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Littelfuse SE-330HV-08-01 NGR Monitor Universal Dual SC Fiber 61850 NC
$4,971$5,965 (-17%)
Littelfuse SE-330HV-08-01 Neutral Grounding Resistor (NGR) Monitor — 65–275 V supply with IEC 61850 and 4–20 mA analog output. Genuine Littelfuse protection relay, conformally coated, available for fast delivery from Batam throughout Indonesia and Southeast Asia.
The Littelfuse SE-330HV-08-01 is a conformally coated Neutral Grounding Resistor (NGR) monitor and protection relay designed for resistance-grounded AC systems. Rated for a wide supply range (65–275 V), it provides continuous NGR and ground-fault detection with analog 4–20 mA output and IEC 61850/USB communications. Ideal for substations, industrial power distribution and motor control centres that require reliable NGR monitoring and coordinated protection.
Key Features
- Continuous NGR monitoring with shorted-resistor detection to prevent hidden neutral faults.
- Adjustable sensitivity (2–100 %) and adjustable trip delay (0.1–10 s) for secure coordination.
- Analog 4–20 mA output plus programmable/pulsing outputs and selectable contact operating modes.
- IEC 61850 communications and USB interface for integration with protection & SCADA systems.
- Front-panel switch or remote N.O. contact reset; selectable fail-safe or non-fail-safe operation.
- Universal CT compatibility and conformal coating for harsh electrical environments.
Technical Specifications
| Manufacturer | Littelfuse |
|---|---|
| Commercial Reference | SE-330HV-08-01 |
| Component | Neutral Grounding Resistor Monitor |
| Supply Voltage | 65–275 V (AC/DC) |
| Communications | IEC 61850, USB |
| Analog Output | 4–20 mA |
| Trip / Outputs | Programmable contacts, pulsing output, RF trip |
| Detection Functions | Continuous NGR monitoring, shorted NGR detection, ground-fault detection |
| Adjustable Settings | Pickup 2–100 %, Time delay 0.1–10 s |
| Reset Options | Front-panel switch or remote N.O. contact |
| CT Compatibility | Universal CT compatible |
| Protective Coating | Conformal coating for harsh environments |
Applications
Used for neutral grounding protection in substations, distribution networks and industrial plants; as main or backup NGR protection in transformer and generator systems; and for monitoring neutral resistor health in mining, petrochemical and utility installations.
We supply genuine Littelfuse products through authorized channels from our Batam base with fast delivery across Indonesia and Southeast Asia. Contact us for competitive lead times and request a quotation today to secure your SE-330HV-08-01 NGR monitor.
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