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 Stock No.: 329-082Brand: RS PRO
P.O.A.
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1
RS Stock No.: 329-090Brand: RS PRO
P.O.A.
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RS Stock No.: 329-087Brand: RS PRO
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RS Stock No.: 329-093Brand: RS PRO
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RS Stock No.: 329-096Brand: RS PRO
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RS Stock No.: 329-094Brand: RS PRO
P.O.A.
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RS Stock No.: 329-085Brand: RS PRO
P.O.A.
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RS Stock No.: 329-091Brand: RS PRO
P.O.A.
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RS Stock No.: 329-088Brand: RS PRO
P.O.A.
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RS Stock No.: 329-084Brand: RS PRO
P.O.A.
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RS Pro
2
Transmitter Power Supply
Zener Barrier
Current
30V dc
Zone 2
Current
-
-40°C
90mA
24V dc
70°C
-
-
-
-40 → 70°C
P.O.A.
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1
P.O.A.
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P.O.A.
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EGP 15,997.46
EGP 15,997.46 Each (ex VAT)
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Eaton
1
Intrinsic Safety Barrier
Zener Barrier
Analogue
27V dc
ATEX
-
300Ω
-20°C
93mA
28V dc
+60°C
93mA
27 V dc
MTL7700
-20 → +60°C
EGP 27,425.69
EGP 27,425.69 Each (ex VAT)
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1
Eaton
2
Switch/Proximity Detector Interface
Galvanic Barrier
Relay
10.5V
ATEX
NAMUR Sensor, Switch
-
-20°C
14mA
20 → 35V dc
+60°C
14mA
10.5 V
MTL5500
-20 → +60°C
EGP 61,376.13
EGP 61,376.13 Each (ex VAT)
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Eaton
2
Repeater power supply
Galvanic Barrier
Current
28V
ATEX
Current
-
-20°C
-
20 → 35V dc
+60°C
-
28 V
MTL 5544
-20 → +60°C
EGP 19,649.70
EGP 19,649.70 Each (ex VAT)
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1
Eaton
1
Switch/Proximity Detector Interface
Galvanic Barrier
Relay
10.5V
ATEX
NAMUR Sensor, Switch
-
-20°C
14mA
20 → 35V dc
+60°C
14mA
10.5 V
MTL5500
-20 → +60°C
EGP 11,664.58
EGP 11,664.58 Each (ex VAT)
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1
Eaton
1
Intrinsic Safety Barrier
Zener Barrier
Digital
26V dc
ATEX
-
300Ω
-20°C
93mA
28V dc
+65°C
93mA
26 V dc
MTL7700
Maximum of +65°C
EGP 39,009.81
EGP 39,009.81 Each (ex VAT)
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1
Eaton
1
Repeater power supply
Galvanic Barrier
Current
28V
ATEX
Current
-
-20°C
93mA
20 → 35V dc
+60°C
93mA
28 V
MTL5500
-20 → +60°C
EGP 18,836.54
EGP 18,836.54 Each (ex VAT)
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1
Eaton
2
Intrinsic Safety Barrier
Zener Barrier
-
8.4V
ATEX
-
90Ω
-20°C
100mA
14V dc
+60°C
100mA
8.4 V
MTL7700
-20 → +60°C
...