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ABB XT1SU3090AFD000XXX Molded Case Circuit Breaker
- 90A
- 3 Pole
- Unit Mount
ABB
XT1SU3090AFD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1SU3090AFD000XXX
Quantity
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ABB XT1SU3090AFD000XXX - 90A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial applications, the ABB XT1SU3090AFD000XXX is a 3-pole, 90A molded case circuit breaker from the SACE Tmax XT family. It provides robust overcurrent protection for demanding electrical systems. This unit mount breaker installs into ABB SACE Tmax XT panelboards and switchboards. It also replaces the legacy T1S090TW. Featuring a fixed thermal-magnetic trip unit, this MCCB delivers a 35kA interrupting rating at 480VAC.Specifications
| Brand | ABB |
|---|---|
| Series | XT1 |
| Amperage | 90A |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
6 answersWhat type of mounting does the XT1SU3090AFD000XXX require?
This breaker is a unit-mount device. It bolts directly to the backpan or mounting plate in compatible switchboards and panelboards rather than plugging onto a busbar.
Which panelboards are compatible with this 90A breaker?
It is designed for use in ABB SACE Tmax XT panelboards and standard switchboards that accommodate unit-mount XT1 frames.
What wire sizes and materials are accepted by the standard lugs on this breaker?
The factory-installed lugs accept copper or aluminum conductors ranging from 10 AWG to 2/0 AWG.
What type of trip unit is installed in the XT1SU3090AFD000XXX?
It features a thermal-magnetic trip unit with fixed thermal and fixed magnetic settings, providing Long-Time and Instantaneous (LI) protection.
Can this breaker be used in DC applications?
Yes, it is rated for DC systems up to 250 VDC with a maximum interrupting capacity of 42kA.
What precautions are required before installing this XT1 frame breaker?
Always de-energize the panelboard or switchboard before installation. Verify that the available fault current at the line terminals does not exceed the breaker's interrupting ratings, such as 35kA at 480VAC or 65kA at 240VAC.
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