Zenner Barrier
Gent 764746 Z779 Zener Barrier for IS Alarms
- Type
- Z779 Zener Barrier to drive IS alarms
- Model
- Z779
Overview
What it is and how it fits the system.
The 764746 is the Gent Z779 Zener Barrier, used to drive Intrinsically Safe (IS) alarms with the S4 Mains Powered Interface Unit. It is listed among the intrinsically safe and relay products for IS alarm circuits. A dedicated barrier for protecting intrinsically safe alarm outputs.
Technical overview
Order code 764746 identifies the Z779 Zener Barrier, an Intrinsically Safe product used to drive Intrinsically Safe (IS) alarms. It is documented among the Intrinsically Safe and relay products covered by the S4 Mains powered interface unit, where its type reference is given as Z779. Beyond this role and reference, published data does not state the barrier's dimensions, weight, mounting, or enclosure, nor any electrical rating, Intrinsically Safe entity parameter, approval, ingress-protection rating, or operating temperature for the barrier itself, since the electrical and approval data in that source apply to the S4 interface unit.
Specifications
Full technical data for this part.
| Order code | 764746 |
|---|---|
| Type | Z779 Zener Barrier to drive IS alarms |
| Model | Z779 |
Specifications sourced from manufacturer documentation.
Specifications per manufacturer documentation, subject to change — E&OE. Spotted an inaccuracy? Let us know
Optional accessories
Optional additions — this product works without them.
Banshee Excel IS28 MK6 ATEX approved sounder (No EN54-3 approval) Monitored
Listed alongside related IS products: 764744 Z969 Zener Barrier for IS detectors, 803271.E
Intrinsically Safe Heat Detector (Rate of Rise) - Please use base 805590.
Listed alongside related IS products: 764744 Z969 Zener Barrier for IS detectors, 803271.E
Intrinsically Safe Optical Smoke Detector - Please use base 805590.
Listed alongside related IS products: 764744 Z969 Zener Barrier for IS detectors, 803271.E
Intrinsically Safe Dual Angle Optical Heat Detector - Please use base 805590.
Listed alongside related IS products: 764744 Z969 Zener Barrier for IS detectors, 803271.E
Detector Base. Can be used for ES Conventional and Intrinsically safe detection.
Listed alongside related IS products: 764744 Z969 Zener Barrier for IS detectors, 803271.E
Z-System Zener barrier for intrinsically safe detectors
Listed alongside related IS products: 764744 Z969 Zener Barrier for IS detectors, 803271.E
Heat Sensor Rate Of Rise
Listed alongside related IS products: 764744 Z969 Zener Barrier for IS detectors, 803271.E
Dual Optical Heat Smoke sensor
Listed alongside related IS products: 764744 Z969 Zener Barrier for IS detectors, 803271.E
Optical Sensor (Compatible device with radio base)
Listed alongside related IS products: 764744 Z969 Zener Barrier for IS detectors, 803271.E
Relay 24V DC Base & Diode
compatible / works with: Relay 24V DC Base & Diode
Datasheets & documents
Reference downloads.
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