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ABB TF4257 Thermal Overload Relay
The TF4257 thermal overload relay is an electromechanical device designed to protect motors from overload and phase failure, with a thermal-magnetic trip mechanism. Suitable for current ranges from 4.20 to 5.70 amperes, it ensures reliable motor protection in both single-phase and three-phase applications. Compatible with ABB contactors in the AF09 to AF38 series, it features manual or automatic reset, trip indication, temperature compensation, and phase loss sensitivity according to IEC standards. An essential component for motor protection systems, ensuring safety and operational efficiency.
ABB TF4257 Thermal Overload Relay Specifications:
- Current Range: 4.20 to 5.70 amperes
- Compatibility: ABB AF09 to AF38 contactors
- Trip Class: 10
- Reset: Manual or automatic
- Phase Loss Sensitive: Yes according to IEC/EN 60947-4-1
- Trip Indication: On the front panel
- Temperature Compensation: Yes
- Application: Suitable for both single-phase and three-phase motors
- Protection Type: Thermal-magnetic
- Design: Electromechanical
- Includes: Phase failure detection, overload protection
- Mounting: Compatible with standard contactor arrangements
- Dimensions: Main dimensions available upon request
- Weight: Approximately 0.12 kg
- Additional features: Test and stop functions
Buy the ABB Series Thermal Overload Relay: Protect Motor Current 4.20-5.70A TF4257
Secure your motor’s safety with the ABB TF4257 thermal overload relay, expertly designed for current ranges from 4.20 to 5.70 amperes. Easy to install with compatibility for ABB contactors in the AF09 to AF38 series, this relay offers manual or automatic reset, phase loss sensitivity, trip indication, and temperature compensation. Its robust electromechanical design ensures reliable protection against overloads and phase failures, enhancing operational efficiency and safety for both single-phase and three-phase motor applications. Perfect for industrial control systems, it's a trusted choice for ensuring motor longevity and reducing downtime.
Buy the ABB TF4257 thermal overload relay now and experience unmatched reliability and performance for motor protection in your automation system.
Frequently Asked Questions
Where can I buy ABB TF4257?
You can click on the BUY or RFQ button to purchase TF4257 from an authorized ABB distributor.
How do I troubleshoot issues or seek technical support for part TF4257?
You can download the TF4257 datasheet or visit the ABB website for support.
Who is the manufacturer of TF4257?
ABB