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Square D BGA260451 Molded Case Circuit Breaker
- 45A
- 2 Pole
- I-Line
Square D
BGA260451
Molded Case Circuit Breaker
Brand
Square D
SKU
BGA260451
Quantity
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Square D BGA260451 - 45A 2 Pole Molded Case Circuit Breaker
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Description
Built for commercial and industrial power distribution, the Square D BGA260451 delivers 45 amps of thermal-magnetic protection. This molded case circuit breaker ensures reliable long-time and instantaneous (LI) defense against overloads and short circuits. The breaker mounts into Square D I-Line panelboards and switchboards. Featuring an AB phase connection, it replaces older FA26045AB and FH26045AB models for easy system maintenance.Specifications
| Brand | Square D |
|---|---|
| Series | BGA |
| Amperage | 45A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 208Y/120VAC, 65kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 20kA @ 250VDC |
| Frame Type | B |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Switchboards |
| Wire Gauge | 14 AWG - 2/0 AWG (Al/Cu) |
| Max Wire | 2/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Rotary Handle, Motor Operator |
|---|---|
| Accessories | None included |
| Standards | CSA C22.2 No. 5, EN/IEC 60947-2, EN/IEC 60947-5-1, GB 14048.2, NEMA AB 1, NMX J-266, UL 489 |
| Approval | CCC, CE, CSA, EAC, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, 80% Rated |
Product FAQs
7 answersWhat legacy Square D circuit breakers does the BGA260451 replace?
The BGA260451 is a direct replacement for older FA26045AB and FH26045AB 2-pole circuit breakers.
What does the 1 suffix in the BGA260451 catalog number mean?
The 1 indicates that this 2-pole breaker is configured for an AB phase connection on the I-Line busbar.
Which panelboards are compatible with the BGA260451?
This PowerPacT B-Frame breaker is designed exclusively for installation in Square D I-Line panelboards and switchboards.
How is the BGA260451 installed in a panel?
It features a plug-in I-Line connection on the line side that mounts directly to the busbar, and mechanical lugs on the load side that accept 14 AWG to 2/0 AWG aluminum or copper wire.
What does the G in the BGA260451 part number signify?
The G designates the interrupting rating tier within the PowerPacT B-Frame series, providing 65kA at 240VAC, 35kA at 480VAC, and 18kA at 600Y/347VAC.
Is the BGA260451 rated for 100 percent continuous operation?
No, standard PowerPacT B-Frame circuit breakers are 80 percent rated. Per the NEC, continuous loads should not exceed 80 percent of its 45A capacity.
What safety mechanisms are built into the BGA260451 operating handle?
The breaker features a trip-free mechanism, allowing it to trip during an overload or short circuit even if the handle is physically held in the ON position. It also includes a push-to-trip button for manual testing.
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