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ABB XT1HU3070AFD000XXX Molded Case Circuit Breaker
- 70A
- 3 Pole
- Unit Mount
ABB
XT1HU3070AFD000XXX
Molded Case Circuit Breaker
Brand
ABB
SKU
XT1HU3070AFD000XXX
Quantity
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ABB XT1HU3070AFD000XXX - 70A 3 Pole Molded Case Circuit Breaker
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Description
The XT1HU3070AFD000XXX is a 3-pole, 70A molded case circuit breaker for commercial power systems. Operating within the SACE Tmax XT1 frame, it provides robust overcurrent protection with a fixed thermal-magnetic (LI) trip unit and a 65kAIC rating at 480VAC. Designed for unit mount installation, this MCCB integrates into ABB SACE Tmax XT panelboards and switchboards. It includes load side lugs and replaces legacy Tmax T1 series breakers. The breaker is HACR rated and current-limiting.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 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 Included |
| 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, Double Insulated |
Product FAQs
5 answersWhat enclosures are designed to accept the XT1HU3070AFD000XXX?
This unit mount breaker is intended for use in ABB SACE Tmax XT panelboards and switchboards.
What wire sizes are supported by the terminals on this XT1 breaker?
The standard lugs accept copper (Cu) or aluminum (Al) wire ranging from 10 AWG to 2/0 AWG.
What type of trip unit is installed in this breaker?
It is equipped with a thermal magnetic trip unit featuring fixed thermal and fixed magnetic settings for Long-Time and Instantaneous (LI) protection.
How is the XT1HU3070AFD000XXX secured within a panel?
As a unit mount breaker, it bolts directly to the mounting pan or chassis of the panelboard or switchboard, rather than plugging into a busbar.
Can this molded case circuit breaker be used in DC systems?
Yes, it is rated for DC applications and provides a 50kA interrupting capacity at both 250VDC and 500VDC.
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