1. ആമുഖം
This manual provides essential information for the safe and effective installation, operation, and maintenance of the Siemens BQD345 45-Amp Three Pole Circuit Breaker. Please read this manual thoroughly before attempting any installation or operation. Retain this manual for future reference.
2 സുരക്ഷാ വിവരങ്ങൾ
മുന്നറിയിപ്പ്: Electrical shock hazard. Installation and servicing of this equipment must be performed by qualified personnel only. Always disconnect power at the main service panel before working with circuit breakers or electrical panels.
- ഇൻസ്റ്റാളേഷൻ സമയത്ത് എല്ലാ പ്രാദേശിക, ദേശീയ ഇലക്ട്രിക്കൽ കോഡുകളും പാലിക്കുന്നുണ്ടെന്ന് ഉറപ്പാക്കുക.
- Do not install damaged equipment. Inspect the circuit breaker for any signs of damage before installation.
- Never attempt to bypass or modify the circuit breaker's protective functions.
- Siemens strongly recommends against the use of 'used' breakers. The installation of used breakers in a Siemens panel will void the warranty on the panel. Siemens does not sell used breakers and has not approved any 3rd party sellers to do so.
3. ഉൽപ്പന്നം കഴിഞ്ഞുview
The Siemens BQD345 is a 45-Amp, three-pole, bolt-in type circuit breaker designed for panel board mounting. It is rated for 480Y/277V AC with a 14KAIC interrupting rating. This thermal-magnetic circuit breaker provides overcurrent protection for electrical circuits.
പ്രധാന സവിശേഷതകൾ:
- Type BQD
- Three Pole Configuration
- 45 Amps Current Rating
- 480Y/277V AC Voltagഇ റേറ്റിംഗ്
- 14KAIC Interrupting Rating
- Panel Board Mounting (Bolt-in)
- UL ലിസ്റ്റുചെയ്തു
ഉൽപ്പന്ന ചിത്രങ്ങൾ:
4. സജ്ജീകരണവും ഇൻസ്റ്റാളേഷനും
The Siemens BQD345 circuit breaker is designed for bolt-in installation within a compatible panel board. Installation must be performed by a qualified electrician in accordance with all applicable electrical codes.
- വൈദ്യുതി വിച്ഛേദിക്കൽ: Before beginning any work, ensure that all power to the electrical panel is completely disconnected at the main service entrance. Verify with a voltagഇ ടെസ്റ്റർ.
- പാനൽ ആക്സസ്: ബസ് ബാറുകളും വയറിംഗ് ഏരിയയും തുറന്നുകാട്ടുന്നതിനായി ഇലക്ട്രിക്കൽ പാനലിന്റെ കവർ ശ്രദ്ധാപൂർവ്വം നീക്കം ചെയ്യുക.
- മൗണ്ടിംഗ്: Position the BQD345 circuit breaker onto the designated bus bar connections in the panel board. Securely fasten the breaker using the bolt-in mechanism.
- വയറിംഗ്: Connect the load wires to the appropriate terminals on the circuit breaker. Refer to the breaker's label for correct wire sizing (e.g., for 45A, Cu-Al 60°/75°C wire, size 8 AWG for 45A). Ensure all connections are tight and secure.
- പാനൽ പുനഃസംയോജനം: Once wiring is complete and verified, replace the panel cover.
- വൈദ്യുതി പുനഃസ്ഥാപിക്കൽ: Restore power at the main service entrance.
For detailed wiring diagrams and specific panel compatibility, consult the panel board manufacturer's instructions and relevant electrical codes.
5. പ്രവർത്തന നിർദ്ദേശങ്ങൾ
The BQD345 circuit breaker features a toggle handle that indicates its current status:
- ഓൺ: The handle is in the 'ON' position, indicating that power is flowing through the circuit.
- ഓഫാണ്: The handle is in the 'OFF' position, indicating that power to the circuit is disconnected.
- യാത്ര: If an overcurrent or short circuit condition occurs, the breaker will automatically move to the 'TRIP' position (typically a central position between ON and OFF). This indicates that the circuit has been interrupted for safety.
To reset a tripped breaker: First, move the handle completely to the 'OFF' position, then push it firmly to the 'ON' position. If the breaker immediately trips again, there is likely a persistent fault in the circuit that requires investigation by a qualified electrician.
6. പരിപാലനം
Regular maintenance helps ensure the longevity and reliable operation of your circuit breaker. All maintenance should be performed by qualified personnel with power disconnected.
- വിഷ്വൽ പരിശോധന: Periodically inspect the circuit breaker and its connections for any signs of overheating, discoloration, loose wires, or physical damage.
- വൃത്തിയാക്കൽ: Keep the area around the circuit breaker clean and free of dust and debris. Use a dry, non-conductive cloth for cleaning.
- പരിശോധന: While not typically required for residential or light commercial applications, some industrial standards may require periodic testing of circuit breakers. Consult relevant standards and a qualified electrician for such requirements.
7. പ്രശ്നപരിഹാരം
If your Siemens BQD345 circuit breaker is not functioning as expected, consider the following:
- ഇടയ്ക്കിടെ ബ്രേക്കർ യാത്രകൾ: This indicates an overcurrent condition or a short circuit in the protected circuit. Disconnect all loads from the circuit and try resetting the breaker. If it still trips, there is a fault in the wiring or a connected appliance. Consult a qualified electrician.
- Breaker Will Not Reset: Ensure the handle is pushed fully to the 'OFF' position before attempting to move it to 'ON'. If it still won't reset, or immediately trips, a fault is present.
- സർക്യൂട്ടിലേക്ക് വൈദ്യുതിയില്ല (ബ്രേക്കർ ഓണാണ്): Check the main service panel for tripped main breakers. Verify all connections to the BQD345 are secure. If the issue persists, professional electrical diagnosis is required.
Do not attempt to force a breaker into the ON position if it resists or immediately trips. This can indicate a serious electrical fault.
8 സ്പെസിഫിക്കേഷനുകൾ
| ആട്രിബ്യൂട്ട് | മൂല്യം |
|---|---|
| ബ്രാൻഡ് | സീമെൻസ് |
| മോഡൽ നമ്പർ | ബിക്യുഡി345 |
| നിലവിലെ റേറ്റിംഗ് | 45 Amps |
| ധ്രുവങ്ങളുടെ എണ്ണം | 3 |
| വാല്യംtagഇ റേറ്റിംഗ് | 480Y/277V AC |
| റേറ്റിംഗ് തടസ്സപ്പെടുത്തുന്നു | 14കെഐസി |
| സർക്യൂട്ട് ബ്രേക്കർ തരം | താപ-കാന്തിക, സ്റ്റാൻഡേർഡ് |
| മൗണ്ടിംഗ് തരം | Panel Mount (Bolt-in) |
| ഇനത്തിൻ്റെ ഭാരം | 1.81 പൗണ്ട് |
| ഉൽപ്പന്ന അളവുകൾ | 4 x 3 x 3 ഇഞ്ച് |
| യു.പി.സി | 783643277403 |
| ഉൾപ്പെടുത്തിയ ഘടകങ്ങൾ | Circuit Breaker, 45A, Bolt On, 480V, 3P |
9. വാറൻ്റിയും പിന്തുണയും
വാറൻ്റി വിവരങ്ങൾ:
Siemens strongly recommends against the use of "used" breakers. The installation of used breakers in a Siemens panel will void the warranty on the panel. Siemens does not sell used breakers and has not approved any 3rd party sellers to do so. For specific warranty terms and conditions, please refer to the official Siemens warranty documentation or contact Siemens customer support.
ഉപഭോക്തൃ പിന്തുണ:
For technical assistance, product inquiries, or warranty claims, please visit the official Siemens website or contact their customer service department. Ensure you have your product model number (BQD345) and any relevant purchase information available when contacting support.
