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ABB XT1SU3070AFD000XXX Molded Case Circuit Breaker
- 70A
- 3 Pole
- Unit Mount
ABB
XT1SU3070AFD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1SU3070AFD000XXX
Quantity
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ABB XT1SU3070AFD000XXX - 70A 3 Pole Molded Case Circuit Breaker
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Description
Delivering robust protection, the XT1SU3070AFD000XXX is a 3-pole, 70A MCCB from ABB's SACE Tmax XT family. It meets the rigorous demands of industrial infrastructure. Designed for unit mount configurations, it installs into ReliaGear SB switchboards and enclosures. It serves as a direct replacement for discontinued T1S070TL breakers. The breaker features a fixed thermal-magnetic trip unit with a 35 kAIC rating at 480VAC. It is HACR rated, current limiting, and includes load side lugs.Specifications
| Brand | ABB |
|---|---|
| Series | XT1 |
| Amperage | 70A |
| 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 | ReliaGear SB Switchboards, Enclosures |
| 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, Motor Operator |
|---|---|
| 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, Current Limiting, Reverse Feed, Double Insulated |
Product FAQs
8 answersHow is this breaker mounted in ReliaGear SB switchboards?
It utilizes a unit mount configuration, allowing it to be bolted directly into ABB and GE ReliaGear SB switchboards or compatible standalone enclosures.
What legacy breaker does the XT1SU3070AFD000XXX replace?
This model serves as a direct replacement for the discontinued GE and ABB T1S070TL circuit breakers.
Is this breaker rated for HVAC equipment?
Yes, it carries a HACR rating, meaning it is certified for use with heating, air conditioning, and refrigeration systems.
What does the LI trip function indicate on this breaker?
The LI designation means the fixed thermal-magnetic trip unit provides both Long-Time overload protection and Instantaneous short-circuit protection.
Do I need to purchase separate lugs for this breaker?
No, it comes standard with load side lugs that accept 10 AWG to 2/0 AWG copper or aluminum wiring, making it ready for immediate installation.
Is this XT1 breaker current limiting?
Yes, it features a current-limiting design that restricts the peak let-through current during a fault, providing enhanced protection for downstream circuits.
Can this breaker be reverse fed?
Yes, this breaker is reverse feed capable, allowing you to wire the line connections to either the top or bottom terminals depending on your panel layout.
What does the S in the XT1S frame designation mean?
The S indicates a standard interrupting capacity, which provides a 35 kAIC rating at 480VAC for this specific model.
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