Designed for high-capacity electrical systems, this 225A molded case circuit breaker comes complete with line and load lugs for immediate wiring. The component integrates perfectly with ABB ReliaGear neXT panelboards and SB switchboards, acting as a functional substitute for the older T4L225TW series. Boasting a powerful 100kAIC rating at 480VAC alongside adjustable long-time and instantaneous trip functions, it ensures precise coordination for commercial power distribution networks.
ABB ReliaGear neXT Panelboards, ReliaGear SB Switchboards
Wire Gauge
4 AWG - 300 kcmil
Max Wire
300 kcmil
Min Wire
4 AWG
Protection and operation
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time, Instantaneous
Trip Adjustability
Adjustable Thermal, Adjustable Magnetic
Standards and features
Available Options
Shunt Trip, Auxiliary Switch, Undervoltage Release, Motor Operator
Accessories
Line and Load Lugs Included
Standards
CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval
CCC, CE, CSA, cULus, IEC, KEMA, UL
Temp Rating
-25C to 70C
Construction Features
HACR Rated, Current Limiting, Reverse Feed, Double Insulation
Product FAQs
5 answers
Which panelboards are compatible with the XT4LU3225BYJ000XXX circuit breaker?
This breaker is designed for use in ABB ReliaGear neXT power panelboards and ReliaGear SB switchboards. It features a plug-in line side connector for fast installation into the ReliaGear bus stack.
How is the XT4LU3225BYJ000XXX installed into ReliaGear neXT panelboards?
The breaker utilizes a modular, plug-in design with a spring-loaded primary disconnect clip. This allows it to be inserted directly into the field-reversible bus stack without the need for labor-intensive bolt-on strap kits.
How does the adjustable thermal-magnetic trip unit work on this breaker?
The XT4LU3225BYJ000XXX features an adjustable thermal and adjustable magnetic (TMA) trip unit. This allows you to fine-tune both the long-time (overload) and instantaneous (short-circuit) protection settings to match your specific application requirements.
Can this breaker replace older GE Spectra RMS breakers?
Yes, the ABB Tmax XT series, including this XT4 breaker, is the direct functional replacement for legacy GE Spectra RMS breakers. When used with the appropriate retrofit kit, it can upgrade existing Spectra panelboards and switchboards.
Is this a replacement for the legacy T4L225TW breaker?
Yes, the XT4LU3225BYJ000XXX acts as a functional substitute for the older T4L225TW series, ensuring seamless electrical upgrades in existing systems.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.