Product Short Description
Product Introduction
The ABB SACE TMAX T3N225 is a high‑performance, 3‑pole molded case circuit breaker purpose‑built for reliable power distribution and equipment protection in industrial, commercial, and infrastructure applications. It belongs to ABB’s TMAX T3 series, renowned for robust design, precise protection, and long‑term operational durability. Engineered to safeguard electrical systems against overloads, short circuits, and other abnormal conditions, the T3N225 ensures personnel safety, prevents equipment damage, and minimizes downtime in demanding environments. Its compact form factor optimizes panel space utilization, while flexible mounting options and comprehensive compatibility make it suitable for new installations and retrofits alike. Compliant with global standards such as UL 489 and CSA C22.2, the T3N225 delivers consistent performance across diverse operational scenarios, serving as a critical component in modern electrical distribution networks[15].
Description
Technical Specifications
Core Electrical Specifications
| Parameter | Specification |
|---|---|
| Rated Current (In) | 225 A |
| Poles | 3-Pole |
| Rated Operational Voltage | AC 400/690 V (3-phase); AC 230 V (single-phase); 500 V DC |
| Rated Frequency | 50 Hz / 60 Hz |
| Rated Short-Circuit Withstand Capacity (Icu/Ics) | AC 400 V: 50–100 kA (Icu); Ics = 50–100% of Icu (configurable) |
| Short-Circuit Breaking Rating (UL/CSA) | 240 V AC: 50 kA; 480 V AC: 25 kA; 600Y/347 V AC: 10 kA |
| Trip Unit Type | Thermal-Magnetic (TM) |
| Adjustment Range | 100–225 A (overload protection) |
| Instantaneous Trip Setting | 10×In–20×In (user-configurable) |
Mechanical & Durability Specifications
| Parameter | Specification |
|---|---|
| Mechanical Life | ≥25,000 operations |
| Electrical Life | ≥10,000 operations at rated load |
| Mounting Type | Fixed (front terminals) |
| Dimensions (W×H×D) | 105 mm × 150 mm × 70 mm |
| Net Weight | 1.7 kg |
| Tightening Torque (Main Terminals) | 8 N·m |
| Connection Capacity | Busbar: 85–192 mm² |
| Opening Time | 15 ms (with Shunt Trip / Under-Voltage Release) |
Environmental & Standards Compliance
| Parameter | Specification |
|---|---|
| Operating Temperature | -25 °C to +70 °C |
| Storage Temperature | -40 °C to +85 °C |
| Humidity | 5–95% RH, non-condensing |
| Protection Class | IP30 (base); IP40 (with cover) |
| Altitude | ≤2,000 m |
| Certifications | UL 489, CSA C22.2, IEC 60947-2 |
Power & Auxiliary Specifications
| Parameter | Specification |
|---|---|
| Power Loss (Per Pole) | ≤14.4 W (rated operating conditions) |
| Auxiliary Power Supply | 110–220 V AC / 24–250 V DC (compatible with optional accessories) |
| Accessory Compatibility | Shunt Trip (SOR), Under-Voltage Release (UVR), Auxiliary Switches, Alarm Switches |
Key Features
Precision Protection
- Thermal-Magnetic Trip Unit: Combines thermal overload protection (for gradual current rises) and magnetic short-circuit protection (for rapid fault detection), ensuring fast, accurate tripping to isolate faults instantly.
- Adjustable Trip Settings: Overload current range (100–225 A) and instantaneous trip threshold (10×In–20×In) allow customization to match specific load characteristics, optimizing protection sensitivity and selectivity.
- Selective Coordination: Enables tiered tripping to isolate only the faulty circuit, minimizing downtime and preserving power to non-affected loads.
Robust & Durable Design
- High Short-Circuit Withstand: Rated up to 100 kA at 400 V AC, the T3N225 safely interrupts high fault currents to prevent catastrophic system damage.
- Long Service Life: Mechanical life of 25,000 operations and electrical life of 10,000 operations ensure reliable performance over decades, reducing maintenance costs.
- Compact Form Factor: 105 mm width maximizes panel space efficiency, making it ideal for tight electrical enclosures.
Flexible Integration
- Versatile Mounting: Fixed front-terminal design supports direct panel or DIN-rail mounting, simplifying installation and retrofits.
- Comprehensive Accessory Support: Compatible with shunt trips, under-voltage releases, auxiliary switches, and alarm contacts to enable remote control, status monitoring, and fault indication.
- Wide Voltage Compatibility: Supports AC and DC systems up to 690 V AC and 500 V DC, adapting to diverse industrial power architectures.
Industrial-Grade Reliability
- Harsh Environment Tolerance: Operates reliably across wide temperature (-25 °C to +70 °C) and humidity ranges, ensuring performance in extreme industrial conditions.
- Global Standards Compliance: UL/CSA/IEC certifications guarantee adherence to international safety and quality requirements, suitable for worldwide applications.
- Low Maintenance: Sealed, maintenance-free design reduces operational costs and ensures long-term trouble-free service.
Application Scenarios
Industrial Manufacturing
- Automotive Plants: Protects assembly lines, robotic systems, paint shops, and powertrain equipment from overloads and short circuits.
- Metal Processing: Safeguards rolling mills, furnaces, and material handling systems in steel, aluminum, and copper production facilities.
- Chemical & Petrochemical Plants: Defends continuous processing lines, reactors, and pumps against electrical faults to prevent production downtime and safety hazards.
- Food & Beverage Processing: Ensures reliable power for packaging, bottling, and processing lines, maintaining hygiene and production efficiency.
Commercial Buildings
- High-Rise Buildings: Distributes power to elevators, HVAC systems, lighting, and critical infrastructure in commercial towers.
- Shopping Malls & Retail Centers: Protects lighting, escalators, ventilation, and point-of-sale systems.
- Hospitals & Healthcare Facilities: Safeguards life-support equipment, operating theaters, and diagnostic systems with reliable power distribution.
- Hotels & Resorts: Powers lighting, air conditioning, kitchen equipment, and guest room systems.
Infrastructure & Utilities
- Power Generation: Protects auxiliary systems in thermal, hydro, and renewable energy power plants.
- Transmission & Distribution Substations: Safeguards control systems, transformers, and switchgear in grid infrastructure.
- Water & Wastewater Treatment Plants: Defends pumps, aeration systems, and filtration equipment from electrical faults.
- Transportation: Supports railway signaling, airport lighting, and port cargo handling systems.
Oil & Gas Operations
- Offshore Platforms: Protects drilling equipment, production systems, and utility networks in harsh marine environments.
- Refineries & Pipelines: Safeguards processing units, compressors, and pipeline control systems.
- LNG Terminals: Ensures reliable power for cryogenic processing and storage facilities.
Data Centers & Critical Infrastructure
- Enterprise Data Centers: Distributes power to servers, cooling systems, and UPS systems, ensuring uninterrupted operation.
- Telecommunication Hubs: Protects network switching equipment and data centers from electrical faults.
- Financial Institutions: Safeguards transaction systems, data centers, and critical office infrastructure.
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