Feeder Protection Panels
-- Steady & Reliable Manufacturer --
Product Overview
Feeder Protection Panels are the "Frontline Guards" of a distribution system, responsible for monitoring and protecting the outgoing cables (feeders) that supply power to various buildings or factory sections. At DSJ Electrical, our feeder panels integrate advanced protection relays that provide a multi-layered defense against overcurrent, earth faults, and voltage imbalances. We utilize high-accuracy current transformers (CTs) to feed real-time data into digital relays, which can instantly trip the circuit breaker if a fault is detected. Our panels feature "Selective Coordination" logic, ensuring that only the faulted feeder is disconnected while the rest of the facility remains powered. With integrated metering for energy tracking and communication for remote SCADA access, DSJ Feeder Protection Panels are the key to a resilient, data-driven power network.
Electrical Partner
At DSJ, we transform complexity into reliability. With 42+ years of expertise in power distribution systems, our turnkey service integrates every phase – from regulatory compliance to final commissioning – ensuring seamless project execution for global clients. Whether it is the initial design or the final handover, we will strictly control every detail to ensure that the final delivered products perfectly meet your expectations. With us, you can focus on your core business with peace of mind, knowing that your project is in the hands of professional and reliable partners.
Introduction
The Feeder Protection Panel line from DSJ Electrical Co., Ltd is engineered for "Selective Reliability." We recognize that a fault on one branch circuit should never cause a total facility blackout. Our introduction of this series focuses on "Protection Sensitivity" and "Diagnostic Transparency." We provide the clear mimic diagrams and digital displays necessary for operators to identify a fault's location and cause within seconds.
Innovation at DSJ involves "Adaptive Protection." Our panels can be programmed with multiple setting groups—for example, a more sensitive setting for the night shift or a different setting when running on generator power. We prioritize "Safety and Monitoring," including integrated "Arc-Flash" sensors that can trip the breaker in under 10ms if an internal flash occurs. At DSJ, we provide these panels in various configurations, from simple radial feeder protection to complex directional protection for meshed networks. Choosing our feeder panels means choosing an "Intelligence Layer" for your distribution. We provide the "Selective Shield" that keeps your uptime high and your equipment safe.
Applications
- Industrial Production Lines: Individual protection for high-value machinery.
- Municipal Grids: Protecting underground and overhead distribution cables.
- Commercial Towers: Feeder protection for individual floors or departments.
- Renewable Energy: Protecting the collection feeders in solar/wind parks.
- Pumping Stations: Safeguarding feeders for large motor-driven pumps.
- Rail Systems: Protecting auxiliary power feeders along the trackside.
Specifications
| Technical Category | Feeder Panel Detail |
|---|---|
| Protection Functions | 50/51 (OC), 50N/51N (EF), 67 (Directional), 27/59 (UV/OV) |
| Relay Type | Numerical / Digital Protection Relay |
| Metering Accuracy | Class 0.5s or 1.0 |
| Display | LCD / LED with Fault History |
| Communication | Modbus RTU, IEC 61850, DNP3 |
| Enclosure | IP42 to IP55 (Indoor/Outdoor) |
| CT Inputs | 1A or 5A (Secondary) |
Why Choose Us
DSJ Electrical is a "Selectivity Expert." We don't just provide a panel; we provide a "Protection Study" to ensure your relay settings are perfectly coordinated with upstream and downstream devices. Our feeder panels are the brain and brawn of your branch distribution, guaranteed to perform when a fault strikes.
- Q: What is "Selective Coordination"?
- A: It is the design of protection so that only the relay closest to the fault trips.
- Q: Can these panels detect a "Ground Fault"?
- A: Yes, our panels feature highly sensitive Earth Fault protection (51N/50N) as standard.
Advantages
- Selective Tripping: Limits power outages to the smallest possible area.
- Fault Analysis: Stores "Disturbance Records" for post-event investigation.
- Integrated Metering: Combines protection and energy monitoring in one unit.
- User-Friendly HMI: Easy-to-read status and event logs for site staff.
- Rugged Construction: Designed for 25+ years of continuous service.
- Remote Ready: Connects directly to your building management or SCADA system.
Standards & Certifications
Our feeder panels are compliant with IEC 60255 (Relays) and IEC 61439-2. We hold CE and ISO 9001 certifications. Each panel is tested for "Current Injection" to verify precise relay trip times before shipment.
Payment & Shipping
Panels are shipped as fully wired cubicles, bubble-wrapped and crated. We offer sea and air freight options. Lead times: 4-7 weeks.
DSJ Story
about DSJ
Building Power, Building Trust
Founded in 1983, DSJ is a leader in China's power distribution equipment. Headquartered in Beijing as the top-selling enterprise, we integrate manufacturing with trade and maintain full in-house capabilities in R&D, production, and sales. This enables efficient fulfillment of custom orders with industry-leading speed.
As a producer of distribution system, transformer, generator and photovoltaic products exceeding Chinese/international standards, DSJ supplies medium/low-voltage electrical equipment, and PV systems. For over four decades, we have delivered high-safety electrical solutions globally to public infrastructure, corporations, and households – achieving the industry's lowest return rate.
Committed to "meeting diverse needs through quality", DSJ leverages expert teams to provide one-stop services: pre-sales consultation & customization, flexible logistics/payment options, and reliable maintenance – ensuring seamless producer-maintainer-customer collaboration.
+86 18513032986 
FLC Center, Chaoyang District, Beijing, China