Square D SDT260 Miniature Circuit Breaker
- 60A
- 2 Pole
- Plug-On
Quantity
Square D SDT260 - 60A 2 Pole Miniature Circuit Breaker
Re-Certified
Quantity
Description
Part of the discontinued Trilliant family, the Square D SDT260 delivers 60 amps of thermal-magnetic protection for residential applications. It is designed to supply power to 240V appliances like electric ranges or HVAC equipment. This plug-on breaker mounts exclusively into legacy Square D Trilliant load centers. It serves as a direct replacement component to keep existing panelboards operational. Rated 10 kAIC, it features the signature Visi-Trip indicator to easily spot tripped circuits.Specifications
| Brand | Square D |
|---|---|
| Series | SDT |
| Amperage | 60A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | Square D Trilliant Load Centers |
| Wire Gauge | 8-2 AWG |
| Max Wire | 2 AWG |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Standards | UL 489 |
|---|---|
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator |
Product FAQs
7 answersCan I install the SDT260 in a Square D QO or Homeline panel?
No. The SDT260 is specifically designed for legacy Square D Trilliant load centers. It is not interchangeable with QO or Homeline circuit breakers, even though they are all manufactured by Schneider Electric.
Is the Square D Trilliant SDT series still in active production?
No. The Trilliant load center and breaker family has been discontinued. The SDT260 serves as an exact replacement component to maintain existing Trilliant panelboards.
What types of loads is the SDT260 typically used for?
A 60A, 2-pole breaker is commonly used to supply 240V power to heavy residential loads such as large electric ranges, subpanels, or high-capacity HVAC equipment.
How does the Visi-Trip indicator function on the SDT260?
The Visi-Trip indicator provides a high-visibility visual cue when the breaker trips due to an overcurrent or short circuit. This allows electricians to quickly identify the faulted circuit in the panel.
What does the LI trip function provide on the SDT260?
The LI (Long-Time, Instantaneous) thermal-magnetic trip mechanism provides dual protection. The long-time function responds to gradual overloads, while the instantaneous function quickly clears severe short circuits.
Does the SDT260 require mounting hardware to install?
No. As a plug-on breaker, it snaps directly onto the busbar of a compatible Square D Trilliant load center without the need for mounting screws or bolt-on hardware.
Is the SDT260 UL listed for use in Trilliant panels?
Yes, it is a UL 489 listed molded case circuit breaker approved for use as a direct replacement in Square D Trilliant load centers.
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