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Eaton / Cutler-Hammer DNBA1515 Tandem Miniature Circuit Breaker
- 15A
- 1 Pole
- Bolt-On
Eaton / Cutler-Hammer
DNBA1515
Tandem Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
DNBA1515
Quantity
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Eaton / Cutler-Hammer DNBA1515 - 15A Tandem Miniature Circuit Breaker
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Description
Engineered for commercial and industrial environments, this space-saving component supplies two independent 15A circuits from a single one-inch breaker slot. It fastens into Eaton, Cutler-Hammer, Westinghouse, Bryant, and Challenger bolt-on panelboards. The thermal-magnetic mechanism ensures accurate response to overcurrent events while maintaining a 10kAIC rating. Load side lugs are included for streamlined wiring, and the unit is fully HACR and SWD rated for specialized applications.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | DNBA |
| Amperage | 15A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | BAB |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Eaton / Cutler-Hammer Bolt-On Panelboards, Westinghouse Bolt-On Panelboards, Bryant Bolt-On Panelboards, Challenger Bolt-On Panelboards |
| Wire Gauge | 14-4 AWG |
| Max Wire | 4 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Special Classification | Tandem |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, SWD Rated, Tandem |
Product FAQs
7 answersWhat panelboards are compatible with the Eaton DNBA1515?
This bolt-on tandem breaker is designed for use in Eaton, Cutler-Hammer, Westinghouse, Bryant, and Challenger bolt-on panelboards that accept BAB frame breakers.
How many circuits does the DNBA1515 provide?
As a tandem breaker, it supplies two independent 15-amp circuits from a single one-inch breaker slot. This allows you to maximize space in compatible bolt-on panelboards without adding a subpanel.
Is the DNBA1515 interchangeable with plug-on BR tandem breakers?
No. While it shares some characteristics with the BR family, the DNBA1515 is a BAB frame breaker with a bolt-on connection. It will not fit in standard plug-on load centers.
Can the DNBA1515 replace older Westinghouse or Bryant breakers?
Yes. Eaton acquired the Cutler-Hammer, Westinghouse, and Bryant distribution equipment lines. The DNBA1515 is the direct replacement for older tandem bolt-on breakers in those legacy panels.
Does the DNBA1515 require a specific mounting method?
Yes, it features a bolt-on connection. It must be securely bolted directly to the panelboard bus bar rather than pushed on, ensuring a highly reliable connection typical of commercial or industrial applications.
What wire sizes are accepted by the lugs on this breaker?
The box lugs on the DNBA1515 are designed to accept wiring ranging from 14 AWG to 4 AWG. Always verify that your conductors are properly sized for a 15-amp circuit and torqued to manufacturer specifications.
How does the LI trip function operate on this breaker?
The LI designation stands for Long Time and Instantaneous trip functions. The thermal component provides long time protection against sustained overloads, while the magnetic component offers instantaneous protection against short circuits.
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