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Square D BDA140203 Molded Case Circuit Breaker
- 20A
- 1 Pole
- I-Line
Square D
BDA140203
Molded Case Circuit Breaker
Brand
Square D
SKU
BDA140203
Quantity
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Square D BDA140203 - 20A 1 Pole Molded Case Circuit Breaker
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Description
Built for industrial and commercial applications, the Square D BDA140203 delivers robust thermal-magnetic protection. This 1-pole, 20A breaker is part of the advanced PowerPacT B-Frame series. Designed for quick integration, it mounts into Square D I-Line panelboards and switchboards. It also acts as an exact substitute for the discontinued FA14020B model. Providing 18kAIC at 277V, this MCCB is factory-configured for a B-phase connection and includes a visual 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, 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, Visual Trip Indicator |
Product FAQs
6 answersCan the BDA140203 replace older Square D FA frame breakers?
Yes, the PowerPacT B-Frame BDA140203 is a direct substitute for the discontinued FA14020B 1-pole circuit breaker in Square D I-Line panelboards.
How does the BDA140203 connect to the panelboard?
This breaker features a shrouded I-Line plug-on jaw on the line side for quick installation onto the panelboard bus, and a mechanical lug on the load side that accepts 14 AWG to 2/0 AWG aluminum or copper wire.
What does the D in the BDA140203 part number signify?
The D indicates the interrupting rating tier within the PowerPacT B-Frame family. For this model, it provides an 18kAIC rating at 480Y/277VAC and a 25kAIC rating at 240VAC.
Which phase is this 1-pole breaker configured for?
The BDA140203 is factory-configured for a B-phase connection on Square D I-Line panelboards and switchboards.
Does this breaker include a way to manually test the trip mechanism?
Yes, all PowerPacT B-Frame circuit breakers are equipped with an integral push-to-trip button on the cover, allowing you to manually trip the breaker for testing and maintenance.
What type of contact mechanism does the PowerPacT B-Frame use?
It utilizes dual-break rotating contacts, which help reduce the amount of peak current during a short circuit fault for enhanced system protection.
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