Description
The ABB XT5HU340ADNN000XXX is a heavy-duty XT5H-D series molded case circuit breaker engineered to deliver dependable overcurrent and short-circuit protection in commercial and industrial electrical systems, including HVAC power distribution panels and mechanical room applications.
Built on ABB’s proven Tmax XT platform, this 3-pole, 400-amp breaker is designed for high-performance environments where reliable protection and long service life are critical. Its robust molded case construction resists harsh conditions, making it well-suited for demanding mechanical and electrical installations.
Key Features
- 400A continuous current rating for high-capacity circuit protection
- 3-pole configuration for three-phase power distribution applications
- XT5H-D series — part of ABB’s Tmax XT molded case circuit breaker family
- Molded case design provides superior arc containment and mechanical durability
- Suitable for commercial and industrial HVAC, mechanical, and electrical panel applications
- Compact footprint supports space-efficient panel layouts
- ABB quality engineering for consistent, long-term reliability
Applications
- Commercial HVAC power distribution and protection
- Industrial electrical panels and switchgear
- Mechanical room main and branch circuit protection
- Motor and equipment feeder circuit protection
Product Specifications
- Brand: ABB
- Series: Tmax XT / XT5H-D
- Rated Current: 400A
- Poles: 3
- SKU: XT5HU340ADNN000XXX
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