Square D EDB34100 Molded Case Circuit Breaker

Square D EDB34100 molded‑case circuit breaker from Schneider Electric is a three‑pole, 100 A device designed for 480Y/277 VAC three‑phase systems. Part of the EDB family, it uses a thermal‑magnetic trip to provide overload and short‑circuit protection for panelboards and power distribution circuits. The breaker carries an 18 kA interrupt rating at 480Y/277 VAC, aligning with standard protection needs in many commercial installations, and it is specified for 277/480 V AC service. Its lugs accept aluminum or copper conductors in the 14‑AWG to 2/0‑AWG range, enabling flexible wiring options. This model is intended for use in Square D NF panelboards and similar Square D distribution setups, delivering reliable 100 A protection in a compact molded‑case form factor.