ABB SPAM150C Motor Protection Relay

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1. Product Overview

The ABB SPAM150C is a high-performance motor protection relay designed for protecting and monitoring low- and medium-voltage motors. It provides real-time monitoring of motor operation, protecting against overload, short circuit, phase loss, locked rotor, and other faults, thereby enhancing motor and equipment safety and reliability. SPAM150C inherits ABB’s advanced motor protection technology and is suitable for various industrial automation and power system applications.

2. Key Specifications

• Model: SPAM150C

• Type: Motor Protection Relay

• Rated Current: 0.1 – 150 A (adjustable)

• Control Voltage: AC/DC 24 – 240 V

• Protection Functions: Overload, short circuit, locked rotor, phase loss, current imbalance

• Output Contacts: 1 NO + 1 NC

• Response Time: < 100 ms

• Operating Temperature: -20°C ~ 60°C

• Mounting: DIN rail or panel

• Communication Interface: Optional Modbus / Profibus

• Dimensions: Approx. 90 mm × 45 mm × 75 mm

3. Advantages & Features

1. Comprehensive Motor Protection: Supports overload, short circuit, locked rotor, phase loss, and current imbalance protection.

2. High Reliability: Industrial-grade design suitable for harsh environments and long-term operation.

3. Flexible Configuration: Adjustable current range and protection settings to match motor specifications.

4. Intuitive Display: LED indicators and digital display for easy monitoring of motor status.

5. Remote Communication: Optional Modbus/Profibus interface for remote monitoring and data acquisition.

6. Easy Installation: Supports DIN rail and panel mounting for flexible installation.

4. Application Areas

• Industrial automation production lines

• Pumps, fans, and motor drive systems

• Power distribution and control systems

• HVAC systems and heavy machinery

• Industrial robots and drive modules

5. Precautions

1. Verify that the relay rated current matches the motor before installation.

2. Avoid installation in high humidity, corrosive gases, or strong magnetic interference environments.

3. Regularly inspect wiring and relay function to ensure proper motor protection.

4. Set protection parameters according to the user manual to avoid false trips or protection failure.

5. Cut off power before maintenance or replacement to ensure safety.

The structure and details of the product：

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