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Littelfuse SE-330HV-28-01 NGR Mon Hv 48vdc Dual Sc Fbr 61850 K4 NC
Normally In Stock
Code: 565676
Littelfuse SE-330HV-28-01 - SE-330HV Series – Neutral-Grounding-Resistor Monitor Series - 28-52 Volt, 36-72 Volt (DC)
Condition: New
Usually ships Same Day or Next Day$9079.68
Sale Price
$7566.40
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Description
Littelfuse SE-330HV-28-01 is a high-voltage relay designed for Resistance Grounded AC systems. It offers 1 Form A, 1 Form B, or 2 Form C relay contacts with fail-safe/non-fail-safe operation. The device provides harmonic filtering, front-panel or remote reset options, and support for USB and IEC61850 communication. With a wide voltage range and various trip levels, it meets the needs of different systems. The product is now available in a new revision, while the old revision is no longer offered.
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: 565676
Littelfuse SE-330HV-28-01 NGR Mon Hv 48vdc Dual Sc Fbr 61850 K4 NC
$9079.68
Sale Price
$7566.40