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Littelfuse SE-330-21-01 NGR Monitor NC 48-VDC D-Net
Normally In Stock
Code: 565600
Littelfuse SE-330-21-01 - SE-330 Series – Neutral-Grounding-Resistor Monitor Series - 28-52 Volt, 36-72 Volt (DC)
Condition: New
Usually ships Same Day or Next Day$8648.59
Sale Price
$7207.16
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Description
Littelfuse SE-330-21-01 is a versatile product ideal for resistance grounded AC systems. It offers fail-safe and non-fail-safe relay contact operation with multiple contact configurations. It is equipped with front-panel and remote reset options. The device provides standard harmonic filtering and is conformally coated for added durability. It has a wide supply voltage range and offers both latching and autoreset options. It also features various communication options, including USB and DeviceNet. Additionally, it provides reliable ground fault protection with adjustable trip levels and trip times.
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: 565600
Littelfuse SE-330-21-01 NGR Monitor NC 48-VDC D-Net
$8648.59
Sale Price
$7207.16