Part of the SACE Tmax XT family, the ABB XT1HU3030AFD000XXX is a 3-pole, 30A unit mount molded case circuit breaker. It utilizes a fixed thermal-magnetic trip unit to deliver consistent long-time and instantaneous (LI) overcurrent protection for commercial and industrial facilities. This breaker mounts into ABB ReliaGear NeXT panelboards and ReliaGear SB switchboards. It includes line and load lugs for 10-2/0 AWG wire and replaces the legacy T1H030TL. It provides a high 65kAIC rating at 480VAC.
ABB ReliaGear NeXT Panelboards, ReliaGear SB Switchboards
Wire Gauge
10 AWG - 2/0 AWG (Cu/Al)
Max Wire
2/0 AWG
Min Wire
10 AWG
Protection and operation
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time, Instantaneous
Trip Adjustability
Fixed Thermal, Fixed Magnetic
Standards and features
Available Options
Shunt Trip, Auxiliary Switch, Undervoltage Release, Motor Operator, Padlock Attachment
Accessories
Line and Load Lugs Included
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, Reverse Feed, Double Insulated
Product FAQs
5 answers
Which panelboards are compatible with the XT1HU3030AFD000XXX breaker?
This unit mount breaker is designed for installation in ABB ReliaGear NeXT Panelboards and ReliaGear SB Switchboards.
Are the thermal and magnetic trip settings adjustable on this model?
No. It features a fixed thermal and fixed magnetic (LI) trip unit, meaning the long-time and instantaneous protection thresholds are factory set and cannot be modified in the field.
What type of conductors are permitted for the factory lugs?
The standard lugs accept both copper (Cu) and aluminum (Al) wire, accommodating sizes from 10 AWG up to 2/0 AWG.
Can the XT1HU3030AFD000XXX be utilized in direct current systems?
Yes, it is rated for DC applications up to 250VDC, providing an interrupting capacity of 50kA at that voltage.
What does the H in the XT1H prefix indicate for this ABB breaker?
The H designates the High interrupting capacity tier within the SACE Tmax XT family, which corresponds to its 65kA rating at 480VAC.
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