1. פּראָדוקט איבערview
The ABB Tmax XT4NU3250EFF000XXX is a high-performance molded case circuit breaker designed for reliable protection in various electrical systems. This device features a frame size XT4, rated for up to 250A, with voltage ratings of 600V (UL) and 690V (IEC). It incorporates an Ekip LS/I electronic trip unit, providing Long-Time (L), Short-Time (S), and Instantaneous (I) protection functions. This 3-pole circuit breaker is engineered for safety and efficiency in industrial and commercial applications.

An image showing the ABB Tmax XT4NU3250EFF000XXX Molded Case Circuit Breaker. The device is dark gray with a red and white handle, indicating its operational status. Various labels and connection points are visible on its front and sides.
2. זיכערקייַט אינפֿאָרמאַציע
שטענדיק אָבסערווירן די פאלגענדע זיכערהייט מיטלען צו פאַרמייַדן שאָדן אָדער שעדיקן צו די ויסריכט:
- אינסטאַלאַציע, וישאַלט און רעפּאַראַציע מוז נאָר דורכגעפירט ווערן דורך קוואַליפֿיצירטע פּערסאָנעל.
- Ensure all power sources are disconnected and locked out before working on the circuit breaker or associated circuitry.
- Use appropriate personal protective equipment (PPE) such as insulated gloves, safety glasses, and arc-flash protective clothing.
- באַשטעטיקן די ריכטיק voltage און קראַנט רייטינגז איידער ינסטאַלירונג.
- Do not operate the circuit breaker if it appears damaged or malfunctioning.
3. סעטאַפּ און ייַנמאָנטירונג
The ABB Tmax XT4NU3250EFF000XXX circuit breaker is designed for DIN Rail Mount installation. Proper installation is crucial for safe and reliable operation.
3.1 פאַר-ינסטאַלירונג טשעקס
- Inspect the circuit breaker for any physical damage.
- Confirm that the product specifications match the system requirements.
- Ensure the mounting surface is clean and secure.
3.2 מאַונטינג
- Securely attach the circuit breaker to a standard DIN rail.
- ענשור געהעריק ווענטאַליישאַן אַרום די מיטל צו פאַרמייַדן אָוווערכיטינג.
3.3 וויירינג
- Connect the main power supply conductors to the appropriate terminals (Line/Load) as indicated on the device.
- Ensure all connections are tight and secure to prevent loose contacts and arcing.
- Follow all local and national electrical codes for wiring practices.
- Verify correct polarity and phase sequence for multi-phase installations.
4. אַפּערייטינג ינסטרוקטיאָנס
The ABB Tmax XT4NU3250EFF000XXX circuit breaker is designed for straightforward operation.
4.1 באַשטימען אויף/אַוועק
- To Switch ON: Push the operating handle firmly to the 'ON' position.
- To Switch OFF: Push the operating handle firmly to the 'OFF' position.
4.2 טריפּ אינדיקאַציע און ריסעט
- If an overload or short-circuit occurs, the circuit breaker will automatically trip, moving the handle to an intermediate 'TRIPPED' position.
- צו באַשטעטיק: First, move the handle fully to the 'OFF' position. Then, push the handle to the 'ON' position.
- Before resetting, investigate and resolve the cause of the trip. Repeated tripping indicates an underlying electrical issue.
5. וישאַלט
Regular maintenance ensures the longevity and reliable operation of your circuit breaker.
5.1 רוטין דורכקוק
- Periodically inspect the circuit breaker for any signs of physical damage, discoloration, or loose connections.
- Check for dust accumulation and keep the area around the breaker clean.
5.2 רייניקונג
- Ensure power is disconnected before cleaning.
- Use a dry, lint-free cloth to wipe down the exterior of the circuit breaker. Avoid using solvents or abrasive cleaners.
5.3 פראפעסיאנעלע סערוויסינג
For internal inspection, testing, or repair, contact qualified ABB service personnel or an authorized service center. Do not attempt to disassemble the circuit breaker yourself.
6. טראָובלעשאָאָטינג
This section provides guidance for common issues. For complex problems, consult a qualified electrician.
6.1 ברעיקער טריפּס אָפט
- מעגלעך סיבה: אָווערלאָאַד.
- אקציע: Reduce the load on the circuit by unplugging some devices.
- מעגלעך סיבה: קורצשלוס.
- אקציע: Inspect wiring and connected devices for faults. This requires professional attention.
- מעגלעך סיבה: Ground fault (if applicable to the specific trip unit configuration).
- אקציע: Consult a qualified electrician to identify and rectify the ground fault.
6.2 Breaker Will Not Reset
- מעגלעך סיבה: Persistent fault (overload or short circuit).
- אקציע: Ensure the cause of the trip has been resolved. If the fault persists, the breaker will not reset.
- מעגלעך סיבה: אינערלעכע שאדן צום ברעיקער.
- אקציע: If no fault is present and the breaker still won't reset, it may be damaged and require replacement by a qualified professional.
7. ספּעסאַפאַקיישאַנז
Detailed technical specifications for the ABB Tmax XT4NU3250EFF000XXX Molded Case Circuit Breaker:
| באַשרייַבונג | ווערט |
|---|---|
| סאָרט | FIG |
| מאָדעל | XT4NU3250EFF000XXX |
| קראַנט רייטינג | 250 Amps |
| Voltage Rating (UL) | 600V |
| Voltage ראַנג (IEC) | 690V |
| טיפּ פון יאַזדע | Ekip LS/I (Electronic, LS/I Protection) |
| נומער פון פּויליש | 3 |
| קרייַז צוימען טיפּ | LS |
| מאַונטינג טיפּ | דין רעלס בארג |
| פּעקל דימענשאַנז | 8.26 X 6.49 X 6.1 אינטשעס |
| וואָג | 5.51 פונט |
| ערשטער דאַטע בנימצא | 25 יוני 2018 |
8. וואָראַנטי אינפֿאָרמאַציע
ABB products are manufactured to high standards and typically come with a manufacturer's warranty. For specific warranty terms and conditions applicable to your ABB Tmax XT4NU3250EFF000XXX circuit breaker, please refer to the official documentation provided with your purchase or visit the official ABB webזייטל. האַלט דיין קויפן באַווייַז פֿאַר וואָראַנטי קליימז.
9. שטיצע און קאָנטאַקט
For technical assistance, product inquiries, or service requests, please contact ABB customer support. You can find contact information and additional resources on the official ABB webפּלאַץ.
ABB Official Webפּלאַץ: Visit the ABB Store on Amazon
Always provide the full model number (XT4NU3250EFF000XXX) when contacting support to ensure accurate assistance.