Eaton HMDL3700C - 700 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton HMDL3700C—a 700A, 600V, 3-pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built to integrate seamlessly with Eaton’s OEM lineup, it stands out for space-efficient design and precise protection where it matters most.

• Compact molded-case design helps maximize panel space and simplify installation in tight electrical enclosures.
• Thermal-magnetic trip unit provides stable, repeatable protection by combining thermal overload sensing with instantaneous magnetic trip for high fault currents, reducing nuisance trips and improving reliability.
• 3-pole configuration ensures balanced protection across all phases, which is essential for three-phase systems and large load feeders.
• 700 A, 600 V ratings make it suitable for demanding residential, commercial, and light industrial circuits that require robust protection for substantial loads.
• OEM-compatible integration is designed to fit with matching Eaton OEM loadcenters and panelboards, delivering reliable fit and electrical performance without aftermarket compromises.
• Versatile application ideal for protecting branch circuits in panelboards and loadcenters where high-current protection and quick disconnection are critical.

How it protects your system: when a circuit is overloaded, the thermal element responds to sustained heat, while the magnetic element reacts to a high-energy fault, triggering an immediate trip. The result is faster disconnection of dangerous currents and protection for conductors, devices, and downstream equipment—minimizing damage and downtime.

• feeding high-current branch circuits in commercial or light industrial panels; replacing or retrofitting in Eaton panelboards that require HMDL3700C compatibility; supporting three-phase service applications where balanced protection is essential.
• Ideal for: panelboards and loadcenters in mixed-use environments that demand reliable, long-term protection for substantial loads.
• How it compares to alternatives: delivers a compact form factor with a thermal-magnetic trip in a single unit, reducing panel depth and simplifying protection coordination within Eaton’s OEM ecosystem.

Specifications at a glance

• Manufacturer: Eaton
• Part Number: HMDL3700C
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 700 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Compatibility and installation note: ensure the unit is paired with matching Eaton OEM loadcenters and panelboards for optimal performance and fit. Verify panel space, bus compatibility, and appropriate protection coordination within your system to maintain safe, reliable operation.

With the Eaton HMDL3700C, you gain a robust, high-capacity protection solution that respects panel real estate while delivering precise, dependable trip performance—ideal for installers and facility managers who demand safety, reliability, and efficiency in one trusted package.