- Home
- Product
- Electrical Solutions
- NJR Neutral Grounding Resistor
NJR Neutral Grounding Resistor
- Home
- /
- Products
- /
- Electrical solutions
- /
- NJR Neutral Grounding Resistor
NJR Neutral Grounding Resistor
Product Catalogue
The FNGR11kV-300A-21.1Ω Neutral Grounding Resistor (NGR) is designed to protect high-voltage power systems by limiting ground fault current, ensuring system stability, equipment protection, and operator safety. Built with stainless steel resistor elements and a hot-dip galvanized enclosure, it offers durability and long service life.
Key Features:
- Rated Voltage: 11/√3 kV
- Rated Current: 300A (30s), 30A continuous
- Resistance Value: 21.1Ω ±5%
- Short-Time Current: 300A for 30 seconds
- Ingress Protection: IP23 (indoor use)
- Withstand Voltage: 42kV/1min, 75kV impulse
- Service Life: 20 years
- Construction: Stainless Steel 304 resistor, RAL7035 galvanized enclosure
Applications:
Power plants & substations
Safeguards transformers, generators, and switchgear from ground fault damage.
Industrial power distribution systems
Maintains reliable operation of heavy-duty electrical networks.
High-voltage electrical networks
Prevents system instability and minimizes downtime during faults.
Fault current protection & grounding safety
Provides controlled fault limitation to protect assets and enhance personnel safety.