Eaton HMCP30R4C Cutler-Hammer HMCP Series Thermal Magnetic Circuit Breakers

The Eaton HMCP30R4C is a 30A, 4-pole (3P + N) Molded Case Circuit Protector (MCCP) from Eaton's HMCP series. Here are the key details:

Specifications:

Type: HMCP (Heavy-Duty Molded Case Protector)

Current Rating: 30A

Poles: 4 (3 phases + neutral)

Voltage Rating: Typically 480V AC or 600V AC (verify datasheet for exact rating)

Interrupting Capacity: High interrupting capacity (depends on voltage, e.g., 65kA @ 480V)

Trip Type: Instantaneous magnetic trip only (no thermal trip, designed for short-circuit protection)

Mounting: Fixed or plug-in (depends on the model variant)

Standards: UL 489, CSA, IEC (check datasheet for compliance)

Common Applications:

Motor circuit protection (short-circuit only, must be used with overload relay)

Power distribution panels

Industrial and commercial electrical systems

Compatibility & Accessories:

Can be used with Eaton’s motor starters (e.g., combination with an overload relay).

Compatible with Eaton’s panelboards & switchgear.

Available with optional accessories like shunt trips, auxiliary contacts, etc.