UL891 Low Voltage Switchboard

UL891 Low Voltage Switchboard

FE-Certified Power Solutions | Schneider Electric Gold Partner
UL891 Certification in Progress (Target Completion: Q2 2025)


Switchboards can be custom designed or utilize a standard configuration to meet specifc dimensional and electrical requirements. They can include fully integrated component options from leading manufacturers, including automatic transfer switches, SPD, distribution transformers, and PLC or relay based transfer schemes, Automation, Metering and Monitoring. Circuit breakers and fusible switches can be group or individually mounted. Indoor and outdoor enclosures are available in a wide range of durable color fnishes.

Features and Benefits

  • Full Customization and Design Flexibility
  • Indoor and Outdoor Applications
  • Component and Metering Selection Options
  • Fully Rated Bus Based on Density Ratings
  • UL or CSA Listed; Meets ANSI, IEEE,and NEMA Standards

Configurations

Resources

Core Advantages

1. Safety & Reliability

  • FE-Certified Arc Protection: Lab-validated arc fault containment in <20ms via 45° venting channels.

  • NEMA 3R Outdoor Durability: Optional stainless steel enclosures (IP54 certified, 2000hr salt spray tested).

  • Smart Monitoring Prep: Pre-wired CT/VT terminals for Schneider PowerLogic™ integration.

2. Energy-Efficient Design

  • 40% Space Savings: Compact 32" depth vs. industry-standard 55".

  • 15% Lower Annual Losses: Tin-plated aluminum busbars (resistivity ≤0.028μΩ·m).

  • Seismic Resilience: 8.0g vibration tested (per IEEE 693 guidelines).



Certification Roadmap

UL891 Certification Timeline

  • 2024 Q2: FE Certification (material traceability & structural safety).

  • 2024 Q4: UL pre-test passed (65kA/1s short-circuit withstand).

  • 2025 Q1: Full test data submission.

  • 2025 Q2: Expected UL891 final certification.


Key Specifications

Parameter    Range
Rated Voltage     600V AC / 250V DC
Bus Capacity     400A–12,000A
Short-Circuit Withstand     200kA@480V (UL891 target)
Enclosure Type     NEMA 1/3R (Indoor/Outdoor)
Lead Time     FE-Certified: 6 weeks

Applications

Data Centers

  • Dual-power ATS configuration.

  • High-density 84-circuit distribution (single cabinet).

Oil & Gas

  • Explosion-proof options (UL 1203 compliant).

  • C5-M industrial-grade corrosion-resistant coating.

Commercial Buildings

  • Pre-installed meter compartments (ANSI C12.20 ready).

  • Custom color matching (RAL palette available).


Why Fateng Electric?

  • Rapid Response: 24/7 support from dual R&D hubs (Shanghai + Yancheng).

  • Warranty Assurance: 1-year warranty for FE models, auto-upgraded to 3 years post-UL certification.

  • Global Service: 48hr emergency response.


Legal Disclaimer

*FE Certification reflects factory quality control evaluation, not equivalent to third-party UL/CSA certification. UL891 test data under review. Final specifications subject to certification approval. Product appearance/parameters may adjust per certification requirements.*