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Square D BGA24125Y2 Molded Case Circuit Breaker
- 125A
- 2 Pole
- I-Line
Square D
BGA24125Y2
Molded Case Circuit Breaker
Brand
Square D
SKU
BGA24125Y2
Quantity
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Square D BGA24125Y2 - 125A 2 Pole Molded Case Circuit Breaker
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Quantity
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Description
Built for reliable overcurrent defense, this 125A, 2-pole MCCB belongs to the Square D PowerPacT B-Frame lineup. It is designed for commercial and industrial electrical distribution systems requiring thermal-magnetic trip functions. The breaker installs into Square D I-Line panelboards and switchboards using a shrouded plug-on jaw for the line side. Boasting a 35 kAIC interrupt capacity at 480Y/277V, it includes an AC phase connection, push-to-trip testing, and current-limiting technology.Specifications
| Brand | Square D |
|---|---|
| Series | BGA |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 208Y/120VAC, 65kA @ 240VAC, 35kA @ 480Y/277VAC, 20kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D I-Line Panelboards, Switchboards |
| Wire Gauge | 14-2/0 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 |
|---|---|
| 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, Visual Trip Indicator, 80% Rated, Non-Interchangeable Trip, Trip-Free Mechanism, RoHS Compliant, Mercury Free, PVC Free |
Product FAQs
6 answersWhat type of panelboards is the Square D BGA24125Y2 compatible with?
This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It features a shrouded plug-on jaw design on the line side that connects directly to the I-Line bus.
What does the "Y2" suffix indicate in the BGA24125Y2 catalog number?
The "Y2" suffix designates an AC phase connection. This means the 2-pole breaker will draw power specifically from the A and C phases of the I-Line bus.
What does the "G" in the BGA24125Y2 catalog number represent?
The "G" indicates the breaker's interrupting rating tier within the PowerPacT B-Frame series. This specific G-rating provides a 35 kAIC capacity at 480Y/277VAC and 65 kAIC at 240VAC.
Can the PowerPacT BGA24125Y2 replace older Square D F-Frame breakers?
Yes, the PowerPacT B-Frame series is the modern replacement for legacy Square D F-Frame breakers, such as the FA or FH series, in I-Line panelboards. Verify physical space and phase connections before upgrading.
Is the trip unit on the BGA24125Y2 adjustable?
No, this breaker features a fixed thermal and fixed magnetic (LI) trip unit. It provides standard long-time and instantaneous protection without adjustable dials.
Does this breaker include a push-to-trip feature?
Yes, PowerPacT B-Frame breakers include a push-to-trip button on the front face. This allows you to manually test the tripping mechanism and verify proper mechanical operation before or during maintenance.
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