Schneider Electric EJB34100 NN Circuit Breaker

Schneider Electric's EJB34100 NN is a 3-pole, 100 A E-frame molded‑case circuit breaker designed for 480Y/277 VAC three‑phase distribution. This bolt‑on, TAA‑compliant unit is suitable for NF panelboard installations and provides thermal‑magnetic protection with an interrupting capacity up to 100 kAIC. As part of the Square D by Schneider Electric EJB family, the device protects all phases of the circuit it serves and is used in commercial and light industrial electrical distributions to safeguard feeders and branch circuits. Its 480Y/277 V rating supports standard three‑phase service, and the E-frame mounting footprint aligns with compatible panelboards and bus assemblies.