ABB 1SCA151255R1001 Automatic Transfer Switch

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1. Product Overview

The ABB 1SCA151255R1001 Automatic Transfer Switch (ATS) is a device designed to provide automatic power switching between main and backup sources. In case of main power failure or abnormal conditions, the ATS automatically transfers the load to a secondary power source, ensuring continuous power supply to critical equipment.

It is widely used in commercial, industrial, and infrastructure applications for distribution systems, backup generator systems, or UPS-assisted power switching, guaranteeing continuous power to essential loads.

2. Technical Specifications

• Model: 1SCA151255R1001

• Type: Automatic Transfer Switch (ATS)

• Rated Voltage: 400V AC

• Rated Frequency: 50/60 Hz

• Rated Current: 63 A

• Poles: 3P (three-pole)

• Operation Mode: Automatic / Manual bypass

• Mechanical Life: ≥ 10,000 operations

• Electrical Life: ≥ 5,000 transfers

• Switching Time: Typically 3–5 seconds

• Mounting: Panel or base mounting

• Operating Temperature: -5°C to +40°C

• Humidity Range: 5% – 95% (non-condensing)

• Protection Class: IP20 (higher enclosure rating optional)

• Indicators: Status display, fault alarm

• Compatibility: Compatible with main and backup power (generator or UPS)

• Standards & Certifications: Complies with IEC 60947-6-1

3. Features & Advantages

1. Reliable Automatic Switching
   Automatically transfers load to backup power within seconds when main power fails.

2. Multi-Mode Operation
   Supports both automatic mode and manual bypass for maintenance or emergency operation.

3. High Safety
   Electrical isolation, anti-misoperation design, and overload protection ensure safety for equipment and personnel.

4. Durable and Stable
   Robust mechanical and electrical design supports long-term, high-frequency switching.

5. Easy Installation & Maintenance
   Modular design allows quick installation, clear wiring, and simple maintenance.

4. Typical Applications

• Backup power for commercial buildings and offices

• Critical power supply for hospitals and medical equipment

• Data centers and server rooms

• Industrial production lines and automation equipment

• Telecom base stations and infrastructure power

• UPS-assisted power switching

5. Installation & Safety Notes

1. Power Off Before Installation
   Ensure all power sources are disconnected before installation or maintenance.

2. Correct Wiring
   Connect main, backup, and load lines according to the manual to prevent misoperation.

3. Regular Inspection
   Periodically check mechanical parts, electrical contacts, and indicators for reliable operation.

4. Environmental Requirements
   Install in dry, ventilated areas free from dust and corrosive gases.

5. Load Matching
   Ensure ATS rated current matches the connected load to avoid overloading or damage.

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