Molded Case Circuit Breakers

Breakers Made to Break the Mold

Siemens offers one of the most comprehensive lines of Circuit Breakers in Canada. Engineered to react in the most demanding conditions, our extensive product portfolio is designed for Industrial, Commercial, and Residential applications. When it comes to ready availability, easy installation, and quality, we are a manufacturer you can always trust.

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Authorized Distributors

General Overview

General Purpose Circuit Breakers

General purpose thermal magnetic breakers are offered with countless options and possibilities. Fitting compactly into Siemens Panelboards, Meter Centres, and Loadcentres, these breakers...

 

  • Available in 240V, 480V, or 600Y/347V
  • Trip unit ranges from 15A to 250A
  • Interrupting ratings from 10kA to 100kA
  • Available with Arc Fault or Ground Fault sensing capabilities
  • Field installable internal accessories are available at 480V and 600/347V

3VA Molded Case Circuit Breakers

Siemens new 3VA molded case circuit breakers offer safe, efficient and variable application options for low and medium-voltage power distribution whether in industrial applications, infrastructure or buildings while complying with global standards and certifications. 

 

  • Trip unit ranges from 125A to 600A
  • Thermal-magnetic (3VA5) or Electronic Trip Unit (3VA6)
  • Extensive accessory program for operation including universal internal accessories
  • Power metering and communication capability with Modbus, Profibus, Profinet protocols
  • Technical information can be accessed directly via QR code

Sentron Molded Case Circuit Breakers

Siemens Sentron™ series circuit breakers have a long history of excellent performance in both commercial and industrial applications. Features include field installable accessories, series connected short circuit ratings, and many sizes for motor circuit protectors & molded case switches.

 

  • Available in nine frame sizes from 125A to 2000A
  • Thermal-magnetic or Electronic Trip Unit
  • 100% rated and current limiting version available
  • Fully rated for use in North America (UL489, CSA, NOM)

 

Technical Information

From single family homes and townhouses to high-rise condominiums and small office buildings, our loadcentres provide time saving and cost-effective solutions thanks to their simplified design.

Our Loadcentres and Breakers

EQL Loadcentre - Small Buildings and Miscellaneous Applications

  • Standard Main Lugs Only Distribution Panel
  • Single Phase 
  • 2/4 through 40/80 Circuits 
  • 60 to 200 Amp Ratings
  • Indoor (Type 1) or Outdoor Weatherproof (Type 3R) Enclosure 
  • White or Grey Enclosure

EQ3 Loadcentre - Condos, Apartment Buildings, or Office Buildings

  • Main Lug Loadcentre (also Available as Main Breaker)
  • Single Phase
  • 24 or 40 Circuits
  • 225 Amp Rating
  • Stocked complete with doors

EQ4 Loadcentre - Condos, Apartment Buildings, or Office Buildings

  • Main Lug Loadcentre (also Available as Main Breaker)
  • Three Phase
  • 12 through 42 Circuits 
  • 100 to 225 Amp Ratings
  • Stocked complete with doors

SEQ Loadcentre - Single Family and Small Building Applications

  • Main Circuit Breaker Loadcentre
  • Single Phase
  • 12/24 through 60/120 Circuits
  • 60 to 200 Amp Ratings
  • Indoor (Type 1) enclosure or Outdoor Weatherproof (Type 3R) enclosure
  • White or Grey Enclosure

EQ3 Loadcentre - Condos, Apartment Buildings, or Office Buildings

  • Main Breaker Loadcentre - (also Available as Main Lug)
  • Single Phase
  • 24 or 32 Circuits
  • 125 Amp Rating
  • Stocked complete with doors
  • Service Entrance Loadcentre options are available

 

EQ4 Loadcentre - Condos, Apartment Buildings, or Office Buildings

  • Main Breaker Loadcentre (also Available as Main Lug)
  • Three Phase
  • 24 or 42 Circuits 
  • 100 to 200 Amp Ratings
  • Stocked complete with doors
  • Service Entrance Loadcentre options are available 

EQG Loadcentre - Single Family and Small Building Applications

  • Single Phase
  • 2 Pole with 8/16 through 36/72 Circuits
  • 3 Pole with 6/12 through 34/68 Circuits
  • 30 to 100 Amp Ratings
  • Stocked complete with doors
  • Allows permanent connections to critical loads 
  • Factory ready for switched and non-switched neutral applications

SPA Panel - Outdoor Applications

  • Main Circuit Breaker Loadcentre 
  • Single phase
  • 4/8 Circuits
  • 125 Amp rating
  • Outdoor Enclosure (Type 3R)

Mini Panel - Commercial and Service Entrance Use

  • Circuit Breaker Enclosure
  • 1 or 2 Pole 
  • Single Phase
  • 15 to 125 Amp Ratings
  • Indoor (Type 1) Enclosure

Arc and Ground Fault Circuit Breakers

Dual Function Arc and Ground Fault Circuit Breakers are available 

Arc Fault Circuit Breaker

  • Interrupting rating of 10kA, 22kA, and 65kA
  • 1 and 2 Pole
  • 15 and 20 Amp

Ground Fault Circuit Breaker

  • Interrupting rating of 10kA, 22kA, and 65kA
  • 1 and 2 Pole
  • 15 to 60 Amps
  • 5 and 30mA sensitivity

QP Plug-in Breakers

Interrupting rating of 10kA and 22kA

Full Module

  • 1 Pole 15-70 Amp
  • 2 Pole 15-200 Amp
  • 3 Pole 15-100 Amp

Half Module

  • Twin: Two single pole, 15-15 to 40-15 Amp
  • Quad: Two single-pole and one 2-pole inner breaker, 15-15 to 15-40 Amps

BQ Bolt-on Breakers

Interrupting rating of 10kA and 22kA


Full Module

  • 1 Pole 15-70 Amp
  • 2 Pole 15-125 Amp
  • 3 Pole 15-100 Amp

Find your Loadcentre

Door Kits and Trims

Door kits and trims can be provided for different models of our loadcentres in many sizes.

Accessories and Replacement Parts

With the comprehensive selection of replacement parts and accessories, Siemens loadcentres and breakers are the smart choice for the conscientious customer. Handle ties, handle blocking devices, padlocking devices, and filler plates are available. Lug kits are offered in a variety of wire range sizes. 

Surge Protection Devices 

Siemens Customer Interaction Centre

Contact

Get in contact with our Customer Interaction Centre (CIC)

Toll-free Telephone Support: 1-888-303-3353 Email:  cic.ca@siemens.com Normal Business Hours - Monday to Friday - 8:00 AM-5:00 PM Eastern Standard Time

Low Voltage Customer Service