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Obsolete: 01/02/2018 - The SE-145 is a three-channel, microprocessor-based, combination ground-wire monitor and ground-fault relay for resistance-grounded or solidly grounded systems. It continuously monitors the integrity of the ground wire to protect portable equipment from hazardous voltages caused by ground faults. The SE-145 is designed for use on three-way splitter box applications.
COMPUTER TO RELAY CONNECTIONConnect the SE-145 to the network using a standard Ethernet patch cable. Use of a crossover cable to connect the SE-145 directly to the computer running SE-MON-GFGC is not recommended. A typical router will assign an IP address to all connected computers that are using DHCP. The SE-145 does not support the use of DHCP. If the SE-145 is being set-up for first time, it is recommended to only have one SE-145 connected to the network to prevent communication errors.
- Adjustable pickup (0.5-12.5 A)
- Adjustable time delay (1-2.5 s)
- Output contacts
- Ground-check LED indication
- CT-Loop monitoring
- High-induced-ac rejection
- DFT (harmonic) filter
- Zener-characteristic termination assembly
- Fail-safe circuits
- Conformal coating
- Unit can be used on a wide variety of trailing cable applications
- Adjustable trip delay for quick protection and system coordination
- Separate annunciation of ground-fault and groundcheck faults
- Indication of open or short ground-check wire makes it easier to find faults
- Alarms when CT is not connected
- Makes unit suitable for applications with high voltages and long cables
- Prevents false operation
- Provides reliable ground-check loop verification
- Ensures ground-check and ground-fault circuits remain safe even in the event of equipment failure
- Additional coating protects circuit boards against harsh environment
SE-145 Parts
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