Schneider Electric EJB Series ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,809.19
Schneider EJB Series Thermal-Magnetic Circuit Breakers — 1-, 2- & 3-Pole, 15–100A, 480Y/277V A

Schneider Electric EJB Series Thermal-Magnetic Circuit Breakers 1-3 Pole 15-100A 480Y/277V HACR Rated

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Model: EJB34050

In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,809.19
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Schneider Electric EJB Series Thermal-Magnetic Circuit Breakers

Professional HACR-Rated Protection for Commercial Applications

Schneider Electric EJB Series thermal-magnetic circuit breakers deliver reliable overcurrent protection for commercial electrical systems. These miniature circuit breakers feature 1-, 2-, and 3-pole configurations with current ratings from 15-100A at 480Y/277V, specifically HACR rated for heating, air conditioning, and refrigeration applications. Built with E-Frame module construction and bolt-on mounting, these breakers provide dependable protection with trip indicator signaling and 15-year average life duration.

Professional Features & Benefits

  • HACR Rating: Specifically designed and certified for heating, air conditioning, and refrigeration equipment protection, ensuring reliable operation in demanding HVAC applications.
  • Thermal-Magnetic Trip Technology: Combines thermal and magnetic protection mechanisms for precise overcurrent detection and fast fault clearing to protect downstream equipment.
  • Multi-Pole Configuration: Available in 1-, 2-, and 3-pole configurations to accommodate various circuit requirements and load types in commercial installations.
  • 480Y/277V Rating: Engineered for commercial voltage systems, providing versatile protection for both lighting and power circuits in commercial facilities.
  • E-Frame Construction: Robust frame design ensures mechanical durability and reliable performance in commercial panel installations.
  • Trip Indicator: Visual indication of breaker trip status enables quick identification of faulted circuits for faster troubleshooting and maintenance.
  • 15-Year Life Duration: Extended service life reduces replacement frequency and maintenance costs while ensuring long-term protection reliability.

Technical Specifications

  • Ambient Air Temperature For Operation: 40 °C
  • Average Life Duration: 15 year(s)
  • China Rohs In Scope: No
  • Circuit Breaker Application: HACR rated
  • Circularity Profile: ENVEOLI2212008
  • Compliance: TAA
  • Country Of Origin: Mexico
  • Device Short Name: EJB
  • Device Type: LV equipment - Low voltage circuit breaker
  • End Of Life Doc Ref: ENVEOLI2212008
  • Energy Efficiency Optimized: FALSE
  • Environmental Disclosure: ENVPEP2212008
  • Eoli Availability Display: Yes
  • Eu Rohs Directive: Pro-active compliance (Product out of EU RoHS legal scope)
  • Field Service Division: PPIBS
  • Function Option: Standard
  • Function Option Id: STANDARD
  • H And D Domain: Safety
  • H And D Enrichment Assignment: no
  • H And D Enrichment Class 3: Circuit Breakers
  • H And D Enrichment Function: MCB
  • H And D Subrange: COM
  • Legacy Weee Scope: Out
  • Local Signalling: trip indicator
  • Manufacturer: Schneider Electric
  • Market Segmentation: Commercial
  • Market Segmentation Id: COMMERCIAL
  • Mercury Free: Yes
  • Module Type: E-Frame
  • Mounting Mode: bolt-on
  • Packaging Made With Recycled Cardboard: Yes
  • Product Certifications: cULus
  • Product Contributes To Saved And Avoided Emissions: No
  • Product Depth: 4.05 in
  • Product Height: 5.66 in
  • Product Or Component Type: miniature circuit-breaker
  • Range Of Product: 125 A Frame EDB-EGB-EJB
  • Reach Compliance Directive: Reference contains Substances of Very High Concern above the threshold
  • Reach Full Compliance Status: Reference contains Substances of Very High Concern above the threshold
  • Reach Full Compliance Status Id: CONTAINS_SVHC
  • Reach Regulation: Reference contains Substances of Very High Concern above the threshold
  • Recycled Metal Content At Cr Level: 0%
  • Relationshiptype: Compatible relationship
  • Return Indicator: Y
  • Returnability: Yes
  • Rohs Eur Conformity Date: 2534
  • Rohs Eur Full Compliance Status: Pro-active compliance (Product out of EU RoHS legal scope)
  • Rohs Eur Full Compliance Status Id: PRO_ACTIVE_COMPLIANCE
  • Rohs Eur In Scope: No
  • Rohs Eur Status: Compliant with Exemptions
  • Rohs Exemption Information: Yes
  • Serviceability: No
  • Take Back: No
  • Traceability: Yes
  • Trip Unit Technology: thermal-magnetic
  • Use Carbon Footprint: 50.548
  • With Recycled Cardboard: Yes
  • Department: Electrical

Professional Applications

  • Commercial HVAC Systems
  • Refrigeration Equipment Protection
  • Office Building Electrical Panels
  • Retail Facility Power Distribution
  • Light Industrial Equipment
  • Multi-Unit Commercial Properties
  • Professional Service Buildings

Why Choose Schneider Electric Quality?

Schneider Electric EJB Series circuit breakers combine proven thermal-magnetic technology with cULus certification and TAA compliance for reliable commercial protection. With mercury-free construction, 15-year average life duration, and comprehensive environmental compliance, these breakers deliver the dependable performance and regulatory compliance required for professional electrical installations.

Manufacturer Resources

Product Specs

Ambient Air Temperature For Operation:
40 °C
Average Life Duration:
15 year(s)
China Rohs In Scope:
No
Circuit Breaker Application:
HACR rated
Circularity Profile:
ENVEOLI2212008
Compliance:
TAA
Device Short Name:
EJB
Device Type:
LV equipment - Low voltage circuit breaker
End Of Life Doc Ref:
ENVEOLI2212008
Energy Efficiency Optimized:
FALSE
Environmental Disclosure:
ENVPEP2212008
Eoli Availability Display:
Yes
Eu Rohs Directive:
Pro-active compliance (Product out of EU RoHS legal scope)
Field Service Division:
PPIBS
Function Option:
Standard
H And D Domain:
Safety
H And D Enrichment Assignment:
no
H And D Enrichment Class 3:
Circuit Breakers
H And D Enrichment Function:
MCB
Legacy Weee Scope:
Out
Local Signalling:
trip indicator
Market Segmentation:
Commercial
Mercury Free:
Yes
Module Type:
E-Frame
Mounting Mode:
bolt-on
Packaging Made With Recycled Cardboard:
Yes
Product Certifications:
cULus
Product Contributes To Saved And Avoided Emissions:
No
Product Depth:
4.05 in
Product Height:
5.66 in
Product Or Component Type:
miniature circuit-breaker
Range Of Product:
125 A Frame EDB-EGB-EJB
Reach Full Compliance Status:
Reference contains Substances of Very High Concern above the threshold
Recycled Metal Content At Cr Level:
0%
Relationshiptype:
Compatible relationship
Rohs Eur Conformity Date:
2534
Rohs Exemption Information:
Yes
Serviceability:
No
Take Back:
No
Traceability:
Yes
Trip Unit Technology:
thermal-magnetic
Use Carbon Footprint:
50.548
With Recycled Cardboard:
Yes
Department:
Electrical
Product Type:
Miniature Circuit-Breaker
Product Group:
Circuit Breakers

Schneider EJB34050 – Frequently Asked Questions

1) Is the Schneider EJB breaker a bolt-on or a plug-in breaker?
Bolt-on only. The EJB mounts to the panel interior with bolt-on connections, so it needs a panelboard with bolt-on breaker mounting rails. If your panel takes plug-in branch breakers, an EJB will not seat in it.
2) Will a Schneider EJB breaker work on a 480Y/277V wye system?
Yes, that is what the EJB is built for. The 2-pole and 3-pole versions are rated 480Y/277 Vac, and the 1-pole versions are rated 277 Vac, which is a single phase to neutral off that same wye system. It is a wye rating, not a 480V delta rating, so use it on a grounded 480Y/277V service.
3) Can I use a Schneider EJB breaker to protect a rooftop AC unit or refrigeration compressor?
Yes. The EJB is HACR rated, meaning it is certified for heating, air conditioning and refrigeration equipment branch circuits, which is what most packaged rooftop units and condensing units call for on their nameplate. Size it to the unit's maximum overcurrent protective device rating, not just the FLA.
4) Is the Schneider EJB breaker UL listed and TAA compliant for a government job?
The EJB carries cULus certification and is TAA compliant, with country of origin Mexico. That combination is what federal, GSA and other TAA-restricted procurement typically requires on electrical distribution gear.
5) Do I need a 1-pole, 2-pole or 3-pole EJB for my circuit?
Pole count follows the load. A 1-pole at 277 Vac handles single-phase line-to-neutral circuits, typically 277V commercial lighting. A 2-pole takes a single-phase 480V line-to-line load. A 3-pole covers three-phase loads such as rooftop units, motors and compressors, and all 1-, 2- and 3-pole versions are available from 15A up to 100A.
6) What amp ratings and pole counts does the Schneider EJB come in?
The EJB is offered in 1-, 2- and 3-pole with amp ratings of 15, 20, 30, 50, 60, 80 and 100A in each pole count. Part numbering follows the pole and amp: EJB34050 is the 3-pole 50A, EJB24030 the 2-pole 30A, EJB14020 the 1-pole 20A.
7) Is the EJB interchangeable with EDB or EGB breakers in the same panel?
All three belong to Schneider's 125 A Frame EDB-EGB-EJB range and share the E-Frame module construction, so they are the same physical family of bolt-on E-Frame breakers. They differ in interrupting rating and voltage class, so match the breaker to the panel's and the circuit's voltage rating rather than assuming a straight swap.
8) How much room do I need in the panel for a Schneider EJB breaker?
The EJB measures 5.66 in height and 4.05 in depth, so check gutter space and cover clearance in shallow surface-mount enclosures before committing.
9) Can an EJB breaker be installed in a hot mechanical room or rooftop enclosure?
Its rated ambient air temperature for operation is 40 C (104 F). Above that, thermal-magnetic trip units run hotter and can nuisance trip below their nameplate amps, so a rooftop or boiler room panel that routinely exceeds 40 C needs either ventilation or ambient derating per the installation design.
10) Does the EJB breaker show which breaker tripped?
Yes, it has a trip indicator, so the handle position plus the local signalling shows a tripped pole rather than leaving a maintenance tech to test each circuit. Useful on a multi-tenant panel where you are chasing one faulted feeder.
11) Can a tripped or failed EJB breaker be repaired or rebuilt?
No. The EJB is non-serviceable, so a breaker that has failed or will not reset gets replaced, not opened up. For MRO stocking that means keeping spares of the pole and amp combinations you run most, typically the 3-pole HVAC sizes like EJB34030 and EJB34060.
12) Does the Schneider EJB contain REACH substances of very high concern?
Yes. The EJB is declared as containing Substances of Very High Concern above the REACH threshold. It is mercury free, out of EU RoHS legal scope under pro-active compliance, and has published environmental disclosure ENVPEP2212008 if your specification requires documentation.
How fast can I get the Schneider EJB34050 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Schneider EJB34050 come with a warranty?
Absolutely. The Schneider EJB34050 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Schneider EJB34050?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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