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Safety barriers0 pages
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| Safety barriers | ||||||||||||||||||||||||||||||||||||||||||||||||
| Model 9002 Explosion protection | ||||||||||||||||||||||||||||||||||||||||||||||||
| Basic functions | ||||||||||||||||||||||||||||||||||||||||||||||||
| 2 channels Usable with Level Controller S-NR 01 and S-RN 01 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Exchangeable back-up fuse for all safety barriers Օ Snap-on mounting on rails: simultaneous connection to potential equalisation / ground Short-circuit-proof Օ Certifications of all important environments are available EMC tested, CE marking | ||||||||||||||||||||||||||||||||||||||||||||||||
| Technic^a^ Dimensions: Housing: Protection: (acc. to IEC 529) Signal connection: PA connection: | ||||||||||||||||||||||||||||||||||||||||||||||||
| L 104 x B 12,2 x H 70mm Polyamide 6GF, quick install onto standard DIN rail to DIN EN 50022 Housing IP40 / Terminal IP20 with captive, touch protected screws 4 cage terminals: each max. 1,5mm2 flexible / solid top hat rail by snapping in, 2 terminals, each max. 4mm2 flexible / solid EXII (1/2) G EExia/ib IIB/IIC ExII3G EExnAIIT4 | Transfer capabilities: Օ Leakage current with UN: 1uA | |||||||||||||||||||||||||||||||||||||||||||||||
| Temperature effect: Օ Frequency Limit: | 0,25% / 10K 50 kHz (with resistive current limitation Im < 50 mA) 100 kHz (with resistive current limitation Im > 50 mA) 10 kHz (electronic current limitation) PTB ATEX 2053 / 2054, FM, L, CSA, SA, FTCU, SEV, BKI, PROCHEM, VNIIEF | |||||||||||||||||||||||||||||||||||||||||||||||
| Certificates: | ||||||||||||||||||||||||||||||||||||||||||||||||
| Designation | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Safety-related values Function-related values UZ max. output voltage UN rated operating voltage Im max. short-circuit current IN rated current Pm max. output power R end to end resistance | ||||||||||||||||||||||||||||||||||||||||||||||||
| General | Selection | |||||||||||||||||||||||||||||||||||||||||||||||
| Safety barriers are used as separator circuits without galvanic separation between intrinsically safe and not intrinsically safe electric circuits. Through the integration of a safety barrier, it is possible to install level probes inside hazardous areas (zone 2). The safety barrier as well as the level controller must be mounted outside hazardous areas. | The safety barriers provide 2 channels. Each probe will require its own channel. Probe with 2 electrodes -> 1 x Type 9002/77-280-094-00 Probe with 3 electrodes -> 2 x Type 9002/22-240-024-00 | |||||||||||||||||||||||||||||||||||||||||||||||
