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The Selec CBCT-35-1-CE Core Balance Current Transformer (CBCT) is used primarily for detecting earth faults and providing protection in electrical systems. Here's a detailed overview of what you can expect from this type of core balance current transformer:
### Selec CBCT-35-1-CE Core Balance Current Transformer
#### **Description:**- **Model:** CBCT-35-1-CE- **Type:** Core Balance Current Transformer (CBCT)- **Purpose:** To detect earth faults and ensure safety by measuring the imbalance of currents in the system. It is typically used in conjunction with earth leakage relays to provide accurate fault detection.
#### **Key Features:**
1. **Core Balance Design:**   - **Core Type:** The CBCT has a toroidal (ring-shaped) core through which all the conductors pass. The core detects the imbalance of currents between live conductors and the ground.
2. **Rated Current:**   - **Primary Current Rating:** The CBCT is designed for a specific primary current rating, which for this model is generally suited to systems with a maximum current of 35A.
3. **Accuracy:**   - **Precision:** Provides accurate measurement of earth fault currents. The core balance transformer is designed to be highly sensitive to detect small leakage currents effectively.
4. **Construction:**   - **Material:** Usually constructed with high-quality materials to ensure durability and reliability. The core is often made of laminated silicon steel or similar materials to minimize core losses and improve performance.
5. **Mounting:**   - **Installation:** The transformer is typically installed around the bundle of conductors (e.g., live and neutral wires) in a panel or distribution board. The design allows easy integration into existing electrical setups.
6. **Size and Dimensions:**   - **Dimensions:** The core size and overall dimensions are designed to fit standard cable sizes and installation requirements. For the CBCT-35-1-CE, it is essential to ensure that the core diameter is compatible with the cables you are using.
7. **Compliance and Standards:**   - **CE Marking:** The "CE" designation indicates compliance with European safety and performance standards, ensuring the product meets stringent regulatory requirements.
8. **Output:**   - **Signal Type:** The CBCT typically provides an output signal that can be used to trigger alarms, relays, or other protective devices in the event of an earth fault.
9. **Temperature and Environmental Tolerance:**   - **Operating Conditions:** Designed to operate effectively within a specified temperature range and environmental conditions, suitable for various industrial and commercial environments.
#### **Typical Applications:**- **Earth Fault Detection:** Used in electrical panels, distribution boards, and other systems to detect and monitor earth faults.- **Protection Systems:** Integrated with earth leakage relays and protection systems to enhance safety and prevent damage.
### Installation and Usage:- **Installation:** Ensure correct installation around the conductor bundle. Proper alignment and secure mounting are crucial for accurate measurements.- **Calibration:** Check and calibrate the system as needed according to manufacturer guidelines to ensure accurate operation.
For specific details, including exact dimensions, installation instructions, and technical specifications, refer to the product datasheet or contact Selec directly. They can provide comprehensive information tailored to the CBCT-35-1-CE model to ensure it meets your specific requirements.

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SELEC CBCT-70-1-CE Core Balance Current Transformer

• Model: CBCT-70-1-CE
• Type: Core Balance Current Transformer (CBCT)
• Core Size: 70 mm (indicates the diameter of the core)
• Function: Measures the imbalance of current between the live conductors and the neutral conductor, useful for detecting earth faults and leakage currents
• Features:
  • High Accuracy: Provides precise measurement for reliable fault detection and protection
  • Compact Design: Space-efficient with a core size of 70 mm, suitable for various installations
  • Durable Construction: Designed for use in industrial and commercial environments
• Applications: Typically used in electrical panels and protection systems for earth fault detection and monitoring

This summary captures the essential details and functionality of the SELEC CBCT-70-1-CE core balance current transformer.

The Selec CBCT-310-1-CE Core Balance Current Transformer (CBCT) is a device used for monitoring and protecting electrical systems by detecting imbalances in current, which could indicate earth faults or leakage currents. This model is particularly designed to enhance safety in electrical installations by providing precise measurement and detection capabilities.

Features:

• Brand: Selec
• Model: CBCT-310-1-CE
• Type: Core Balance Current Transformer (CBCT)
• Application: Used for earth leakage protection and current monitoring

Specifications:

• Core Size: The CBCT-310-1-CE is designed with a specific core size to fit around conductors. The exact dimensions should be referenced from the product datasheet.
• Current Rating: Designed to handle specific ranges of current for accurate monitoring. The precise rating should be confirmed from the product specifications.
• Accuracy: High accuracy in detecting leakage currents and imbalances, essential for safety applications.
• Construction: Typically constructed from durable materials to ensure reliability and longevity. The core is made to fit around conductors without interfering with their operation.
• Compliance: Meets international standards and certifications, including CE, to ensure quality and safety.

Installation and Setup:

1. Preparation:

   • Verify Fit: Ensure the CBCT fits the size of the conductors and panel in your electrical system.
   • Safety Measures: Follow safety procedures, including de-energizing circuits if necessary, to avoid electrical hazards.

2. Installation:

   • Core Placement: Open the core and position it around the conductors you want to monitor. Ensure it encircles all the conductors that carry current.
   • Securing: Close the core securely, making sure that the CBCT is properly aligned and in place to ensure accurate measurements.
   • Wiring: Connect the secondary side of the CBCT to the monitoring or protection system as per the manufacturer's instructions.

3. Testing:

   • Verify Connections: Check all electrical connections to ensure they are secure and correctly insulated.
   • Operational Check: Power up the system and test the CBCT to ensure it is functioning correctly and detecting leakage currents as expected.