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Square D BDA140205 Molded Case Circuit Breaker
- 20A
- 1 Pole
- I-Line
Square D
BDA140205
Molded Case Circuit Breaker
Brand
Square D
SKU
BDA140205
Quantity
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Square D BDA140205 - 20A 1 Pole Molded Case Circuit Breaker
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Description
Delivering current-limiting performance, the Square D BDA140205 provides exceptional thermal-magnetic protection. This 1-pole, 20A MCCB is a key component of the PowerPacT B-Frame lineup. It is engineered to mount into Square D I-Line panelboards and switchboards. Facility managers can use this unit to replace the older FA14020 breaker. With an 18kAIC rating at 277V, this breaker features a C-phase connection, HACR certification, and a Visi-Trip indicator for easy maintenance.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, Square D I-Line 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 |
|---|---|
| Accessories | Phase Connection C (Factory Configured) |
| 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 |
Product FAQs
8 answersCan the PowerPacT BDA140205 replace older Square D F-frame breakers?
Yes, PowerPacT B-frame I-Line circuit breakers are designed to replace legacy FA and FH series breakers in Square D I-Line panelboards and switchboards. They maintain the same mounting space dimensions to allow for easy retrofitting.
What is the recommended tightening torque for the load side lug on the BDA140205?
For the mechanical lug, the required tightening torque is 32 to 39 lb-in (3.6 to 4.4 N.m) for 14 to 10 AWG wire, and 44 to 55 lb-in (5 to 6.2 N.m) for 8 to 2/0 AWG wire.
How does the I-Line mounting work on this circuit breaker?
The BDA140205 features a shrouded I-Line plug-on jaw on the line side that connects directly to the panelboard bus, and a mechanical lug on the load side for wire termination.
What does the '5' at the end of the BDA140205 catalog number indicate?
The '5' indicates that this 1-pole breaker is factory configured for a C-phase connection on the I-Line bus.
What does the 'D' in the BDA140205 part number represent?
In the PowerPacT B-frame nomenclature, the 'D' designates the interrupting rating tier. For this breaker, it signifies a breaking capacity of 18 kAIC at 480Y/277VAC and 25 kAIC at 240VAC.
Is the BDA140205 rated for 100 percent continuous current?
No, this is a standard-rated circuit breaker. Per NEC guidelines, it is designed to be applied continuously at up to 80 percent of its 20A rating.
Does this breaker include a push-to-trip feature?
Yes, all PowerPacT B-frame circuit breakers include an integral push-to-trip button on the cover to manually trip the breaker and verify the mechanical operation of the trip mechanism.
Is the BDA140205 suitable for HVAC applications?
Yes, this circuit breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
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