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ABB XT1HU3070AYD000XXX Molded Case Circuit Breaker
- 70A
- 3 Pole
- Unit Mount
ABB
XT1HU3070AYD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1HU3070AYD000XXX
Quantity
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ABB XT1HU3070AYD000XXX - 70A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for modern power distribution, the XT1HU3070AYD000XXX is a 3-pole, 70A molded case circuit breaker from the ABB Tmax XT1 family. It utilizes a fixed thermal-magnetic (LI) trip unit to deliver consistent protection with a 65kAIC rating at 480VAC. This unit mount MCCB is tailored for ABB ReliaGear neXT panelboards and SB switchboards. It includes a line side connector and load side lugs, replacing the legacy T1H070TW. The breaker is HACR rated and reverse feed capable.Specifications
| Brand | ABB |
|---|---|
| Series | XT1 |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 50kA @ 250VDC, 50kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ABB ReliaGear neXT Panelboards, ABB ReliaGear SB Switchboards, ABB SACE Tmax XT 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 | Auxiliary Switch, Shunt Trip, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Line Side Connector (1SDA114241R1), Load Side Lugs (1SDA075837R1) |
| 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, Double Insulated, Reverse Feed, High Interrupting Capacity |
Product FAQs
5 answersWhich ABB enclosures and panelboards are compatible with the XT1HU3070AYD000XXX?
This unit-mount circuit breaker is designed to integrate seamlessly with ABB ReliaGear neXT Panelboards, ReliaGear SB Switchboards, and SACE Tmax XT Enclosures.
Are the lugs included with this XT1 frame breaker, and what wire sizes do they accept?
Yes, the breaker includes factory terminals that accommodate both copper and aluminum conductors ranging from 10 AWG up to 2/0 AWG.
Can the XT1HU3070AYD000XXX be applied in direct current (DC) systems?
Yes, it carries direct current ratings alongside its standard alternating current specifications. It provides a 50kA interrupting capacity at both 250VDC and 500VDC.
Does this thermal magnetic breaker allow for field adjustments to the trip curve?
No, this unit relies on fixed thermal and fixed magnetic trip elements for its long-time and instantaneous (LI) protection. The trip characteristics cannot be modified in the field.
What interrupting capacity tier does the H in the XT1HU3070AYD000XXX part number represent?
The H designates a High interrupting rating within the SACE Tmax XT family. This specific classification provides up to 100kA of fault clearing capability at 240VAC and 65kA at 480VAC.
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