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Littelfuse SE-330AU-21-00 Neutral-Earthing-Res Mon 48vdc Devicenet
Normally In Stock
Code: 565631
Littelfuse SE-330AU-21-00 - SE-330AU Series – Neutral-Earthing-Resistor Monitor Series - 28-52 Volt, 36-72 Volt (DC)
Condition: New
Usually ships Same Day or Next Day$9261.28
Sale Price
$7717.73
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Description
Littelfuse SE-330AU-21-00 is a conformally coated relay with 2 Form A and 2 Form C contacts. It operates in a fail-safe manner and is suitable for resistance grounded AC systems. The device is equipped with front-panel and remote N.O. contact reset options and offers standard harmonic filtering. It supports supply voltages of 28-52VAC and 36-72VDC. Communication options include USB and DeviceNet. The GF trip time is 0.1-0.5s, with a trip level of 0.125-30.0A for RF systems up to 5kV, and 20-2000V for systems over 5kV. The RF trip time is 12s.
Specifications
Manufacturer
Littelfuse
Component
Neutral Grounding Resistor Monitor
Coil Voltage Rating
28-52 Volt
Coil Voltage Rating
36-72 Volt (DC)
Features
The SE-330AU series is an advanced earth-fault and earthing-resistor monitoring relay for low- and medium-voltage transformers and generators. It monitors neutral current, neutral-to-earth voltage, and neutral-to-earth resistance. It provides continuous monitoring of the neutral-to-earth path to verify that the neutral-earthing resistor (NER) is intact. An open NER renders current-sensing, earth-fault protection inoperative and could result in a false belief that the system is functioning properly.
Downloads
Code: 565631
Littelfuse SE-330AU-21-00 Neutral-Earthing-Res Mon 48vdc Devicenet
$9261.28
Sale Price
$7717.73