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Littelfuse SE-330HV-20-01 NGR Monitor Hv Lvps NC K4
Normally In Stock
Code: 565662
Littelfuse SE-330HV-20-01 - SE-330HV Series – Neutral-Grounding-Resistor Monitor Series - 28-52 Volt, 36-72 Volt (DC)
Condition: New
Usually ships Same Day or Next Day$6385.31
Sale Price
$5321.09
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Description
Littelfuse SE-330HV-20-01 is a versatile protective relay designed for resistance grounded AC systems. It has a wide range of relay contact configurations and reset options, as well as built-in harmonic filtering and communication capabilities. With a supply voltage range of 28-52V AC and 36-72V DC, it is suitable for various applications. The relay offers fail-safe and non-fail-safe operation, and conforms to IEEE device numbers 50G, 50N, 51G, 51N, 59N, and 86. It also has a selectable GF trip level range of 2-100% of CT-Primary Rating and a quick RF trip time of 12s. The SE-330HV-20-01 is available with a USB interface and supports analog output current in the range of 4-20mA. Additionally, it includes a front-panel switch and a remote N.O. contact for reset control.
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: 565662
Littelfuse SE-330HV-20-01 NGR Monitor Hv Lvps NC K4
$6385.31
Sale Price
$5321.09