Eaton HKD3400F Molded Case Circuit Breaker is a three-pole MCCB built for three‑phase electrical distribution. This HKD model is rated for 400 A at up to 600 V and supports a 50/60 Hz service, making it suitable for typical three‑phase power systems. It is specified as 3P, 400A, 600V, 50/60 Hz in the HKD family, providing protection for feeders and downstream equipment in three‑phase installations.
