Schneider Electric's EDB34025 U is a bolt‑on, three‑pole E‑Frame miniature circuit breaker rated 25 A for 480Y/277 VAC service. Designed for NF panelboards, this 3P device provides thermal‑magnetic protection with a maximum interrupting capacity listed by Schneider as 25 kA, though some listings for 480Y/277V configurations show lower ratings. Terminations accept 14–6 AWG aluminum or copper conductors on bolt‑on lugs. As part of the Square D EDB family, the EDB34025 U is intended for reliable three‑phase protection in commercial and light industrial distribution systems at high line voltage.
