Square D - EDB34045 45A 3-Pole 480V Bolt-On Molded Case Circuit Breaker
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The Square D EDB34045 is a 3-pole, 45-amp thermal magnetic molded case circuit breaker (MCCB) rated for 480VAC with bolt-on mounting. Manufactured by Schneider Electric, this ED-frame breaker provides reliable overload and short-circuit protection for commercial and industrial three-phase branch circuits at 480V. Its compact bolt-on design ensures a secure, consistent installation in compatible Square D panelboards and load centers.
Specifications
| Attribute | Value |
|---|---|
| Part Number | EDB34045 |
| Manufacturer | Square D / Schneider Electric |
| Amperage Rating | 45A |
| 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 | ED |
Key Features
- Bolt-on mounting for secure, vibration-resistant installation in Square D ED-frame panelboards
- Thermal magnetic trip for time-delay overload and instantaneous short-circuit protection
- 45-amp, 480V rating for commercial and industrial three-phase branch circuit protection
- 3-pole design for balanced three-phase 480V circuit protection
- UL 489 Listed, NEC compliant
- Compact ED-frame fits Square D and compatible load centers and panelboards
Common Applications
- 45A three-phase branch circuit protection in 480V industrial and commercial panels
- Motor branch circuit protection up to 45A at 480V
- HVAC and process equipment branch circuits at 480V
- Manufacturing facility branch circuit distribution
- Replacement in Square D ED-frame bolt-on compatible panelboards
Frequently Asked Questions
What is the Square D EDB34045?
The EDB34045 is a 45-amp, 3-pole, 480V thermal magnetic bolt-on MCCB from Square D used for branch circuit and feeder protection in three-phase commercial and industrial 480V electrical distribution systems.
What is the difference between EDB34045 and EDB34125?
Both are Square D ED-frame, 3-pole, 480V bolt-on thermal magnetic MCCBs. The EDB34045 is rated at 45A for lighter branch circuit applications, while the EDB34125 is rated at 125A for larger feeder and main circuits. Select based on your NEC load calculations.
Is the EDB34045 in stock?
Yes. Alpha Brokers & Controls stocks the Square D EDB34045 in new condition. Contact us for current availability and fast shipping.