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Littelfuse SE-330-20-00 NGR Monitor 48-VDC
Normally In Stock
Code: 565597
Littelfuse SE-330-20-00 - SE-330 Series – Neutral-Grounding-Resistor Monitor Series - 28-52 Volt, 36-72 Volt (DC)
Condition: New
Usually ships Same Day or Next Day$6323.29
Sale Price
$5269.41
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Description
Littelfuse SE-330-20-00 is a versatile protective relay suitable for various applications. It features fail-safe/non fail-safe operation, 2 Form A/2 Form C relay contacts, and front-panel switch or remote N.O. contact reset. With standard conformal coating and harmonic filtering, it offers resistance grounded AC system compatibility. The relay supports a wide range of supply voltages and communication options, including USB connectivity. It also provides precise monitoring with 4-20 mA analog output current and adjustable trip levels.
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
Downloads
Code: 565597
Littelfuse SE-330-20-00 NGR Monitor 48-VDC
$6323.29
Sale Price
$5269.41