Engineered for industrial applications, the Square D IK36200G is a 3-pole, 200A molded case circuit breaker providing long-time, instantaneous, and ground fault protection (LI+G). This K-Frame MCCB features an I-Line mounting style for installation into Square D I-Line panelboards. It is officially superseded by the KI36200G. Delivering a robust 200 kAIC at 480VAC, this current-limiting breaker handles severe faults and includes an adjustable magnetic trip.
Load Side Lugs Included, Ground Fault Shunt Trip (Factory Installed)
Standards
CSA C22.2 No. 5, NEMA AB 1, UL 489
Approval
CSA, UL
Temp Rating
40C
Construction Features
Current Limiting, Visual Trip Indicator
Special Features
Current Limiting
Product FAQs
7 answers
What type of panelboards are compatible with the IK36200G?
This breaker is specifically designed for Square D I-Line panelboards and switchboards. It features a plug-on line-side connection that mounts directly to the I-Line bus stack.
What does the G suffix mean in the IK36200G catalog number?
The G designates Ground Fault Equipment Protection (GFEP). In addition to standard thermal-magnetic protection, it includes an integrated ground fault module to detect and clear low-level arcing faults, protecting equipment from damage.
Is the Square D IK36200G considered a current-limiting breaker?
Yes, the IK series is a current-limiting K-Frame circuit breaker. It is engineered to clear severe short circuits extremely fast, offering a high interrupting capacity of 200kA at 240V and 480V, and 100kA at 600V.
What wire sizes are supported by the load lugs on the IK36200G?
The factory-installed load lugs accept either copper or aluminum conductors ranging from 4 AWG to 350 kcmil. Ensure proper torque specifications are followed during installation.
Has the IK36200G been superseded by a newer model?
Yes, the IK36200G has been officially superseded by the KI36200G. The KI model provides the same 200A capacity, I-Line mounting, and current-limiting performance for your existing panelboard.
How is the IK36200G installed into the electrical system?
It uses an I-Line style plug-in connection. The line side of the breaker pushes directly onto the panel bus assembly, eliminating the need for line-side cables, while the load side connects via traditional mechanical lugs.
Are the trip settings adjustable on this 200A breaker?
The thermal (Long-Time) protection is fixed at 200 amps, but the magnetic (Instantaneous) trip function is adjustable. This allows electricians to fine-tune the short-circuit response based on the specific load requirements.
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