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Square D BDA140201 Molded Case Circuit Breaker
- 20A
- 1 Pole
- I-Line
Square D
BDA140201
Molded Case Circuit Breaker
Brand
Square D
SKU
BDA140201
Quantity
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Square D BDA140201 - 20A 1 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial power distribution, the Square D BDA140201 provides reliable thermal-magnetic overcurrent protection. This 1-pole, 20A MCCB belongs to the PowerPacT B-Frame family. This unit installs into Square D I-Line panelboards and switchboards. It serves as a direct replacement for the legacy FA14020A breaker, ensuring seamless integration. Rated for 18kAIC at 277V, this breaker features a factory-configured A-phase connection and a Visi-Trip indicator.Specifications
| Brand | Square D |
|---|---|
| Series | BDA |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | I-Line |
| Voltage | 120VAC, 208Y/120VAC, 240VAC, 277VAC, 480Y/277VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 120VAC, 25kA @ 208Y/120VAC, 25kA @ 240VAC, 18kA @ 277VAC, 18kA @ 480Y/277VAC, 10kA @ 125VDC |
| Frame Type | BDA |
|---|---|
| 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 |
|---|---|
| Accessories | Factory-configured for A-Phase connection |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, EAC, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Trip-Free Mechanism, Quick-Make/Quick-Break, Phase Connection A |
Product FAQs
9 answersWhat panelboards are compatible with the BDA140201 circuit breaker?
This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It will not fit in standard load centers or NQ/NF panelboards.
Which legacy Square D breakers does the BDA140201 replace?
The PowerPacT B-frame BDA140201 is the direct modern replacement for obsolete 1-pole, 20A F-frame I-Line breakers, including the FA14020A and FA140201.
How does the I-Line mounting system work on this breaker?
The breaker features a plug-in jaw on the line side that directly grips the I-Line panelboard busbar. The load side utilizes a standard mechanical lug for wire termination.
What is the recommended torque for the load-side lug?
For the standard EverLink lug, the required torque is 44.3 lb-in (5 N.m) for 14 to 4 AWG wire, and 79.7 lb-in (9 N.m) for 3 to 2/0 AWG wire.
Is the BDA140201 rated for use on DC circuits?
Yes, this breaker is DC rated. It provides an interrupting capacity of 10kAIC at 125VDC.
Does this breaker provide ground fault (GFCI) or arc fault (AFCI) protection?
No. This is a standard thermal-magnetic breaker that provides long-time (overload) and instantaneous (short-circuit) protection only.
What do the letters in the BDA prefix signify?
In the PowerPacT nomenclature, B represents the B-frame size, D indicates the interrupting rating (18kA at 480Y/277VAC), and A specifies the I-Line mounting style.
Which phase connection is the BDA140201 configured for?
The 1 at the end of the catalog number indicates this 1-pole breaker is factory-configured to connect to the A-phase of the I-Line busbar. For B-phase, you would need BDA140203, and for C-phase, BDA140205.
Can I use aluminum conductors with this breaker?
Yes, the load-side lug is dual-rated for both aluminum (Al) and copper (Cu) wire, accepting sizes from 14 AWG up to 2/0 AWG.
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