The Square D EDB34050 is a 50-amp, 3-pole, 480Y/277V E-Frame molded case circuit breaker. It features bolt-on mounting for use in Square D NF and NQ panelboards. The EDB34050 provides thermal-magnetic LI protection and is rated for 18kAIC at 480V. It is commonly used in commercial and light industrial applications for branch circuit protection in 480Y/277V three-phase distribution systems.
| Specification | Value |
|---|---|
| Amperage | 50A |
| Poles | 3 |
| Voltage | 480VAC |
| Interrupt Rating | 18kA @ 480V · 42kA @ 240V |
| Frame Size | E-Frame (100A Frame) |
| Mounting Type | Bolt-On |
| Trip Type | Thermal Magnetic |
| Trip Function | LI — Long-Time, Instantaneous |
| Wire Size | 14–2/0 AWG (Al/Cu) |
| Phase | 3-Phase |
| Standards | UL 489, CSA C22.2 No.5, NEMA AB 1 |
| Temperature Rating | -25°C to 70°C |
Replaces: EDB34050
Square D EDB E-Frame 50A 3-pole circuit breaker. In stock at AllBreakerSales.com. Call (877) 611-0034 for same-day pricing. Genuine OEM parts, ships from US warehouse.
Brand: Square D | Series: EDB E-Frame | Catalog Number: EDB34050
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