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ABB XT1NU3070AYD000XXX Molded Case Circuit Breaker
- 70A
- 3 Pole
- Unit Mount
ABB
XT1NU3070AYD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1NU3070AYD000XXX
Quantity
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ABB XT1NU3070AYD000XXX - 70A 3 Pole Molded Case Circuit Breaker
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70A 3 Pole Molded Case Circuit Breaker
70A 3 Pole Molded Case Circuit Breaker
70A 3 Pole Molded Case Circuit Breaker
Description
Built to integrate seamlessly with modern infrastructure, this 70A molded case breaker is optimized for ABB ReliaGear neXT panelboards and SB switchboards. It serves as an excellent upgrade path for facilities transitioning from legacy Tmax T1 series equipment. The unit features a fixed thermal-magnetic trip mechanism for precise long-time and instantaneous fault response. With a 50kAIC rating at 240VAC, this HACR-rated component comes standard with load-side lugs for immediate wiring.Specifications
| Brand | ABB |
|---|---|
| Series | XT1 |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 50kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600Y/347VAC, 36kA @ 250VDC, 36kA @ 500VDC |
| Frame Type | XT1 |
|---|---|
| Terminal Type | Lugs |
| For Use With | ABB ReliaGear neXT Panelboards, ReliaGear SB Switchboards |
| Wire Gauge | 10 AWG - 2/0 AWG |
| 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 | Auxiliary Switch, Shunt Trip, Undervoltage Release, Alarm Switch, Lug Kits |
|---|---|
| Accessories | Load Side Lugs (Kit FC CuAl 10-2/0 AWG) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, cULus, IEC, KEMA, RINA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, Double Insulated |
Product FAQs
6 answersWhich panelboards are compatible with the XT1NU3070AYD000XXX circuit breaker?
This XT1 frame breaker is designed for use with ABB ReliaGear neXT Panelboards and ReliaGear SB Switchboards.
What wire sizes do the factory-installed lugs on this breaker accept?
The lugs on this 70A breaker accept wire ranging from 10 AWG to 2/0 AWG.
Can the XT1NU3070AYD000XXX be used in DC electrical systems?
Yes, this thermal-magnetic breaker is rated for DC applications, providing up to 36kA interrupting capacity at both 250VDC and 500VDC.
Are the trip settings adjustable on this 70A breaker?
No, this breaker features a fixed thermal and fixed magnetic trip unit, meaning the long-time and instantaneous protection settings cannot be adjusted in the field.
What does the N signify in the XT1NU3070AYD000XXX catalog number?
In the ABB SACE Tmax XT nomenclature, the N indicates a Normal interrupting capacity, which corresponds to 25kA at 480VAC for the XT1 frame.
How is this ABB XT1 breaker mounted?
It is a unit-mount breaker, meaning it is designed to be bolted directly to a backpan or mounting plate rather than plugging onto a busbar.
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