ABB T6L800 1SDA060299R1 Molded Case Circuit Breaker

1. Product Overview

The ABB T6L800 (1SDA060299R1) Molded Case Circuit Breaker (MCCB) is a high‑performance low‑voltage protection device designed to protect electrical circuits and equipment from overloads, short circuits, and other faults.
Featuring a thermal‑magnetic trip mechanism and modular design, this breaker provides reliable protection in industrial, commercial, and residential power distribution systems.

2. Technical Specifications

• Model: T6L800 (ABB code 1SDA060299R1)

• Type: Molded Case Circuit Breaker (MCCB)

• Brand: ABB

• Number of Poles: 3 poles (expandable to 4 with optional modules)

• Rated Operational Voltage (Ue): AC 380 V / 400 V / 415 V

• Rated Insulation Voltage (Ui): 800 V

• Rated Current (In): 800 A

• Breaking Capacity (Icu): 25 kA at AC 400 V

• Rated Short‑Time Withstand Current (Ics): 16 kA

• Trip Mechanism: Thermal‑magnetic

• Trip Characteristics: Adjustable short‑circuit trip setting

• Contact Structure: Main contacts with optional auxiliary/signal contacts

• Mounting Type: Panel or base mounting (depending on installation setup)

• Mechanical Life: > 10,000 operations

• Electrical Life: > 4,000 operations

• Ambient Temperature: ‑25 ℃ to +60 ℃

• Protection Class: IP20 (installed inside control/distribution cabinets)

• Standards Compliance: IEC/EN 60947‑2

3. Key Advantages & Features

1. Reliable Protection
   Thermal‑magnetic trip ensures accurate response to overload and short‑circuit conditions.

2. High Interrupting Capacity
   25 kA breaking capacity provides robust protection for most low‑voltage industrial systems.

3. Wide Voltage Adaptability
   Suited for 380–415 V AC systems in main or branch distribution applications.

4. Modular Expandability
   Optional auxiliary contacts, signal modules, and remote control accessories enhance functionality.

5. Durable and Robust
   High mechanical and electrical life for frequent operation and long‑term performance.

6. Easy Installation & Maintenance
   Compact design and standard mounting make installation in cabinets straightforward.

4. Typical Applications

• Low‑voltage main and branch distribution in industrial plants

• Commercial building power distribution

• Main circuit protection in distribution/control panels

• Overload/short‑circuit protection for motor groups and large machines

• Protection in low‑voltage side of generation systems (wind/solar)

• Critical power circuits in data centers and manufacturing

5. Installation & Usage Notes

1. Rated Matching
   Verify rated current and voltage match the load and system requirements before installation.

2. Correct Wiring
   Ensure secure and proper wiring of main and control circuits according to drawings and labeling.

3. Adequate Grounding
   Ensure proper grounding for safety and improved interference resistance.

4. Environment Conditions
   Install in dry, ventilated conditions; avoid humidity, dust build‑up, or corrosive fumes.

5. Routine Inspection
   Regularly inspect contact wear, terminal tightness, and breaker operation for reliable performance.

6. Auxiliary Modules
   Consider optional auxiliary/signal/remote modules for enhanced system integration.

The structure and details of the product：

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