Challenger CF3040 Three-Pole Circuit Breaker

Challenger CF3040 is a three-pole molded‑case circuit breaker in the CF series, delivering 40 A of overcurrent protection for three‑phase systems up to 600 VAC and 250 VDC, with bolt‑on mounting for straightforward integration into standard panels. Designed for industrial distribution, it employs a thermal‑magnetic trip with distinct long‑time and instantaneous elements, and it carries a 25 kA interrupting rating at 480 VAC, providing robust protection for feeders and motors in demanding environments. The CF3040 is rated for operation in environments up to 40°C and aligns with the CF frame family, offering reliable performance in commercial and light‑industrial panelboards and control circuits that require 3‑phase protection at the specified voltage levels. Key specs at a glance: 40 A, three‑pole, 600 VAC / 250 VDC, bolt‑on mounting, CF molded‑case design, thermal‑magnetic trip, and 25 kA interrupting rating at 480 VAC.