- About
- Description
- Specifications
- Features
- Downloads
- Shipping



Images are for illustration only and may not reflect the actual product. Refer to the description or specs.
Littelfuse SE-325T NGR Monitor 120 VAC Gf Time 0.1-5 S
Normally In Stock
Code: 565580
Littelfuse SE-325T - SE-325 Series – Neutral-Grounding-Resistor Monitor Series - 120 Volt
Condition: New
Usually ships Same Day or Next Day$2682.95
Sale Price
$2235.79
Tariff Status
Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.
Need a large quantity or a custom solution?
Add this product to your job, favorites list or request a quick quote for volume pricing and lead time information. Our team is ready to assist with any special requirements.
Description
Littelfuse SE-325T is a conformally coated relay with 1 Form A contacts. It operates as either fail-safe or non-fail-safe. It is designed for resistance grounded AC systems with a supply voltage of 120V. It has a reset option of either front-panel switch or remote kit. It provides standard harmonic filtering and is compatible with IEEE device numbers 50G, 50N, 51G, 51N, 59N, and 86. The ground fault (GF) trip time ranges from 0.1 to 5.0 seconds and the trip level ranges from 0.5 to 4.0A. The radio frequency (RF) trip time is 5 seconds, and the trip level is 20-400V for systems up to 5kV, and 100-2000V for systems over 5kV.
Specifications
Manufacturer
Littelfuse
Coil Voltage Rating
120 Volt
Component
Neutral Grounding Resistor Monitor
Features
Continuous NGR monitoring
Ground-fault detection
Adjustable pickup (0.5–4 A)
Adjustable time delay (0.1–2 s)
Output contacts
Selectable contact operating mode
Downloads

Code: 565580
Littelfuse SE-325T NGR Monitor 120 VAC Gf Time 0.1-5 S
$2682.95
Sale Price
$2235.79