Product Overview
SAI's UL 891 Series 3 Compartmentalized Switchboard combines the compact advantages of a switchboard with the enhanced segregation and accessibility typically associated with low-voltage switchgear. Designed for critical power distribution applications, it features compartmentalized construction, insulated-case breaker options, and flexible access arrangements to maximize reliability, maintainability, and system performance.
Technical Specifications
- Voltage: Up to 600VAC
- Ampacity: Up to 6000A
- Short-Circuit Rating: Up to 200kAIC
- Breaker Types:
- Insulated Case Circuit Breakers (ICCBs)
- Fixed Mounted or Draw-Out Configurations
- Compatible with all major manufacturers
- Construction:
- UL 891 Compartmentalized Switchboard with isolation barriers
- Access Options: Front access or front-and-rear access
- Cable Entry: Top or bottom
- Enclosure Options: NEMA 1 and NEMA 3R
- Optional Features:
- Power Quality Meter (PQM)
- Power Meter (PM)
- Infrared (IR) Inspection Windows
- Seismic Certification:
- Tested and certified to IBC 2015 and CBC 2016 with component importance factor of 1.5
- Finish Options: Standard and custom colors available at no extra cost
- Build America Buy America (BABA) Compliant
Benefits
☑ UL Approved
☑ Compartmentalized construction
☑ Fixed or draw-out insulated-case breakers
☑ Front/rear access and monitoring options
Compartmentalized Construction
Isolation barriers separate breaker and bus sections to improve fault containment and system reliability.
High-Capacity Distribution Platform
Supports ratings up to 6000A, 1000V, and 200kAIC for demanding industrial and mission-critical applications.
Flexible Breaker Architecture
Accommodates fixed-mounted and draw-out ICCBs from major manufacturers for application-specific protection schemes.
Enhanced Maintainability
Segregated compartments and optional front/rear access simplify inspection, testing, and maintenance activities.
Advanced Monitoring Options
Supports integration of PQMs, power meters, and IR inspection windows for improved system diagnostics and asset management.
Seismic-Qualified Design
Certified to IBC 2015 and CBC 2016 requirements for critical infrastructure and essential facilities.