1. Introducere
This manual provides essential information for the safe and effective use of the DIHOOL DHM1B-2P-200A DC Molded Case Circuit Breaker (MCCB). This device is designed for high current battery protection in various DC applications, including electric vehicles, Uninterruptible Power Supplies (UPS), inverters, and photovoltaic combiner boxes. Please read these instructions carefully before installation and operation.
2. Specificații
The DIHOOL DHM1B-2P-200A circuit breaker features the following technical specifications:
| Caietul de sarcini | Valoare |
|---|---|
| Model | DHM1B-2P-200A |
| Vol. operațional nominaltage | DC 12-400V |
| Polonii | 2P |
| Curent nominal | 200A |
| Breaking Capacity (Ics) | 15 kA |
| Breaking Capacity (Icu) | 25 kA |
| Utilizați categoria | A |
| Viața mecanică | 6,000 de ori |
| Viața electrică | 1,000 de ori |
| Metoda de instalare | Panel screw installation |
| Conformitate standard | IEC60947-2 / GB14048.2 |
| Temperatura de operare | -10℃ până la +50℃ |
| Altitudine de operare | 2000 metru |
| Dimensiuni produs (D x L x H) | 6.9A x 6.5L x 15Î cm |
| Greutatea articolului | 1.52 kilograme |
| Componente incluse | Terminal |
3. Configurare și instalare
The DIHOOL DHM1B-2P-200A circuit breaker is designed for panel screw installation. Ensure the installation location is dry, well-ventilated, and within the specified operating temperature range.
3.1 Dimensiuni fizice
Understanding the physical dimensions is crucial for proper panel integration.
3.2 Conexiuni de cablare
Proper wiring is essential for safety and performance. The circuit breaker is a 2-pole device designed to protect both positive and negative lines in a DC system.
- Applicable Wire Diameter: The terminals are designed to accommodate wires up to 95mm² (000AWG).
- Dimensiuni terminale: The conductive parts have a thickness of 5mm, and the terminal height is 85mm.
- Polaritate: For DC 12V, 24V, 36V, 48V, 96V, 120V, and 240V applications, the circuit breaker supports 'No Polarity' connection, simplifying installation.
4. Instrucțiuni de utilizare
The circuit breaker provides thermal magnetic trip functionality for circuit overload and short circuit protection.
4.1 Pornirea/Oprirea
The circuit breaker has a clear ON/OFF handle for manual operation.
- Pentru a opri: Împingeți mânerul JOS în poziția „OPRIT”.
- Pentru a porni: Împingeți mânerul UP to the 'ON' position.
Nota: If the handle is in the 'Trip OFF' state (between ON and OFF), it cannot be directly pushed UP to ON. First, perform a handle DOWN action (to fully OFF), then push the handle UP to ON to reset and engage the circuit.
4.2 Trip Function
The circuit breaker is equipped with a red 'TEST' button to manually trip the breaker for testing purposes or to isolate the circuit.
- To Trip: Apăsați tasta ROŞU button. This will move the handle to the 'Trip OFF' state, indicating no electricity flow.
4.3 Caracteristici de protecție
- Thermal Magnetic Trip: Protects against sustained overcurrents (thermal) and sudden high currents (magnetic).
- Circuit Overload Protection: Automatically trips when current exceeds the rated 200A for a prolonged period.
- Circuit Short Circuit Protection: Instantly trips upon detection of a short circuit. Note that for voltages between 12V-30V, short circuit protection is not active; it is active for 32V-400V.
- Isolation Circuit: Provides a safe means to disconnect power for maintenance or safety.
5. Întreținere
To ensure the longevity and reliable operation of your DIHOOL DHM1B-2P-200A circuit breaker, follow these general maintenance guidelines:
- Inspecție regulată: Inspectați periodic întrerupătorul de circuit pentru a depista orice semne de deteriorare fizică, decolorare sau conexiuni slăbite.
- curatenie: Keep the circuit breaker free from dust and debris. Use a dry, soft cloth for cleaning. Do not use liquid cleaners or solvents.
- Verificare terminal: Ensure all terminal connections are tight and secure. Loose connections can lead to overheating and potential hazards.
- Funcția de testare: Periodically use the red 'TEST' button to verify the tripping mechanism is functional.
Always disconnect power to the circuit before performing any inspection or maintenance.
6. Depanare
If you encounter issues with your DIHOOL DHM1B-2P-200A circuit breaker, consider the following troubleshooting steps:
- Frecvența declanșărilor întrerupătorului:
- Check for overloads: Ensure the connected load does not exceed the 200A rated current.
- Check for short circuits: Inspect wiring for any signs of damage or short circuits.
- Verificați voltage: Ensure the operating voltage se află în intervalul CC 12-400 V.
- Breaker Does Not Trip:
- Manually test the trip function using the red 'TEST' button. If it does not trip, the unit may be faulty.
- Ensure the current is sufficient to cause a trip for the detected fault (e.g., short circuit protection is not active below 32V).
- Breaker Does Not Stay ON:
- If the handle is in the 'Trip OFF' state, push it fully DOWN to OFF before attempting to push it UP to ON.
- If the breaker immediately trips after being switched ON, a persistent overload or short circuit is present.
If problems persist after performing these checks, consult a qualified electrician or contact DIHOOL customer support.
7. Garanție și asistență
For information regarding the warranty period and terms for your DIHOOL DHM1B-2P-200A DC Circuit Breaker, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support or further assistance, please reach out to DIHOOL customer service through their official channels.