Square D - EJB34125 125A 3-Pole 480V Bolt-On Molded Case Circuit Breaker
Square D - EJB34125 125A 3-Pole 480V Bolt-On Molded Case Circuit Breaker
Product images are representative only. Actual product may vary.
The Square D EJB34125 is a 3-pole, 125-amp thermal magnetic molded case circuit breaker (MCCB) rated for 480VAC with bolt-on mounting. Manufactured by Schneider Electric, this EJ-frame breaker provides reliable overload and short-circuit protection for industrial and commercial three-phase feeder and main circuits at 480V. Its bolt-on design ensures secure installation in compatible Square D panelboards and switchboards.
Specifications
| Attribute | Value |
|---|---|
| Part Number | EJB34125 |
| Manufacturer | Square D / Schneider Electric |
| Amperage Rating | 125A |
| Voltage Rating | 480VAC |
| Number of Poles | 3 |
| Trip Type | Thermal Magnetic |
| Mount Type | Bolt-On |
| Interrupting Rating | 65kA @ 240V / 25kA @ 480V |
| Standard | UL 489 Listed |
| Frame Series | EJ |
Key Features
- Bolt-on mounting for secure installation in Square D EJ-frame compatible panelboards
- Thermal magnetic trip for reliable overload and instantaneous short-circuit protection
- 125-amp, 480V rating for medium-capacity feeder and main circuit protection
- 3-pole configuration for three-phase 480V system protection
- UL 489 Listed, NEC compliant
- Compatible with Square D EJ-frame accessories
Common Applications
- 125A feeder and main circuit protection in industrial 480V panelboards
- Motor control center (MCC) feeder circuit protection at 480V
- Commercial and industrial distribution panels at 480V
- Manufacturing facility sub-panel main protection
- Replacement in Square D EJ-frame bolt-on compatible equipment
Frequently Asked Questions
What is the Square D EJB34125?
The EJB34125 is a 125-amp, 3-pole, 480V thermal magnetic bolt-on MCCB from Square D used for feeder and main circuit protection in three-phase commercial and industrial 480V electrical distribution systems.
What is the difference between EJB34125, EGB34125, and EDB34125?
All three are Square D 125-amp, 3-pole, 480V thermal magnetic bolt-on MCCBs, but in different frame families: EJB is EJ-frame, EGB is EG-frame, and EDB is ED-frame. Frame differences affect interrupting ratings, physical size, and panelboard compatibility. Select the correct frame based on your equipment's requirements.
Is the EJB34125 in stock?
Yes. Alpha Brokers & Controls stocks the Square D EJB34125. Contact us for current availability and fast shipping.