ABB 1SAZ421201R1002 Thermal overload relay

Product Information: ABB 1SAZ421201R1002 Thermal Overload Relay

Detailed Specifications:

• Model: 1SAZ421201R1002

• Type: Thermal Overload Relay

• Rated Current Range: 0.1 A to 1 A

• Operating Voltage: 24 V to 690 V AC

• Protection Type: Thermal overload protection

• Rated Power: 0.1 kW to 0.75 kW (depending on load current)

• Mounting Type: DIN rail mount

• Adjustment Range: 0.1 A to 1 A

• Dimensions: 45 x 90 x 110 mm

• Weight: 0.25 kg

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

• Ingress Protection: IP20

• Response Time: Adjustable response time to suit different operating conditions

• Certifications: CE

Product Advantages and Features:

1. Precise Overload Protection: The thermal overload relay provides reliable protection against overloads by accurately sensing the current, preventing damage caused by excessive current in motors or electrical equipment.

2. Wide Adjustment Range: With an adjustable range of 0.1 A to 1 A, it can be tailored to different current requirements, providing optimal protection based on specific load needs.

3. High Reliability: Built with durable materials and advanced design, ensuring long-term stable performance during extended operation.

4. Easy Installation: DIN rail mounting design makes installation quick and easy, ideal for various electrical control panels and distribution boards.

5. Versatile: It can operate within a wide voltage range (24 V to 690 V AC), making it suitable for protecting various electrical devices.

6. Compact Design: The small size (45 x 90 x 110 mm) allows for installation in space-constrained areas, saving valuable equipment space.

Applications:

• Motor Protection: Widely used to protect motors from overload conditions, preventing damage to the motor windings caused by excessive current.

• Industrial Automation: Used in industrial automation control systems to protect various devices such as conveyors, pumps, and fans from overload damage.

• Electrical Control Panels: Can be installed in various electrical control panels or distribution boards to provide overload protection for electrical equipment.

• Manufacturing Industry: Applied to protect electrical equipment such as machinery and power tools in the manufacturing sector, ensuring stable operation.

• Construction Industry: Provides overload protection for power tools, lighting equipment, and other electrical devices in the construction industry, extending equipment lifespan.

Precautions:

1. Correct Adjustment: When using, ensure the relay's protection current range is adjusted according to the motor's rated current to ensure accurate overload protection.

2. Installation Requirements: Ensure the installation environment is within the relay's specified operating temperature range to avoid malfunction due to high temperatures.

3. Regular Inspection: Periodically check the relay's operating status to ensure the overload protection function is not compromised by wear or aging.

4. Environmental Requirements: Ensure the relay is installed in a dry, non-corrosive environment to avoid moisture or corrosive gases affecting its performance.

5. Load Management: Ensure that the load current does not exceed the relay's rated value to prevent unstable operation.