ABB XT4SU3150AY8000XXX Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
ABB
XT4SU3150AY8000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT4SU3150AY8000XXX
Quantity
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ABB XT4SU3150AY8000XXX - 150A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial applications, the ABB XT4SU3150AY8000XXX is a 3-pole molded case circuit breaker from the SACE Tmax XT family. It provides reliable overcurrent protection with a fixed thermal-magnetic trip unit. This unit mount MCCB installs into ABB ReliaGear neXT panelboards and SB switchboards. It also serves as an exact replacement for legacy Tmax T4S150TW breakers when paired with a retrofit kit. Rated 150A and 600VAC, it features a 35kAIC rating at 480V and includes lugs.Specifications
| Brand | ABB |
|---|---|
| Series | XT4 |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC, 600VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600Y/347VAC, 22kA @ 600VAC, 42kA @ 250VDC, 50kA @ 600VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ABB ReliaGear neXT Panelboards, ABB ReliaGear SB Switchboards |
| Wire Gauge | 3/0 AWG - 350 kcmil (Cu/Al) |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 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, Motor Operator, Handle Lock |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CSA, cULus, IEC, KEMA, RINA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
5 answersWhich panelboards and switchboards accept the XT4SU3150AY8000XXX breaker?
This unit mount molded case circuit breaker is designed specifically for integration with ABB ReliaGear neXT Panelboards and ABB ReliaGear SB Switchboards.
What wire sizes and materials are supported by the lugs on this breaker?
The factory-installed lugs accept wire gauges ranging from 3/0 AWG up to 350 kcmil. They are rated for use with both copper (Cu) and aluminum (Al) conductors.
How is the trip unit configured on this Tmax XT4 breaker?
It features a thermal-magnetic trip unit providing Long-Time (L) and Instantaneous (I) protection. Both the thermal and magnetic trip thresholds are fixed and cannot be adjusted in the field.
Is this breaker rated for direct current (DC) applications?
Yes, it carries DC interrupting ratings of 42kA at 250VDC and 50kA at 600VDC, making it suitable for specific DC distribution systems alongside standard AC applications.
Does this breaker plug into a busbar or require bolt-on connections?
The XT4SU3150AY8000XXX is a unit mount breaker. It does not plug into a busbar; it requires hardwired connections to the lugs and is typically bolted or mounted directly to the panel chassis or a mounting plate.
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