The Square D EDB34020 is a 20-amp, 3-pole, 480Y/277V E-Frame molded case circuit breaker designed exclusively for Square D NF panelboards. It features a bolt-on mounting style for a rigid, high-performance connection and thermal-magnetic trip technology with LI (Long-Time, Instantaneous) protection. The EDB34020 is HACR-rated and HID-rated, making it suitable for high-intensity discharge lighting loads. With an 18kAIC interrupting rating at 480Y/277V, it handles demanding commercial electrical environments reliably.
| Specification | Value |
|---|---|
| Amperage | 20A |
| Poles | 3 |
| Voltage | 120/240/277/480Y/277VAC |
| Interrupt Rating | 25kA @ 240V · 18kA @ 480Y/277V |
| Frame Size | E-Frame (100A Frame) |
| Mounting Type | Bolt-On |
| Trip Type | Thermal Magnetic |
| Trip Function | LI — Long-Time, Instantaneous |
| Wire Size | 14–6 AWG Cu, 12–6 AWG Al |
| Phase | 3-Phase |
| Standards | UL 489, CSA C22.2 No. 5, NEMA AB 1 |
| Temperature Rating | 40°C |
Square D EDB E-Frame 20A 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: EDB34020
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