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Square D BDA160253 Molded Case Circuit Breaker
- 25A
- 1 Pole
- I-Line
Square D
BDA160253
Molded Case Circuit Breaker
Brand
Square D
SKU
BDA160253
Quantity
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Square D BDA160253 - 25A 1 Pole Molded Case Circuit Breaker
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Description
Built for industrial and commercial power distribution, the BDA160253 is a 1-pole, 25-amp molded case circuit breaker from the Square D PowerPacT B-Frame series. It provides robust long-time and instantaneous (LI) thermal-magnetic trip functions and features a Phase B connection. Designed for seamless integration, it installs into Square D I-Line panelboards and switchboards, replacing the older FA16025B model.Specifications
| Brand | Square D |
|---|---|
| Series | BDA |
| Amperage | 25A |
| Poles | 1 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 600Y/347VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC, 18kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 10kA @ 125VDC |
| 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 | Load Side Lugs Included |
| Standards | CSA C22.2 No 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, EAC, IEC, NOM, RoHS, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
7 answersDoes the BDA160253 replace older Square D FA series breakers?
Yes. The PowerPacT B-Frame series is the modern replacement for legacy F-Frame (FA and FH) circuit breakers. The BDA160253 directly replaces older 25A, 1-pole FA breakers like the FA16025B in I-Line panelboards, fitting into the same mounting space.
How does the BDA160253 connect to the busbar in an I-Line panelboard?
It utilizes a plug-on I-Line connection with blow-on type line-side jaws. During a short circuit, the increased magnetic flux causes the jaws to grip the busbar even tighter, ensuring a secure electrical connection under fault conditions.
Which phase is the BDA160253 configured for?
This specific catalog number is factory-configured for a Phase B connection in Square D I-Line panelboards and switchboards. For Phase A or Phase C, alternate part numbers like BDA160251 or BDA160255 are required.
Can the BDA160253 be used in DC power applications?
Yes, this thermal-magnetic breaker is rated for use in DC systems up to 125VDC, where it provides a 10kA interrupting rating.
How can I manually test the mechanical operation of the BDA160253?
The breaker features an integral push-to-trip button on the front cover. Pressing this button manually trips the breaker, allowing you to verify the internal operating mechanism is functioning correctly as part of regular preventive maintenance.
What does the D in the BDA160253 part number signify?
In the PowerPacT B-Frame nomenclature, the D indicates the interrupting capacity tier. For this breaker, it signifies a maximum rating of 25kA at 240VAC, 18kA at 480Y/277VAC, and 14kA at 600Y/347VAC.
What wire sizes are accepted by the load-side lugs on this breaker?
The factory-installed mechanical lugs accept wire sizes ranging from 14 AWG to 2/0 AWG. They are dual-rated for use with either aluminum or copper conductors.
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