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ABB 1SDA054126R1 TMAX T4S 320 Circuit Breaker | 3-Pole 400V 50kA MCCB

Name: ABB 1SDA054126R1 TMAX T4S 320A Circuit Breaker | 3P 400V 50kA MCCB
Brand: ABB
SKU: 1SDA054126R1
Price: 672.00 CNY
Availability: InStock

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SKU: 1SDA054126R1 DCS Distributed Control Systems ABB

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ABB 1SDA054126R1 TMAX T4S 320 Circuit Breaker | 3-Pole 400V 50kA MCCB

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SKU1SDA054126R1
CategoryDCS Distributed Control Systems
BrandABB
SupportAvailability, lead time, condition, and shipping coordination

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ABB TMAX T4S 320 Molded Case Circuit Breaker – Industrial-Grade Protection

The ABB 1SDA054126R1 TMAX T4S 320 represents cutting-edge circuit protection technology engineered for demanding industrial environments. This 3-pole molded case circuit breaker delivers reliable 400V operation with exceptional 50kA breaking capacity, ensuring comprehensive electrical system safeguarding.

Technical Specifications

Model: 1SDA054126R1
Series: TMAX T4S
Rated Current: 320A
Poles: 3-Pole Configuration
Rated Voltage: 400V AC
Breaking Capacity: 50kA at 400V
Terminal Type: Front Terminals (Fixed)
Release Type: Electronic Trip Unit
Mounting: Fixed Installation
Protection Class: IP20

Industrial Applications

This MCCB excels in power distribution systems across manufacturing facilities, commercial buildings, data centers, and infrastructure projects. Deploy it for motor control centers, switchgear assemblies, transformer protection, and main distribution boards where reliable overcurrent and short-circuit protection is critical.

Engineering Solutions

The TMAX T4S platform integrates seamlessly with building management systems through optional communication modules. Its electronic trip unit provides precise current monitoring, selective coordination capabilities, and adjustable protection curves to match your specific load requirements. The compact footprint optimizes panel space while maintaining full accessibility for maintenance operations.

Common Questions Answered

Q: What coordination studies are required?
A: Perform selective coordination analysis using ABB’s DOCWin software to ensure proper discrimination with upstream and downstream protective devices.

Q: Can I retrofit existing T4 installations?
A: Yes, the T4S maintains backward compatibility with T4 mounting dimensions and terminal configurations for straightforward upgrades.

Q: What auxiliary contacts are available?
A: Multiple auxiliary and alarm contact options support remote monitoring and SCADA integration requirements.

Q: How do I verify trip unit settings?
A: Use ABB’s Ekip Connect software for parameter configuration, testing, and documentation of protection settings.

Quality Assurance

Every unit undergoes rigorous factory testing per IEC 60947-2 standards. We back this product with a comprehensive 12-month warranty covering manufacturing defects and performance issues, plus lifetime technical support from our engineering team.

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