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- 81AB03
- Binary Output Module
- Sweden
- 140mm x 105mm x 70mm
- 0.75kg
- GJR2392500R1210
- Xiamen, China
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ABB 81AB03 Product Overview (Part Number: GJR2392500R1210)
Product Introduction
The ABB 81AB03 (Part Number: GJR2392500R1210) is an advanced motor protection relay designed for modern industrial control systems. It is part of the 81AB series, which is renowned for its reliability, ease of use, and comprehensive protection features for industrial motors. The 81AB03 relay is engineered to monitor and protect electric motors from potential issues such as overcurrent, undercurrent, overload, short circuits, and overheating. It ensures motors operate within their specified parameters, reducing the risk of failure and extending the life of the equipment.
Equipped with advanced diagnostics, the 81AB03 helps identify potential faults early, enabling preventive maintenance and minimizing downtime. The relay is compact and highly versatile, making it suitable for a wide range of applications in industries such as manufacturing, energy, and automation. Its robust design and user-friendly interface make it a valuable asset for protecting critical motor-driven systems.
Product Application
The ABB 81AB03 is ideal for the following applications:
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Motor Protection: It provides essential protection for electric motors by monitoring current, voltage, and temperature. It helps prevent motor damage from faults such as overcurrent, undercurrent, and thermal overload.
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Automation Systems: The 81AB03 is widely used in industrial automation systems to ensure that motors and machinery operate efficiently and without disruption.
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Energy Management: By ensuring motors operate at optimal levels, the device helps optimize energy usage, reducing operational costs and improving energy efficiency.
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Manufacturing & Process Industries: The relay is used to safeguard motors in machinery that drives manufacturing equipment, pumps, and other critical industrial systems.
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HVAC Systems: The ABB 81AB03 protects motors used in HVAC applications, ensuring continuous operation and protecting against failures in ventilation, heating, and air conditioning systems.
Product Advantages
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Comprehensive Protection: The ABB 81AB03 provides multi-faceted protection against overcurrent, undercurrent, thermal overload, short circuits, and other motor faults, ensuring reliable motor performance and reducing maintenance costs.
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Real-Time Monitoring: The relay continuously monitors motor parameters and provides real-time diagnostic data, enabling operators to take corrective action before serious damage occurs.
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Energy Efficiency: By ensuring motors operate within safe limits, the 81AB03 helps optimize energy usage, improving operational efficiency and reducing energy waste.
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Compact and Flexible Design: The 81AB03 has a compact design that allows for easy installation in a variety of environments, including tight spaces and industrial control panels.
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Ease of Integration: With multiple communication interfaces, including Modbus RTU, the relay can be seamlessly integrated into existing industrial control systems.
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High Durability: Built to withstand harsh industrial conditions, the ABB 81AB03 offers long-term reliability and durability, even in high-temperature or high-vibration environments.
Brand and Series
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Brand: ABB
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Product Series: 81AB Series (Motor Protection and Control Relays)
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Product Line: The 81AB03 belongs to ABB’s 81AB Series, a line of motor protection relays designed to enhance the reliability and safety of industrial motor-driven systems.
Product Parameters
| Specification | Details |
|---|---|
| Model | ABB 81AB03 (GJR2392500R1210) |
| Type | Motor Protection Relay |
| Nominal Current | 0.3A to 100A |
| Control Voltage | 24V DC / 110V AC |
| Operating Temperature | -20°C to 60°C |
| Dimensions (L x W x H) | 140mm x 105mm x 70mm |
| Weight | 0.75 kg |
| Material | High-grade plastic and metal |
| Mounting Type | DIN Rail Mountable |
| Environmental Protection | IP20 |
| Certifications | CE, UL, RoHS |
| Communication Interface | Modbus RTU, RS485 |
Recommended Models (Same Series/Related Models)
| Model | Description | Nominal Current | Control Voltage | Dimensions (mm) | Weight (kg) | Certifications |
|---|---|---|---|---|---|---|
| ABB 81AB01 | Basic Motor Protection Relay | 0.3A to 50A | 24V DC / 110V AC | 100 x 80 x 50 | 0.4 | CE, UL, RoHS |
| ABB 81AB02 | Advanced Motor Protection with Monitoring | 0.3A to 100A | 24V DC / 110V AC | 120 x 90 x 55 | 0.5 | CE, UL, RoHS |
| ABB 81AB04 | Motor Protection with Enhanced Diagnostics | 0.3A to 100A | 24V DC / 110V AC | 130 x 95 x 60 | 0.65 | CE, UL, RoHS |
| ABB 81AB05 | Motor Protection with Communication Interface | 0.3A to 80A | 24V DC / 110V AC | 135 x 100 x 65 | 0.7 | CE, UL, RoHS |
| ABB 81AB06 | Modular Motor Protection Relay | 0.3A to 100A | 24V DC / 110V AC | 140 x 105 x 70 | 0.8 | CE, UL, RoHS |
Recommended Popular ABB Models
| Model | Description | Nominal Current | Control Voltage | Dimensions (mm) | Weight (kg) | Certifications |
|---|---|---|---|---|---|---|
| ABB 5SX21 | Miniature Circuit Breaker | 6A to 25A | 230V AC | 70 x 45 x 80 | 0.2 | CE, RoHS |
| ABB 3BSE041521R1 | Motor Controller with Protection | 1A to 100A | 24V DC / 110V AC | 200 x 120 x 60 | 1.2 | CE, UL |
| ABB ACH550 | Variable Frequency Drive | 0.75 kW to 75 kW | 380V AC | 200 x 180 x 160 | 5.6 | CE, UL, RoHS |
| ABB 81MR5 | Multifunction Motor Protection Relay | 0.3A to 100A | 24V DC / 110V AC | 150 x 110 x 90 | 0.8 | CE, UL, RoHS |
| ABB DS201 | Digital Power Meter | 0.3A to 100A | 24V DC / 110V AC | 120 x 90 x 70 | 0.5 | CE, RoHS |
FAQ (10 Questions)
Q1: What is the primary function of the ABB 81AB03?
A1: The ABB 81AB03 is a motor protection relay designed to monitor and protect motors from electrical faults like overcurrent, undercurrent, and thermal overload, ensuring the reliability and longevity of motor-driven equipment.
Q2: How does the ABB 81AB03 monitor motor performance?
A2: The ABB 81AB03 continuously monitors the motor’s current, voltage, and temperature. If any abnormal conditions are detected, it automatically trips the motor or sends an alert to the system for preventive action.
Q3: What is the operating temperature range for the ABB 81AB03?
A3: The ABB 81AB03 operates within a temperature range of -20°C to 60°C, making it suitable for use in a wide range of industrial environments.
Q4: Can the ABB 81AB03 be integrated into an existing automation system?
A4: Yes, the ABB 81AB03 supports Modbus RTU and RS485 communication protocols, allowing it to be easily integrated into existing industrial automation systems for seamless control and monitoring.
Q5: What is the weight of the ABB 81AB03?
A5: The ABB 81AB03 weighs approximately 0.75 kg, making it lightweight and easy to install in various industrial settings.
Q6: Does the ABB 81AB03 offer energy-saving benefits?
A6: Yes, by ensuring that motors operate within their optimal parameters, the 81AB03 helps improve energy efficiency, reduce energy wastage, and lower operational costs.
Q7: How is the ABB 81AB03 mounted?
A7: The ABB 81AB03 is designed for DIN rail mounting, which allows for easy installation in control panels or machinery.
Q8: What is the protection rating of the ABB 81AB03?
A8: The ABB 81AB03 has an IP20 protection rating, meaning it is protected against solid objects larger than 12mm but is not water-resistant.
Q9: Can the ABB 81AB03 protect multiple motors at the same time?
A9: The ABB 81AB03 is designed to protect individual motors, but multiple relays can be used to protect multiple motors within an automation system.
Q10: What types of faults can the ABB 81AB03 detect?
A10: The ABB 81AB03 can detect overcurrent, undercurrent, thermal overload, short circuits, and other abnormal motor conditions, providing comprehensive protection.