Square D HGA260451 Molded Case Circuit Breaker
- 45A
- 2 Pole
- I-Line
Square D
HGA260451
Molded Case Circuit Breaker
Brand
Square D
SKU
HGA260451
Quantity
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Square D HGA260451 - 45A 2 Pole Molded Case Circuit Breaker
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Description
Delivering robust thermal-magnetic circuit protection, the Square D HGA260451 is a 45A, 2-pole MCCB built for demanding commercial environments. It utilizes proven PowerPacT H-Frame technology. The breaker installs into Square D I-Line panelboards, utilizing an AB phase connection. It provides a seamless upgrade path, replacing older FA26045AB and FH26045AB models. With a 65kAIC rating at 240VAC, this current-limiting device features Visi-Trip indication for quick fault identification.Specifications
| Brand | Square D |
|---|---|
| Series | HGA |
| Amperage | 45A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 20kA @ 250VDC, 20kA @ 500VDC |
| Frame Type | HGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| Wire Gauge | 14 AWG-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 | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Lugs |
| 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 |
Product FAQs
4 answersCan the PowerPacT HGA260451 replace older Square D F-frame circuit breakers?
Yes. The PowerPacT H-frame series is the direct replacement for legacy Square D F-frame (FA and FH) molded case circuit breakers. It fits the same mounting space in I-Line panelboards and switchboards while offering upgraded features.
What does the "1" at the end of the HGA260451 catalog number indicate?
The "1" suffix indicates the specific phase connection for the I-Line plug-in mounting. For 2-pole PowerPacT breakers, a "1" designates an AB phase connection on the panelboard bus.
What is the recommended tightening torque for the terminals on the HGA260451?
The standard AL150HD mechanical lugs accept 14 AWG to 3/0 AWG aluminum or copper wire. Torque requirements depend on wire size: use 44.3 lb-in (5 N-m) for 14 to 10 AWG, and 124 lb-in (14 N-m) for 8 to 3/0 AWG.
What does the "G" in the HGA part number represent?
The "G" designates the breaker's specific interrupting rating tier within the PowerPacT H-frame family. It dictates the maximum interrupting capacities, distinguishing it from other performance levels like the HD or HJ frames.
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