Pepperl+Fuchs Z779.H.F Zener Barrier
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Zener Barrier An intrinsic safety Zener barrier designed for explosion-proof signal protection in hazardous areas. Ideal for measurement and supply circuits in industrial automation and process control systems.
AreaAutomationBarrierDINExplosionHazardousIndustrialIntrinsicisolationModulePepperl+FuchsProofProtectionrailSafetySignalZ-SystemZener
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| Part No. | 072177 |
| Serial No. | 40000170839481 |
| Family | Z-SYSTEM |
| Supply | Safety Parameters |
| Nominal Resistance 240 Ohm Voltage | 28 V |
| Current | 120 mA |
| Power | 830 mW |
| Maximum Safe Voltage (Um) | 250 V |
| Series Resistance | max. 273 Ohm |
| Fuse Rating | 50 mA |
| Connection | Terminals 1, 2; 3, 4 |
| Supply Loop | max. 27 V |
| Measurement Loop | max. 26.5 V at 10 µA |
| Ambient Temperature | -20 / +60 °C |
| Degree of Protection | IP20 |
| Connection Type | Screw Terminals |
| Core Cross Section | max. 2 × 2.5 mm² |
| Dimensions | 12.5 x 115 x 116 mm |
| Construction Type | Modular Terminal Housing |
| Mounting | 35 mm DIN Rail (EN 60715:2001) |
| Explosion Proof | Yes |
| Stock Key | CH001 |
| Condition | New |
