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Square D KIL36175 Molded Case Circuit Breaker
- 175A
- 3 Pole
- Unit Mount
Square D
KIL36175
Molded Case Circuit Breaker
Brand
Square D
SKU
KIL36175
Quantity
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Square D KIL36175 - 175A 3 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty industrial applications, this 175A current-limiting MCCB restricts peak let-through current to safeguard critical electrical infrastructure. The unit-mount configuration integrates easily into Square D motor control centers, switchboards, and standalone enclosures, serving as an exact match for older K-frame installations. Featuring a thermal-magnetic trip with adjustable instantaneous settings, it handles up to 200 kAIC at 480VAC and is officially replaced by the JRL36175.Specifications
| Brand | Square D |
|---|---|
| Part Number | KIL36175 |
| Series | KIL |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480Y/277VAC, 200kA @ 480VAC, 100kA @ 600Y/347VAC, 100kA @ 600VAC |
| Frame Type | KIL |
|---|---|
| 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 | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Lugs (AL250KA) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, HACR Rated |
| Special Features | Current Limiting |
Product FAQs
6 answersWhat wire sizes and materials are compatible with the standard lugs on the KIL36175?
The factory lugs accept 4 AWG through 350 kcmil aluminum or copper conductors.
Can the KIL36175 be applied in DC circuits?
Yes, this breaker is rated for use in DC systems up to 250VDC, in addition to its standard 600VAC rating.
Where is the KIL36175 typically installed?
This unit-mount breaker is designed for installation in Square D enclosures, switchboards, and motor control centers.
How is the trip curve adjusted on this breaker?
The KIL36175 features a thermal-magnetic trip unit with a fixed thermal element for long-time protection and an adjustable magnetic element for instantaneous short-circuit protection.
What makes the KIL frame different from standard K-frame breakers?
The KIL designation indicates it is a current-limiting molded case circuit breaker. It provides an exceptionally high interrupting rating of 200kA at 480VAC to protect downstream equipment from severe fault currents.
Is the KIL36175 part of a current production series?
No, the KIL frame is a legacy molded case circuit breaker. For new installations requiring similar specifications, Schneider Electric typically recommends the PowerPact J-frame series, though the KIL36175 remains available for direct replacements.
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