Square D MHL364002361 Molded Case Circuit Breaker
- 400A
- 3 Pole
- Unit Mount
Quantity
Square D MHL364002361 - 400A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for advanced control applications, this 400A molded case circuit breaker includes a factory-installed shunt trip and tapped control terminal lugs. The thermal-magnetic LI trip unit provides essential long-time and instantaneous protection for commercial power distribution. This M-frame device fastens into Square D switchboards and motor control centers. It is officially replaced by the PowerPact LJL36400U31X. Delivering a 65kA interrupting rating at 480VAC, it ensures high capacity.Specifications
| Brand | Square D |
|---|---|
| Part Number | MHL364002361 |
| Series | MHL |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 50kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D Switchboards, Motor Control Centers |
| Wire Gauge | (3) 3/0 AWG - 500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Shunt Trip (Factory Installed), Tapped Control Terminal Lugs (Factory Installed) |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip, Common Trip, Trip-Free Mechanism |
Product FAQs
5 answersWhat does the 2361 suffix denote on the MHL364002361 catalog number?
The 2361 suffix indicates the inclusion of a factory-installed 24Vdc shunt trip and tapped control terminal lugs, allowing the breaker to be tripped remotely via a 24Vdc control signal.
Is the MHL364002361 compatible with Square D I-Line panelboards?
No. This is a unit-mount breaker designed to bolt directly to a backpan or mounting plate in switchboards and motor control centers. It lacks the plug-on jaw connections required for I-Line busbars.
How is the trip curve configured on this MHL breaker?
The thermal long-time pickup is fixed at 400A, while the magnetic instantaneous trip is adjustable via a dial on the front faceplate to coordinate with downstream loads and inrush currents.
What is the modern equivalent for the legacy MHL364002361?
The legacy Square D M-frame series has been superseded by the PowerPact M-frame. Upgrading to current production requires a unit-mount PowerPact M breaker equipped with a 24Vdc shunt trip accessory.
Can the MHL364002361 be utilized in DC applications?
Yes, this thermal-magnetic breaker is rated for DC systems up to 250Vdc, providing a 50kA interrupting capacity for DC loads.
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