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Littelfuse SE-330HV-21-00 NGR Monitor Hv Lvps Devicenet
Normally In Stock
Code: 565663
Littelfuse SE-330HV-21-00 - SE-330HV Series – Neutral-Grounding-Resistor Monitor Series - 28-52 Volt, 36-72 Volt (DC)
Condition: New
Usually ships Same Day or Next Day$8733.36
Sale Price
$7277.80
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Description
Littelfuse SE-330HV-21-00 is a conformally coated relay with 2 Form A and 2 Form C relay contacts. It operates in fail-safe or non-fail-safe mode and is suitable for resistance grounded AC systems. It has a supply voltage range of 28-52V AC and 36-72V DC. The device supports front-panel and remote N.O. contact reset. It offers standard harmonic filtering and features USB and DeviceNet communications. The GF trip time ranges from 0.1-10.0s and the RF trip level ranges from 2-100% of CT-Primary Rating.
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: 565663
Littelfuse SE-330HV-21-00 NGR Monitor Hv Lvps Devicenet
$8733.36
Sale Price
$7277.80