Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires
Transactions: US$10,000+
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Product Highlights
- Integrated Protection Device: Combines residual current relay, contactor, and MCCB into one unit.
- Multi-Function Safety: Protects against grounding faults, overcurrent, short circuits, phase loss, and overvoltage.
- Adjustable Protection Curve: Three-stage protection curve is adjustable for graded protection coordination.
- High Accuracy Electronic Trip: Electronic overcurrent trip unit less affected by temperature and installation position.
- RS485 Communication Interface: Allows parameter setting via programmer and supports communication networking.
- Fire and Shock Prevention: Prevents electrical fires and provides indirect contact protection against electric shock.
- Compliance with Standards: Meets GB14048.2-2008 and GB/T22387-2008 standards.
- Flexible Installation Options: Available in fixed or withdrawable installation structures.
Product Attributes
- Customization
- Available
- Breaking Capacity
- High Voltage Circuit Breakers
- Operation
- Manual Automatic
- Model NO.
- LDM9EL-400
- Speed
- Normal Type Circuit Breaker
- Arc-extinguishing Medium
- Air
- Installation
- Fixed or Withdrawable
- Structure
- MCCB
- Type
- Circuit Breaker
- Product Name
- Residual Current Circuit Breaker
- Model
- Ldm9EL-400
- Trademark
- customizable
- Origin
- China
Product Images of Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires
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Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires -
Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires -
Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires -
Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires -
Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires -
Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires -
Smart MCCB 250A-400A Current Protection Contactor Molded Case Circuit Breaker 3phases 4wires
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Product Description
Product Overview
The Smart MCCB integrates a residual current relay, contactor, and MCCB into one device. It is suitable for three-phase four-wire power supply systems with a grounded neutral point, providing protection against grounding faults, overcurrent, short circuits, phase loss, and overvoltage for circuits or electrical equipment. It can also prevent electrical fires and damage to electrical equipment caused by grounding faults, as well as provide indirect contact protection against electric shock hazards to individuals.
The product complies with the standards GB14048.2-2008 and GB/T22387-2008.
The overcurrent release is electronic, and the rated current can be adjusted according to the load conditions of the circuit. The three-stage protection curve is adjustable and can work in conjunction with lower-level circuit breakers to achieve graded protection. The electronic overcurrent trip unit offers high protection accuracy and is less affected by environmental temperature and installation position, serving as an upgraded product compared to thermal-magnetic overcurrent trip units (this product is available in both economical and standard types).
It is equipped with an RS485 serial interface, allowing the setting of protection characteristic parameters through a programmer, while also meeting the requirements for communication networking.
The Smart MCCB integrates a residual current relay, contactor, and MCCB into one device. It is suitable for three-phase four-wire power supply systems with a grounded neutral point, providing protection against grounding faults, overcurrent, short circuits, phase loss, and overvoltage for circuits or electrical equipment. It can also prevent electrical fires and damage to electrical equipment caused by grounding faults, as well as provide indirect contact protection against electric shock hazards to individuals.
The product complies with the standards GB14048.2-2008 and GB/T22387-2008.
The overcurrent release is electronic, and the rated current can be adjusted according to the load conditions of the circuit. The three-stage protection curve is adjustable and can work in conjunction with lower-level circuit breakers to achieve graded protection. The electronic overcurrent trip unit offers high protection accuracy and is less affected by environmental temperature and installation position, serving as an upgraded product compared to thermal-magnetic overcurrent trip units (this product is available in both economical and standard types).
It is equipped with an RS485 serial interface, allowing the setting of protection characteristic parameters through a programmer, while also meeting the requirements for communication networking.
Terms of use
Ambient Air Temperature:-20ºC ~+60ºC;
Atmospheric Conditions:At lower temperatures, higher relative humidity is acceptable, such as reaching 90% at 25ºC . It is important to consider the
condensation on the product surface due to temperature changes.
Installation Location:The altitude should not exceed 2000 meters. Otherwise, it needs derating operation
Pollution Level:III
Installation Category:III
The power supply sine wave distortion is less than 5%.
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASI2432494". Items marked "
" are certified.
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Company Profile
LEIDUN is an electrical enterprise integrating R&D, production, and trade, and our products are mainly photovoltaic components, High and low voltage electrical appliances and power distribution boxes.
OUR company is headquartered in Jiangsu Province, and our branch is in Zhejiang Province. Both places are coastal areas of China with developed economies and more standardized industries, which make our products competitive.
ALL kinds of products manufactured by LEIDUN have achieved significant advancements in both design and technical performance. They are primarily utilized in various sectors, such as the State Grid, PV systems, railway traffic, fire protection, construction engineering, hospitals, and other fields. Market sales data confirm that our products effectively meet customer needs and project requirements, earning approval and positive feedback from clients.
We have successfully obtained the "CCC" certificate and "CQC" certifications, along with three system certifications and numerous honorary awards. Since our establishment, we have been dedicated to manufacturing new energy photovoltaic products and operating in the high and low voltage electrical fields. Our enterprise development philosophy is centered on "specialization, excellence, and growth", and our service concept is "perseverance. " We aim to focus on global markets, strive for national brand recognition, and provide outstanding solutions for "carbon-neutral" and intelligent green electricity.
About Our Factory & Business Background
- Address
- Xiamen Village, Liushi Town, Yueqing City, Wenzhou, Zhejiang, China
- Nearest Port
- Ningbo, Shanghai
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2023-06-09
- Main Markets
- North America, Africa, Mid East
FAQ
- What protection functions does this device offer?
- It provides protection against grounding faults, overcurrent, short circuits, phase loss, and overvoltage.
- Is the protection curve adjustable?
- Yes, the three-stage protection curve is adjustable to work with lower-level circuit breakers.
- Can the rated current be adjusted?
- Yes, the electronic overcurrent release allows adjustment according to circuit load conditions.
- Does it support communication networking?
- Yes, it is equipped with an RS485 serial interface for parameter setting and networking.
- What is the maximum installation altitude?
- The altitude should not exceed 2000 meters; otherwise, derating operation is required.
- Is this device suitable for three-phase four-wire systems?
- Yes, it is suitable for three-phase four-wire power supply systems with a grounded neutral point.
- What standards does the product comply with?
- It complies with GB14048.2-2008 and GB/T22387-2008 standards.
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