1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of the TOMZN TOB1-63H C type Mini Circuit Breaker. Please read this manual thoroughly before installation and use, and keep it for future reference.
The TOB1-63 series circuit breaker is designed for use in lighting distribution systems or motor distribution systems to protect against overload and short circuits. It features a modern structure, light weight, and reliable performance. The frame and internal parts are constructed from high fire-resistant and shockproof plastics, ensuring a long operational life. This product is primarily used in AC 50Hz/60Hz circuits, suitable for single-pole 240V or two, three, and four-pole configurations up to 415V, providing protection against overload and short circuits. It can also be used for infrequent switching of electrical equipment and lighting circuits under normal conditions. The products comply with IEC 60898 and IEC 60947 standards.
For a detailed PDF version of this manual, please refer to the official document: User Manual (PDF).
2. Safety Information
⚠ WARNING: Electrical Hazard
- Installation and maintenance should only be performed by a qualified electrical professional.
- Always disconnect power before installing, servicing, or removing the circuit breaker.
- Ensure all wiring connections are secure and comply with local and national electrical codes.
- Do not operate the device if it is damaged or malfunctioning.
- This device operates at high voltage (Above 50Vac or 75Vdc). Exercise extreme caution.
The product is certified with CE, indicating compliance with European safety standards.
Figure 2.1: Front view of the TOMZN TOB1-63H C type Mini Circuit Breaker, showing the brand, model, rated voltage, and current markings.
2.1. Packaging and Disposal
Warning: To avoid danger of suffocation, keep packaging bags away from babies and children. Do not use this bag in cribs, beds, carriages, or play pens. This bag is not a toy.
For proper disposal and recycling of the device, its accessories, cords, and batteries, please refer to local recycling guidelines. Prioritize repair or donation of your appliance where possible.
Figure 2.2: Recycling instructions for electronic devices.
Figure 2.3: French recycling instructions for packaging elements.
3. Product Overview
The TOMZN TOB1-63H is a C type Mini Circuit Breaker designed for reliable circuit protection. Its robust construction and advanced features ensure safety and longevity in various electrical applications.
3.1. Key Features
- **Wide Handle**: Provides a comfortable turn on and turn off experience.
- **PA66 Flame Retardant Material**: High temperature resistance for effective usage safety.
- **Positioning Buckle**: Allows for simple disassembly and installation with one press.
- **Built-in Texture**: Ensures a more secure connection.
- **Short-circuit Protection**: Automatically breaks the circuit in case of a short circuit.
- **Overload Protection**: Protects the circuit from excessive current draw.
- **Resistance to Cold and Heat**: Designed for strong environmental temperature adaptability.
- **Seiko Design**: Precision manufacturing for solid protection.
Figure 3.3: Visual representation of key product features and design elements.
Figure 3.4: The circuit breaker is designed for reliable operation in various environmental conditions.
4. Technical Specifications
| Feature | Specification |
|---|---|
| Product Type | Mini Circuit Breaker (MCB) |
| Model Number | TOB1-63H |
| Poles | 3P (Three Pole) |
| Rated Voltage | 230/400V~ |
| Frequency | 50/60Hz |
| Rated Current Options | 3A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Breaking Capacity | 6kA |
| Characteristic Curve | C Type |
| Electrical Life | No less than 6000 operations |
| Mechanical Life | No less than 20000 operations (O-C) |
| Mounting | 35mm DIN Rail |
| Material | PA66 Flame Retardant Material |
| Dimensions (Front) | Length: 54mm (2.13in), Height: 78mm (3.07in) |
| Dimensions (Side) | Depth: 73mm (2.87in), Width: 45mm (1.77in) |
| Weight | 0.27 kg |
Figure 4.1: Detailed product parameters and dimensions of the circuit breaker.
Figure 4.2: Internal structure highlighting the interrupter, electromagnetic trip, bimetal, and mechanical handle.
5. Installation
- **Professional Installation**: After receiving the product, ensure that an electrical professional performs the installation and operation.
- **Wiring**: Connect the equipment in accordance with the provided wiring diagram specifications.
- **Parameter Adjustment**: Adjust the equipment parameters according to the instructions.
- **Mounting**: The circuit breaker is designed for 35mm DIN rail mounting.
Figure 5.1: Wiring diagram showing L input and L output connections. When power is input through the L and N terminals, screw down to penetrate the insulating layer of the power lines.
Figure 5.2: Front view diagram with labeled components for identification during installation.
Figure 5.3: Illustration of the circuit breaker mounted on a DIN rail.
Figure 5.4: Example of multiple circuit breakers installed within an electrical panel.
6. Operation
The circuit breaker features a simple ON/OFF mechanism indicated by the handle position and visual indicators.
- **Power ON**: Push the operating handle UP. A red indicator will be visible, signifying the circuit is powered on.
- **Power OFF**: Pull the operating handle DOWN. A green indicator will be visible, signifying the circuit is powered off.
Figure 6.1: Visual representation of the circuit breaker's handle positions and corresponding power status indicators (green for OFF, red for ON).
The device automatically breaks the circuit when the specified current is reached, providing protection against overload and short circuits.
Video 6.1: A short demonstration of the circuit breaker's physical appearance and operation.
7. Maintenance and Precautions
- **Placement**: Do not place the device near flammable materials.
- **Ventilation**: Ensure adequate ventilation during operation to prevent overheating.
- **Storage**: Disconnect from power and store properly when not in use for extended periods.
- **Cleaning**: Keep the device clean and free from dust and debris. Use a dry cloth for cleaning; do not use liquids.
- **Inspection**: Periodically inspect the circuit breaker for any signs of damage, loose connections, or discoloration. If any issues are found, consult a qualified electrician.
8. Troubleshooting
If the circuit breaker trips frequently or fails to operate correctly, consider the following:
- **Frequent Tripping**: This often indicates an overload or short circuit in the protected circuit. Identify and resolve the cause of the overload or short circuit before resetting the breaker.
- **Failure to Reset**: If the breaker does not reset after tripping, ensure the fault has been cleared. If the problem persists, the breaker itself may be faulty and require replacement by a qualified professional.
- **Overheating**: If the breaker feels excessively hot, immediately disconnect power to the circuit and have it inspected by an electrician.
For complex issues, always consult a qualified electrical professional.
9. User Tips
No specific user tips were available from reviews or Q&A for this product. Always adhere to the safety and installation guidelines provided in this manual.
10. Applicable Regulations and Harmonized Standards
This product complies with the following regulations and standards:
- **Low Voltage Directive (LVD)**: 2014/35/EU
- **Standards**: IEC 60947-1:2021, IEC 60947-3:2021, IEC 60898
- **Certification**: CE
11. Warranty and Support
For warranty information, technical support, or service inquiries, please contact your point of purchase or the manufacturer directly. Keep your purchase receipt as proof of purchase.