Littelfuse JTD-15-ID Fuse Instruction Manual
Comprehensive guide for the installation, operation, and maintenance of the Littelfuse JTD-15-ID fuse.
1. ഉൽപ്പന്നം കഴിഞ്ഞുview
The Littelfuse JTD-15-ID is a 15 Amp, 300 VDC, 600 VAC, current-limiting, dual-element time-delay fuse designed for use in all general-purpose circuits. It features a trip indication mechanism for easy identification of a blown fuse.
This fuse provides superior protection for motors, transformers, solenoids, and other inductive loads, as well as for general-purpose circuits. Its time-delay characteristic allows for temporary overcurrents without nuisance tripping, while its current-limiting capability minimizes damage from high fault currents.
ചിത്രം 1: മുൻഭാഗം view of the Littelfuse JTD-15-ID fuse. The fuse is cylindrical with metal caps on both ends and a green and white label in the center. The label clearly shows "Littelfuse", "JTD 15 ID", and "Indicator". A small window on the label reveals the internal element and a "Good" or "Replace" indicator.
2 സുരക്ഷാ വിവരങ്ങൾ
മുന്നറിയിപ്പ്: Electrical shock hazard. Always disconnect power before installing or removing fuses. Only qualified personnel should perform electrical work.
- Ensure the fuse rating (voltage and current) matches the circuit requirements.
- Do not use damaged fuses.
- Always replace a blown fuse with a fuse of the same type and rating.
- ഇലക്ട്രിക്കൽ സംവിധാനങ്ങളുമായി പ്രവർത്തിക്കുമ്പോൾ ഉചിതമായ വ്യക്തിഗത സംരക്ഷണ ഉപകരണങ്ങൾ (പിപിഇ) ധരിക്കുക.
3. ഇൻസ്റ്റലേഷൻ
The JTD-15-ID fuse is designed for installation into compatible fuse holders or blocks. Ensure the fuse holder is rated for the fuse's voltagഇയും കറൻ്റും.
- De-energize the Circuit: Before beginning installation, ensure that the electrical circuit is completely de-energized at the main power source. Verify with a voltagഇ ടെസ്റ്റർ.
- ഫ്യൂസ് ഹോൾഡർ തിരിച്ചറിയുക: Locate the appropriate fuse holder or fuse block in your electrical panel or equipment.
- ഫ്യൂസ് ചേർക്കുക: Carefully insert the JTD-15-ID fuse into the designated fuse holder. Ensure it is seated firmly and correctly.
- കണക്ഷൻ സ്ഥിരീകരിക്കുക: Confirm that the fuse makes proper electrical contact within the holder.
- Re-energize Circuit: Once the fuse is securely installed, you may re-energize the circuit.
ചിത്രം 2: കോണാകൃതിയിലുള്ളത് view of the Littelfuse JTD-15-ID fuse. This perspective highlights the "Good" status indicator visible through a small circular window on the green label, confirming the fuse is operational. The "JTD 15 ID" model number is also clearly visible.
4. Operation and Trip Indication
The Littelfuse JTD-15-ID is a passive component designed to protect electrical circuits from overcurrents. It operates by melting an internal element when current exceeds its rated capacity for a specified duration, thereby opening the circuit and preventing damage to equipment.
യാത്രാ സൂചന: This fuse features a visual trip indicator. When the fuse blows, a small pin or flag will typically pop out or change color in the indicator window, signaling that the fuse has operated and needs replacement. Refer to the fuse label for the specific indicator appearance (e.g., "Good" vs. "Replace" text, or a visible pin).
ചിത്രം 3: വശം view of the Littelfuse JTD-15-ID fuse. This image emphasizes the "Indicator" text on the green label, pointing to the mechanism that visually signals when the fuse has tripped. The cylindrical shape and metal end caps are also clearly visible.
5. പരിപാലനം
Fuses are generally maintenance-free components. However, periodic inspection of the fuse and its holder is recommended as part of routine electrical system checks.
- വിഷ്വൽ പരിശോധന: Regularly check the fuse for any signs of physical damage, such as cracks, discoloration, or corrosion.
- Trip Indicator Check: Observe the trip indicator. If it shows a "tripped" state (e.g., "Replace" visible, or pin extended), the fuse has operated and requires replacement.
- വൃത്തിയാക്കൽ: Ensure the fuse and its holder are free from dust, dirt, or debris that could impede proper contact or heat dissipation.
6. പ്രശ്നപരിഹാരം
The primary "troubleshooting" for a fuse involves identifying if it has blown and replacing it correctly.
| ലക്ഷണം | സാധ്യമായ കാരണം | ആക്ഷൻ |
|---|---|---|
| Circuit is dead; no power to equipment. | ഊതപ്പെട്ട ഫ്യൂസ്. |
|
| മാറ്റിസ്ഥാപിച്ച ഉടൻ തന്നെ പുതിയ ഫ്യൂസ് പൊട്ടുന്നു. | Persistent overcurrent, short circuit, or incorrect fuse rating. |
|
7 സ്പെസിഫിക്കേഷനുകൾ
| ആട്രിബ്യൂട്ട് | മൂല്യം |
|---|---|
| മോഡൽ നമ്പർ | JTD-15-ID |
| ബ്രാൻഡ് | ലിറ്റൽഫ്യൂസ് |
| നിലവിലെ റേറ്റിംഗ് | 15 Amps |
| വാല്യംtage Rating (AC) | 600 വി.എ.സി |
| വാല്യംtage Rating (DC) | 300 വി.ഡി.സി |
| റേറ്റിംഗ് തടസ്സപ്പെടുത്തുന്നു | നിലവിലെ പരിമിതി |
| ഡിസൈൻ തരം | Dual Element, Time Delay |
| സൂചന | Trip Indication (Visual) |
| അളവുകൾ (L x W x H) | 2.28 x 0.84 x 2.28 ഇഞ്ച് |
| ഭാരം | 1.41 ഔൺസ് |
8. വാറൻ്റി വിവരങ്ങൾ
Specific warranty details for the Littelfuse JTD-15-ID fuse are typically provided by the point of purchase or directly by Littelfuse. As a consumable safety device, fuses generally do not carry a long-term warranty against normal operation (i.e., blowing when intended). Warranty typically covers manufacturing defects only.
For detailed warranty terms and conditions, please refer to the official Littelfuse webസൈറ്റ് അല്ലെങ്കിൽ അവരുടെ ഉപഭോക്തൃ പിന്തുണയുമായി ബന്ധപ്പെടുക.
9. ഉപഭോക്തൃ പിന്തുണ
For technical assistance, product inquiries, or support regarding Littelfuse products, please visit the official Littelfuse webസൈറ്റ് അല്ലെങ്കിൽ അവരുടെ ഉപഭോക്തൃ സേവന വിഭാഗവുമായി ബന്ധപ്പെടുക.
Note: This manual provides general information. Always consult local electrical codes and regulations for specific installation requirements.
