1. அறிமுகம்
This manual provides essential information for the safe and proper use of the Littelfuse NLS30 Series Fast-Acting Fuse. The NLS30 is a one-time, 30 Amp, Class K5 fuse designed for reliable overcurrent protection in electrical circuits up to 600V AC/DC. It is crucial to read and understand all instructions before installation or replacement.
Figure 1: Littelfuse NLS30 Series Fast-Acting Fuse. This image shows the cylindrical fuse with brass end caps and a central body featuring the Littelfuse brand and NLS 30 model designation.
2. பாதுகாப்பு தகவல்
எச்சரிக்கை: Electrical shock hazard. Always disconnect power before installing, removing, or inspecting fuses. Failure to do so may result in serious injury or death.
- Ensure the replacement fuse has the identical voltage, amperage, and class ratings as the original fuse.
- Do not use a fuse with a higher amperage rating than specified for the circuit.
- தகுதிவாய்ந்த பணியாளர்கள் மட்டுமே மின்சாரப் பணிகளைச் செய்ய வேண்டும்.
- Wear appropriate personal protective equipment (PPE), such as insulated gloves and safety glasses, when working with electrical systems.
- Never bypass a fuse. Fuses are critical safety devices designed to protect equipment and prevent fires.
3. நிறுவல் (அமைவு)
The NLS30 fuse is designed for surface mounting within appropriate fuse holders or blocks. Follow these general steps for installation:
- மின் இணைப்பை துண்டிக்கவும்: Locate the main power source for the circuit where the fuse will be installed or replaced and turn it OFF. Verify power is off using a voltagஇ சோதனையாளர்.
- ஃபியூஸ் ஹோல்டரை அடையாளம் காணவும்: Locate the fuse holder or block designed for Class K5 fuses.
- ஃபியூஸைச் செருகவும்: Carefully insert the NLS30 fuse into the designated fuse clips or holder. Ensure a secure and proper connection.
- சக்தியை மீட்டமை: Once the fuse is securely in place and all connections are verified, restore power to the circuit.
Note: Always refer to the specific equipment's wiring diagrams and instructions for detailed fuse placement and installation procedures.
4. ஆபரேஷன்
The Littelfuse NLS30 is a passive, fast-acting protective device. It operates by interrupting the flow of current in a circuit when an overcurrent condition (e.g., short circuit or overload) occurs. When the current exceeds the fuse's 30 Amp rating, the internal element melts, opening the circuit and preventing damage to electrical components or wiring.
As a "one-time" fuse, the NLS30 must be replaced after it has operated (blown) to restore power to the circuit.
5. பராமரிப்பு
The NLS30 fuse requires no routine maintenance. Its function is to provide overcurrent protection and then be replaced once it has performed its duty.
- ஆய்வு: Periodically inspect fuse holders and connections for signs of corrosion, overheating, or loose contacts.
- மாற்று: If the fuse blows, it must be replaced with a new fuse of the exact same type, voltagஇ, மற்றும் amperage rating (NLS30, 30 Amp, 600V, Class K5).
6. சரிசெய்தல்
If a circuit protected by an NLS30 fuse loses power, the fuse may have blown due to an overcurrent condition. Follow these steps:
- மின் இணைப்பை துண்டிக்கவும்: Turn off all power to the affected circuit at the main breaker or disconnect switch.
- ஊதப்பட்ட உருகியை அடையாளம் காணவும்: Visually inspect the NLS30 fuse. While this fuse type may not have a clear indicator, a blown fuse often shows signs of discoloration or a broken internal element if visible. A multimeter can be used to test for continuity across the fuse.
- காரணத்தை அடையாளம் காணவும்: Before replacing the fuse, investigate the cause of the overcurrent. This could be a short circuit, an overloaded appliance, or faulty wiring. Address the underlying issue to prevent immediate re-blowing of the new fuse.
- உருகியை மாற்றவும்: Once the cause is identified and rectified, replace the blown NLS30 fuse with a new one of the identical rating. Refer to the "Installation" section for proper replacement steps.
- சக்தியை மீட்டமை: Restore power to the circuit and verify proper operation.
If the new fuse blows immediately, do not continue to replace it. Consult a qualified electrician to diagnose and repair the electrical issue.
7. விவரக்குறிப்புகள்
Detailed technical specifications for the Littelfuse NLS30 Fast-Acting Fuse:
படம் 2: நெருக்கமான காட்சி view of the Littelfuse NLS30 fuse label, showing "One-time FUSE", "CLASS K5", "NLS 30", and "600 VAC OR DC".
| பண்பு | மதிப்பு |
|---|---|
| உற்பத்தியாளர் | லிட்டல்ஃபுஸ் |
| பகுதி எண் | NLS 30 |
| Amperage திறன் | 30 Amps |
| தொகுதிtagமின் மதிப்பீடு | 600 வோல்ட்ஸ் ஏசி/டிசி |
| உருகி வகுப்பு | K5 |
| உருகி வகை | One-Time, Fast Acting |
| பொருள் | அலுமினியம் |
| தயாரிப்பு பரிமாணங்கள் | 1 x 5 x 5 அங்குலம் |
| பொருளின் எடை | 0.16 அவுன்ஸ் |
| மவுண்டிங் வகை | மேற்பரப்பு |
8. உத்தரவாதம் மற்றும் ஆதரவு
Specific warranty details for the Littelfuse NLS30 fuse are typically provided with the product packaging or can be obtained directly from the manufacturer. As a consumable safety device, fuses generally have limited or no warranty once installed and subjected to an overcurrent event.
For technical support, product inquiries, or detailed warranty information, please contact Littelfuse directly through their official webதளம் அல்லது வாடிக்கையாளர் சேவை சேனல்கள்.
லிட்டெல்ஃபியூஸ் அதிகாரப்பூர்வமானது Webதளம்: www.littelfuse.com
