7700
-20 → +60°C
Pepperl + Fuchs 1 Channel Zener Barrier, ATEX
RS Stock No.: 280-6591Brand: Pepperl + FuchsManufacturers Part No.: Z728.H

BD 58.751

BD 58.751 Each (Exc. Vat)

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Pepperl + Fuchs
1
Zener Barrier
Zener Barrier
-
250V
-
ATEX
-
250Ω
120mA
28V dc
-20°C
+60°C
120mA
250 V
-
-20 → +60°C

BD 127.038

BD 127.038 Each (Exc. Vat)

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PR Electronics
2
Pulse Isolator
Galvanic Barrier
NPN, Relay
250V ac
-
ATEX
NAMUR Sensor, Switch
-
-
19.2 → 300 V dc, 21.6 → 253V ac
-20°C
+60°C
400mA
250 V ac
5200
-20 → +60°C

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