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Littelfuse SE-330HV-25-00 NGR Mon Hv 48vdc Dual Sc Fbr K4 No
Normally In Stock
Code: 565669
Littelfuse SE-330HV-25-00 - SE-330HV Series – Neutral-Grounding-Resistor Monitor Series - 28-52 Volt, 36-72 Volt (DC)
Condition: New
Usually ships Same Day or Next Day$8478.98
Sale Price
$7065.82
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Description
Littelfuse SE-330HV-25-00 is a conformally coated relay device designed for resistance grounded AC systems. It features 2 Form A and 2 Form C relay contacts with fail-safe/non-fail-safe operation. It supports IEEE Device Numbers 50G, 50N, 51G, 51N, 59N, and 86. With a reset option of front-panel switch or remote N.O. contact, it provides standard harmonic filtering and has a wide range of supply voltage options. It offers auto manual reset and supports USB and Ethernet communication. The RF trip level ranges from 100 to 10000 V for systems up to 35 kV and 200 to 20000 V for 72 kV systems. This updated version is available now, while the older version is no longer available.
Specifications
Manufacturer
Littelfuse
Component
Neutral Grounding Resistor Monitor
Coil Voltage Rating
28-52 Volt
Coil Voltage Rating
36-72 Volt (DC)
Features
Continuous NGR monitoring
Shorted NGR detection
Ground-fault detection
Adjustable pickup (2–100 %)
Adjustable time delay (0.1–10 s)
Universal CT compatibility
Programmable output contacts
Selectable contact operating mode
Analog output (4–20 mA)
Pulsing output (SE-330 only)
Detects resistor failure within seconds, reduces transient-overvoltage risk, removes risk of ground-fault detection failure
Detects a ground fault on the neutral that could bypass the resistor, ensures fault current is not higher than expected
Main or backup protection to detect a ground fault anywhere on the monitored system
Select greatest sensitivity without false operation, adjustable in 1 % increments
Adjustable trip delay allows quick protection and system coordination
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Code: 565669
Littelfuse SE-330HV-25-00 NGR Mon Hv 48vdc Dual Sc Fbr K4 No
$8478.98
Sale Price
$7065.82