UL 891 + CSA C22.2 • ESA-Ready • Canada & United States

Switchboards — Heavy-Duty
Low Voltage Distribution

Custom switchboards up to 4000 A at 600 V. Built for commercial, industrial, and infrastructure applications with robust copper bus, safe maintenance clearances, and utility metering options.

UL 891ESA-ReadyUtility MeteringMain-Tie-Main
Same-Day Quotes
Price and lead time today
2-Year Warranty
Backed by our engineering team
North America Made
Built in Toronto, Ontario
Overview

Engineered for Heavy-Duty
LV Distribution

Candron switchboards are engineered for reliable low-voltage distribution in commercial, industrial, and infrastructure applications. Heavy-duty copper bus, wide maintenance clearances, and metering-ready designs built to UL 891 and CSA C22.2.

  • Up to 4000 A at 600 V
  • 11-gauge cold-rolled steel enclosures
  • C5M outdoor paint standard available
  • Front and rear accessible configurations
Candron switchboard assembly
4000 A
Max Current
600 V
Rated Voltage
UL 891
U.S. Compliance
CSA / ESA
Canadian
Types & Specifications

Switchboard Configurations

Explore our range of switchboard configurations engineered for safety, reliability, and performance.

Main Breaker Switchboards
Standard Features
  • Single-section or multi-section lineups
  • Integrated revenue metering
  • Copper bus bar — continuous, welded or bolted
  • Front or rear cable entry options
  • High short-circuit withstand capability
  • As-built drawings and test reports included
Optional Upgrades
  • +Digital power monitoring (ION / Shark meter)
  • +Surge protective device (SPD) module
  • +Infrared inspection windows
  • +Remote trip / lock-out provisions
  • +Cable management accessories
  • +Outdoor / weatherproof enclosure option
Voltage
Up to 600 V
Current
Up to 4000 A
Short Circuit Rating
Up to 65 kA
Features
ACB or MCCB, integrated metering
Standards
UL 891, CSA C22.2
Main-Tie-Main Configuration
Standard Features
  • Automatic or manual source transfer
  • Source-interlocking for reliability
  • Closed or open transition logic
  • Bus coupler circuit breaker
  • Suitable for critical and mission-critical loads
  • Generator paralleling capability
Optional Upgrades
  • +Automatic transfer switch (ATS) logic module
  • +Generator paralleling relay (25A sync-check)
  • +Power quality metering per source
  • +Battery-backed control power (UPS)
  • +Remote monitoring and alarm annunciation
  • +Load-shedding relay integration
Voltage
Up to 600 V
Current
Up to 4000 A
Short Circuit Rating
Up to 65 kA
Features
Automatic/manual transfer, interlocking
Standards
UL 891, CSA C22.2
Distribution Switchboards
Standard Features
  • Multiple feeder circuits with MCCBs or fuses
  • Custom bus ratings to 4000 A
  • Separate meter sections
  • NEC and CSA C22.1 compliant
  • Emergency power off (EPO) provisions
  • Accessible top and bottom cable entry
Optional Upgrades
  • +Sub-metering per feeder circuit
  • +Surge protective device (SPD)
  • +Bus extensions for future circuit expansion
  • +Digital circuit monitoring (Shark / ION)
  • +Dedicated lighting and HVAC sections
  • +Witnessed factory acceptance testing
Voltage
Up to 600 V
Current
Up to 4000 A
Short Circuit Rating
Up to 65 kA
Features
Multi-feeder, custom bus ratings
Standards
UL 891, CSA C22.2
Utility-Approved / ESA-Ready
Standard Features
  • CT/PT compartments for revenue metering
  • Tamper-resistant sealing provisions
  • ESA inspection-ready layouts
  • Utility metering form 9S and 16S
  • Sight glasses and sealing provisions
  • Coordinated with local utility requirements
Optional Upgrades
  • +Demand metering and interval data logging
  • +Remote meter reading (AMI module)
  • +Load profiling hardware
  • +Tamper-detection alarm outputs
  • +Dual-element (bi-directional) metering for solar/DG
  • +Utility-specific custom form factors
Voltage
Up to 600 V
Current
Site-specific
Short Circuit Rating
Site-specific
Features
CT/PT cubicle, tamper-proof, ESA-ready
Standards
CSA, ESA, UL 891
Standards & Compliance

Built to Standard

UL 891
U.S. switchboard product standard
CSA C22.2
CSA C22.2
Canadian electrical product standards
ANSI / NETA
ANSI / NETA
Factory acceptance testing protocols
ESA
Ontario authority acceptance layouts
Revenue Metering
Local utility meter requirements
NFPA 70 / NEC
U.S. electrical installation code
Applications

Where Our Switchboards Are Deployed

  • Commercial buildings & campuses
  • Healthcare facilities
  • Data centers
  • Industrial plants
  • Utilities & substations
  • EV charging infrastructure
  • Multi-unit residential
  • Port electrification
End-to-End Services

From specification to commissioning.

Specification review, engineering design, factory testing, site commissioning — the same team that built your switchboard supports it through its full lifecycle.

View Commissioning Services →
FAQ

Frequently Asked Questions

Our switchboards are rated up to 4000 A at 600 V AC, built to UL 891 and CSA C22.2. Higher ratings are available with custom bus configurations — contact our engineering team for site-specific requirements.

Yes. We design utility-approved meter sections with CT/PT cubicles, tamper-proof windows, and sealing provisions to meet revenue metering requirements from major Canadian and U.S. utilities.

Yes. Full FAT is performed including insulation resistance, contact resistance, and functional testing of all breakers and metering. Witnessed FAT is available for your project team or a third-party inspector.

Get a Quote

Request Switchboard Pricing

What to Include in Your Inquiry
  • Main current rating and voltage
  • Number of feeder circuits
  • Indoor / outdoor installation
  • Utility metering requirements
  • Required delivery timeline
  • Applicable standards (UL, CSA, ESA)
Response within 1 business day

Same-day lead time quote.
Speak directly with our engineers.

Our engineering team reviews every inquiry personally — no automated responses, no gatekeeping.

Request a Quote →Or call +1 (647) 616-2595

Built for Your Project. Tested Before Shipment.

Built in Canada — reach our engineering team directly for specs, quotes, and lead times.