Relay range in Amps | Direct mounting on contactors | Type code reference |
0.1 … 0.16 | A9… A40 AX9… AX40 AL9…AL40 TAL9…TAL40 | TA25DU 0.16M |
0.16 … 0.25 | TA25DU 0.25M |
0.25 … 0.4 | TA25DU 0.4M |
0.4 … 0.63 | TA25DU 0.63M |
0.63 … 1.0 | TA25DU 1.0M |
1.0 … 1.4 | TA25DU 1.4M |
1.3 … 1.8 | TA25DU 1.8M |
1.7 … 2.4 | TA25DU 2.4M |
2.2 … 3.1 | TA25DU 3.1M |
2.8 … 4.0 | TA25DU 4.0M |
35. … 5.0 | TA25DU 5.0M |
4.5 … 6.5 | TA25DU 6.5M |
6.0 … 8.5 | TA25DU 8.5M |
7.5 … 11.0 | TA25DU 11M |
10.0 … 14.0 | TA25DU 14M |
13.0 … 19.0 | TA25DU 19M |
18.0 … 25.0 | TA25DU 25M |
24.0 … 32.0 | TA25DU 32M |
Robust Motor ProtectionThe TA25 thermal overload relays safeguard motors against overloads and phase imbalances, ensuring prolonged equipment life. Advanced features like ambient temperature compensation and dual reset types enhance reliability. Their sturdy construction and molded finish make them suitable for demanding industrial environments in India.
Versatile Mounting and Easy IntegrationThese relays can be directly or separately mounted, providing flexibility in installation for various setups. Screw terminal connections streamline wiring, while compatibility with ABB AF/AX contactors eliminates integration hassles, making them a preferred choice for manufacturers, dealers, and maintenance teams alike.
High Operational ReliabilityWith a mechanical life exceeding 10 million operations and electrical life over 1 million, TA25 relays are designed for persistent performance. Their resistance to vibration up to 5g, IP20 protection level, and humidity tolerance up to 95% RH ensure they function reliably in challenging industrial and commercial environments.
FAQ's of Thermal overload relays TA25:
Q: How do the TA25 thermal overload relays protect motors in industrial applications?
A: TA25 relays offer motor protection by detecting overload conditions and tripping automatically to prevent overheating, phase loss, or burning. They use an ambient temperature compensation feature to maintain accuracy even in varying environmental conditions.
Q: What is the process for resetting the relay after a trip occurs?
A: The relay supports both manual and automatic reset types. After a trip, you can either press the integrated manual reset button or let the relay reset itself automatically once it cools down, depending on the selected setting.
Q: When should I use the test button on the TA25 thermal overload relay?
A: The integrated test button allows you to simulate a trip condition to ensure the relay is functioning properly. Use it during regular maintenance checks or after installation to confirm protective mechanisms are operational.
Q: Where can the TA25 relay be installed and what conditions can it withstand?
A: TA25 relays are suitable for use in various industrial and commercial environments, being able to operate in temperatures from -20C to +60C, at altitudes up to 2000 meters, and humidity up to 95% RH non-condensing. They withstand vibration up to 5g and are protected by an IP20 enclosure.
Q: What benefit does the ambient temperature compensation feature provide?
A: Ambient temperature compensation ensures the relay maintains accurate tripping and motor protection regardless of external temperature fluctuations, thus improving reliability and safety in diverse operating environments.
Q: How are the TA25 relays connected to existing systems and contactors?
A: TA25 relays use screw-type terminals for secure connections, making wiring straightforward. They are compatible with ABB AF/AX series contactors, allowing direct or separate mounting to suit different system configurations.
