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Square D KAP36225 Molded Case Circuit Breaker
- 225A
- 3 Pole
- Bolt-On
Square D
KAP36225
Molded Case Circuit Breaker
Brand
Square D
SKU
KAP36225
Quantity
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Square D KAP36225 - 225A 3 Pole Molded Case Circuit Breaker
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Description
Serving as a dependable overcurrent solution, the Square D KAP36225 is a 3-pole, 225A circuit breaker from the legacy K-Frame series. It protects commercial systems against overloads and short circuits. This unit mounts into Square D panelboards via a sturdy bolt-on connection. Facilities looking to modernize can replace this breaker with a PowerPacT J-Frame model using a retrofit kit. With a rating of 42 kAIC at 240VAC, it delivers high-performance fault clearing.Specifications
| Brand | Square D |
|---|---|
| Part Number | KAP36225 |
| Series | KAP |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 25kA @ 480VAC, 22kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | KAP |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Panelboards, Switchboards |
| 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 | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Lug Kits |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Visual Trip Indicator |
Product FAQs
6 answersWhat equipment is the KAP36225 designed to be installed in?
This legacy K-Frame breaker is engineered for use in compatible Square D panelboards and switchboards. It is commonly used to maintain or expand existing commercial and industrial electrical distribution systems.
How is the KAP36225 secured within the panelboard?
It features a bolt-on mounting design that fastens directly to the panel busbar. This provides a secure, vibration-resistant connection suitable for heavy-duty applications.
What is the modern replacement for the legacy KAP36225 breaker?
While the KAP36225 is used as a direct replacement for existing K-Frame setups, Square D has superseded this legacy line with the PowerPacT J-Frame series. Upgrading to a PowerPacT breaker in an older panel will require a specific retrofit kit.
Are the trip settings on the KAP36225 adjustable?
Yes, the magnetic trip function is adjustable, allowing electricians to fine-tune the instantaneous short-circuit response. The thermal long-time trip function remains fixed.
What type of wiring is compatible with the terminals on this breaker?
The breaker is equipped with lugs that accept both aluminum and copper conductors. The supported wire gauge ranges from 4 AWG up to 350 kcmil.
Does the KAP36225 provide both overload and short-circuit protection?
Yes, it utilizes thermal-magnetic trip technology. The thermal component provides long-time protection against overloads, while the magnetic component delivers instantaneous protection against short circuits.
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