Square D KHL362001027 Molded Case Circuit Breaker
- 200A
- 3 Pole
- Unit Mount
Quantity
Square D KHL362001027 - 200A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Providing advanced control for industrial applications, this 200A thermal-magnetic MCCB combines reliable protection with remote tripping capabilities. The unit mount configuration fits into Square D enclosures and switchboards. It acts as a replacement for legacy K-Frame installations, though the PowerPacT J-Frame is the current generation equivalent. A factory-installed shunt trip allows the breaker to be opened via an external voltage signal. It boasts a 65kA interrupting capacity at 240VAC.Specifications
| Brand | Square D |
|---|---|
| Series | KHL |
| Amperage | 200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | KHL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Enclosures, Switchboards, Motor Control Centers |
| Wire Gauge | 4 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 4 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, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included, Shunt Trip (Factory Installed) |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity, HACR Rated |
Product FAQs
6 answersWhat does the 1027 suffix mean on the KHL362001027?
The 1027 suffix indicates the inclusion of a factory-installed shunt trip accessory with a 24V DC coil. This allows the breaker to be opened remotely via a control signal, which is commonly used for emergency power-off or safety interlock systems.
How does the unit-mount design of the KHL362001027 differ from I-Line breakers?
As a unit-mount, feed-thru breaker, the KHL362001027 bolts directly to the backpan or mounting surface and requires wired connections on both the line and load sides. It is not compatible with I-Line plug-on panelboard bus systems.
What is the modern replacement for the legacy KHL362001027?
The Square D K-Frame is a legacy series. When upgrading or replacing this unit, Schneider Electric recommends the PowerPact J-Frame series, such as the JGL36200. Note that a separate 24V DC shunt trip accessory must be installed on the replacement to match the 1027 suffix functionality.
How does the adjustable magnetic trip work on this K-Frame breaker?
The thermal-magnetic trip unit features a fixed thermal element for overload protection and an adjustable magnetic element for instantaneous short-circuit protection. The magnetic dial allows electricians to fine-tune the trip threshold to coordinate with other downstream devices or handle motor inrush currents.
Can the KHL362001027 be used in DC electrical systems?
Yes, in addition to its AC ratings up to 600VAC, this breaker is rated for 250VDC systems. It provides an interrupting capacity of 10kAIC at 250VDC.
What type of conductors can be used with the standard lugs on this breaker?
The factory-installed lugs are rated for both aluminum and copper (Al/Cu) conductors. They accommodate wire sizes ranging from 4 AWG up to 350 kcmil.
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