Square D HDA36070 Three Phase Circuit Breaker

The Square D PowerPact H HDA36070 is a three‑pole, 70 A molded‑case circuit breaker rated for 600 VAC, designed for I‑Line plug‑in mounting in PowerPact H panels. It provides thermal‑magnetic protection for three‑phase circuits with an interrupting capacity of 25 kA at 240 V, 18 kA at 480 V, and 14 kA at 600 V, and an 80% continuous rating. The unit accepts copper or aluminum conductors from AWG 14 to 3/0, with line‑side I‑Line connections and load‑side lugs (phase connection ABC), and measures approximately 6.4 in tall by 4.12 in wide by 4.36 in deep. This HDA36070 model is part of Square D’s PowerPact H family, offering reliable overcurrent protection for industrial and commercial distribution systems where space and quick replacement are important.