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Square D HDP36125SA Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
Square D
HDP36125SA
Molded Case Circuit Breaker
Brand
Square D
SKU
HDP36125SA
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Square D HDP36125SA - 125A 3 Pole Molded Case Circuit Breaker
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125A 3 Pole Molded Case Circuit Breaker
125A 3 Pole Molded Case Circuit Breaker
Description
Delivering versatile protection, the Square D HDP36125SA is a 125A, 3-pole MCCB from the PowerPacT H-Frame series. It provides long-time and instantaneous (LI) trip functions. This unit-mount breaker is designed for installation in control panels and switchboards. It features load-side lugs that accommodate 14-3/0 AWG wire. A factory-installed shunt trip allows for remote tripping. Rated at 18 kAIC at 480VAC, it features a trip-free mechanism and reverse-feed capabilities.Specifications
| Brand | Square D |
|---|---|
| Part Number | HDP36125SA |
| Series | HDP |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC, 20kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Industrial Control Panels, Switchboards |
| Wire Gauge | 14-3/0 AWG (Al/Cu) |
| Max Wire | 3/0 AWG |
| Min Wire | 14 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, Motor Operator, Rotary Handle, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included, Shunt Trip (Factory Installed) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Trip-Free Mechanism |
Product FAQs
6 answersWhat does the SA suffix indicate on the HDP36125SA catalog number?
The SA suffix designates that this breaker includes a factory-installed 120VAC shunt trip. This allows the breaker to be tripped remotely using a control voltage signal.
Are the lugs on the HDP36125SA rated for aluminum conductors?
Yes, the standard factory lugs are dual-rated for both aluminum and copper wire, accepting conductor sizes from 14 AWG to 3/0 AWG.
How is the HDP36125SA mounted in a panel?
This is a unit-mount circuit breaker. It bolts directly to the backpan or mounting plate in industrial control panels and switchboards, rather than plugging onto an I-Line bus.
Can the trip settings on the HDP36125SA be adjusted in the field?
The thermal protection for overloads is fixed, but the magnetic trip for instantaneous short-circuit protection is adjustable to coordinate with other devices in your system.
Is the HDP36125SA suitable for DC circuits?
Yes, it is rated for use in DC applications up to 250VDC, where it provides a 20kA interrupting rating.
Will the HDP36125SA fit in an I-Line panelboard?
No, this is a unit-mount breaker. For an I-Line panelboard, you would need an I-Line version of the PowerPacT H-frame, such as the HDA or HGA series, rather than the HDP unit-mount configuration.
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