Challenger CFS3150 Molded Case Circuit Breaker

Challenger CFS3150 molded-case circuit breaker is a three-pole, 150 A protective device designed for 3‑phase panels. It belongs to Challenger's CF Series (CF3150 family) and is rated for up to 600 V AC and 250 V DC, delivering thermal‑magnetic protection with long‑time and instantaneous trip functions (LI). The breaker is specified for a short‑circuit current rating of 35 kA at 480 VAC, and uses bolt‑on termination for secure mounting. Its compact form measures roughly 4.13 in wide, 6 in high, and 3.38 in deep, and it typically weighs about 4 lb. This molded‑case breaker is suitable for branch‑circuit protection in commercial and light‑industrial distribution, safeguarding feeders, motors, and other 3‑phase loads against overloads and short circuits.