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ABB XT1SU3040AFD000XXX Molded Case Circuit Breaker
- 40A
- 3 Pole
- Unit Mount
ABB
XT1SU3040AFD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1SU3040AFD000XXX
Quantity
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ABB XT1SU3040AFD000XXX - 40A 3 Pole Molded Case Circuit Breaker
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Description
Offering robust power distribution control, this 3-pole, 40A molded case circuit breaker is a key component of the ABB SACE Tmax XT family. It features a fixed thermal and magnetic trip unit, ensuring dependable protection for commercial facilities. Tailored for ABB SACE Tmax XT panelboards, it serves as a replacement for the legacy T1S040TW. The configuration includes factory-installed load side lugs that accommodate 10 AWG through 2/0 AWG wiring, while the line side uses flat terminals.Specifications
| Brand | ABB |
|---|---|
| Series | XT1 |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600Y/347VAC, 42kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ABB SACE Tmax XT Panelboards, Switchboards |
| Wire Gauge | 10 AWG - 2/0 AWG (Cu/Al) |
| Max Wire | 2/0 AWG |
| Min Wire | 10 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 |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, cULus, IEC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Double Insulated |
Product FAQs
8 answersWhich panelboards are compatible with the XT1SU3040AFD000XXX circuit breaker?
This unit-mount breaker is designed for integration into ABB SACE Tmax XT panelboards, ReliaGear neXT panels, and compatible ABB switchboards.
What legacy ABB circuit breaker does the XT1SU3040AFD000XXX replace?
This Tmax XT1 breaker serves as a direct replacement for the legacy ABB Tmax T1 series, specifically the T1S040TW molded case circuit breaker.
What wire sizes and materials are accepted by the factory-installed lugs?
The lugs accommodate 10 AWG through 2/0 AWG copper (Cu) or aluminum (Al) conductors. The wire size must be based on the ampacity of 75-degree Celsius rated wire.
Where can I find the correct tightening torque for the terminal lugs?
The required tightening torque values are printed directly on each terminal lug. Torque specifications vary depending on the exact cross-sectional area of the installed conductor.
What does the LI trip function code indicate on this XT1 breaker?
The LI code signifies that the thermal-magnetic trip unit provides Long-Time (L) protection for overloads and Instantaneous (I) protection for short circuits. Both the thermal and magnetic trip thresholds are fixed and non-adjustable.
What is the operating temperature range for this Tmax XT1 circuit breaker?
This breaker is rated for continuous operation in ambient air temperatures ranging from -25 degrees Celsius to 70 degrees Celsius. The reference temperature for the thermal trip unit calibration is 40 degrees Celsius.
What do the letters S and U signify in the XT1SU3040AFD000XXX part number?
In the ABB nomenclature, the S denotes the standard interrupting capacity tier for the XT1 frame, and the U indicates that the breaker is UL listed.
Is the XT1SU3040AFD000XXX suitable for reverse feed applications?
Yes, this thermal-magnetic circuit breaker supports reverse feed installations, allowing line power to be connected to either the top or bottom terminals.
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