Square D KH36070 Molded Case Circuit Breaker
- 70A
- 3 Pole
- I-Line
Quantity
Square D KH36070 - 70A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D KH36070 - 70A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | KH36070 |
| Series | KH |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D I-Line Panelboards and 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity |
Quantity
Square D KH36070 - 70A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | KH36070-R |
| Series | KH |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D I-Line Panelboards and 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity |
Description
Engineered for commercial and industrial power distribution, the Square D KH36070 is a 3-pole, 70A molded case circuit breaker. It delivers reliable thermal-magnetic protection for demanding electrical systems. Designed to mount into Square D I-Line panelboards and switchboards, this legacy K-frame unit features a plug-on design for quick installation. It is replaced by the modern HJA36070 model. This breaker offers a 35kA interrupting capacity at 480VAC and is HACR rated.Specifications
| Brand | Square D |
|---|---|
| Part Number | KH36070 |
| Series | KH |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D I-Line Panelboards and 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity |
Product FAQs
6 answersWhat type of panelboards is the KH36070 compatible with?
This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It features the proprietary I-Line plug-on mounting connection and cannot be installed in standard load centers or bolt-on distribution panels.
What does the H in the KH36070 catalog number signify?
The H designates this as a high-interrupting K-frame breaker. It provides a higher short-circuit interrupting capacity (65kA at 240VAC and 35kA at 480VAC) compared to standard KA-frame models.
Is the Square D KH36070 a legacy breaker, and what is the modern replacement?
Yes, the K-frame series is a legacy MCCB line. For new installations or direct replacements, Square D has superseded this with the PowerPact H-frame series, specifically model HJA36070 for the 70A, 3-pole, I-Line configuration.
What wire sizes are accepted by the lugs on the KH36070?
The factory lugs accommodate a wide range of conductors, accepting either copper or aluminum wire from 4 AWG up to 350 kcmil. Ensure proper torque specifications are followed during installation.
Can the KH36070 be used in DC voltage applications?
Yes, in addition to its AC ratings, this thermal-magnetic breaker is rated for DC applications up to 250 VDC, providing a 10kA interrupting capacity.
How is the trip unit configured on the KH36070?
It utilizes a thermal-magnetic trip unit with LI (Long-Time, Instantaneous) functions. The thermal element for overload protection is fixed, while the magnetic element for short-circuit protection is adjustable to coordinate with downstream devices.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
- DPDouglas P.ReviewingSquare D KH36225 - 225A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/26/23I got it the next
I got it the next day and it worked just like it should. Thank you