Power Bridge Rectifiers Fskd82-18 80a 1800v Rectifier Bridge Module Three Phase Bridge Rectifier

Overview of Single Three Phase Rectification Bridge Modules

Single three phase rectification bridge modules are essential components in power electronics, designed to convert alternating current (AC) from a three-phase supply into direct current (DC). These modules typically consist of six diodes arranged in a bridge configuration. They are widely used in industrial applications such as motor drives, welding equipment, and uninterruptible power supplies (UPS) systems due to their efficiency and reliability. The robust design ensures stable operation under varying load conditions, while the compact size facilitates easy integration into various electrical systems.

Features of Single Three Phase Rectification Bridge Modules

1. High Efficiency: Optimized for minimal power loss during AC-to-DC conversion.
2. Compact Design: Saves space within electrical installations, making it easier to integrate into existing systems.
3. Robust Construction: Built to withstand harsh environments and provide long-term reliability.
4. Wide Operating Temperature Range: Capable of operating efficiently across a broad temperature spectrum, enhancing versatility.
5. Low Thermal Resistance: Facilitates effective heat dissipation, contributing to prolonged component life.
6. Overcurrent Protection: Integrated safety features protect against potential damage from excessive currents.
7. Simplified Wiring: Reduces installation complexity and time with straightforward connections.
8. High Surge Current Capability: Handles transient overloads without compromising performance or longevity.

(Power Bridge Rectifiers Fskd82-18 80a 1800v Rectifier Bridge Module Three Phase Bridge Rectifier)

Specification of Power Bridge Rectifiers Fskd82-18 80a 1800v Rectifier Bridge Module Three Phase Bridge Rectifier

The FSKD82-18 is a high-performance three-phase bridge rectifier module designed for industrial and heavy-duty applications requiring efficient AC-to-DC conversion. This rectifier bridge is built to handle high voltage and current levels, making it ideal for power supplies, motor drives, welding equipment, and other systems demanding reliable and robust rectification. With a maximum average forward current rating of 80A and a peak repetitive reverse voltage of 1800V, it ensures stable operation under demanding conditions.

The module features a three-phase full-wave bridge configuration, enabling efficient conversion of three-phase AC input into DC output. Its low forward voltage drop (typically 1.25V per diode at rated current) minimizes power loss, enhancing overall system efficiency. The rectifier is constructed using advanced diode technology, ensuring fast recovery times and high surge current capability (up to 800A non-repetitive surge current), which protects against transient overloads.

Thermal performance is a key strength of the FSKD82-18. It incorporates a rugged, insulated metal baseplate for effective heat dissipation, allowing operation at junction temperatures up to 150°C. The module’s low thermal resistance (0.15°C/W junction-to-case) ensures reliable thermal management, even in high-temperature environments. Mounting holes and a compact design simplify integration into heatsinks or existing systems.

Electrical isolation between the baseplate and circuitry enhances safety, complying with international standards. The module is encapsulated in a durable, flame-retardant material (UL94 V-0 rating), providing protection against moisture, dust, and mechanical stress. Its screw terminal connections ensure secure wiring and reduce contact resistance.

Key specifications include an operating temperature range of -40°C to +150°C, storage temperature up to +175°C, and a weight of approximately 200 grams. The FSKD82-18 meets RoHS compliance and is suitable for applications such as industrial automation, renewable energy systems, battery chargers, and UPS systems. Its combination of high voltage tolerance, current capacity, and thermal resilience makes it a dependable choice for engineers seeking long-term performance in harsh electrical environments.

(Power Bridge Rectifiers Fskd82-18 80a 1800v Rectifier Bridge Module Three Phase Bridge Rectifier)

Applications of Power Bridge Rectifiers Fskd82-18 80a 1800v Rectifier Bridge Module Three Phase Bridge Rectifier

The FSKD82-18 80A 1800V Rectifier Bridge Module is a high-performance three-phase bridge rectifier designed to convert alternating current (AC) to direct current (DC) in demanding industrial and commercial applications. With a robust current rating of 80A and a voltage capacity of 1800V, this module is engineered to handle high-power loads while maintaining efficiency and reliability. Its three-phase design ensures smoother DC output compared to single-phase rectifiers, making it ideal for systems requiring stable and continuous power conversion.

**Key Applications**: This rectifier bridge is widely used in industrial motor drives, power supplies, welding equipment, and battery charging systems. It is also integral to renewable energy setups, such as solar inverters and wind turbine converters, where efficient AC-to-DC conversion is critical. Additionally, it serves heavy machinery, CNC equipment, and UPS (uninterruptible power supply) systems, providing consistent performance in environments with fluctuating voltages.

**Features & Benefits**: The FSKD82-18 boasts a compact, modular design that simplifies installation and saves space in control cabinets or equipment panels. Built with high-quality materials, it offers excellent thermal stability and heat dissipation, reducing the risk of overheating even under continuous operation. The module’s insulated casing enhances safety by preventing electrical interference and protecting against short circuits. Its low forward voltage drop minimizes energy loss, improving overall system efficiency.

**Durability**: Engineered for harsh conditions, the rectifier withstands temperature extremes, vibration, and moisture, ensuring longevity in challenging industrial settings. The screw terminal design enables secure connections, reducing maintenance needs.

**Installation Considerations**: Proper heat sinking and ventilation are recommended to maximize performance. Ensure correct phase alignment and torque settings during mounting to avoid mechanical stress.

**Compliance**: The module meets international safety and quality standards, including RoHS and CE certifications, guaranteeing reliability and environmental compliance.

Ideal for engineers and technicians seeking a dependable, high-power rectification solution, the FSKD82-18 combines advanced performance with rugged construction, making it a cornerstone of modern power management systems.

Company Profile

PDDN Photoelectron Technology Co., Ltd.(sales@pddn.com) is one of the leading enterprises in power electronics technology and power products, which is fully involved in developing solar inverters， transformers, voltage regulators, distribution cabinets, thyristors， modules， diodes， heaters, and other electronic devices or semiconductors. We will be committed to providing users with high-quality, efficient products and considerate service.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. If you want high-quality Power Bridge Rectifiers Fskd82-18 80a 1800v Rectifier Bridge Module Three Phase Bridge Rectifier, please send us inquiries; we will be here to help you.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment

By sea, by air, by express, as customers request.

Storage Conditions

1) Store in a dry environment at room temperature.

2) Avoid damp and high temperature.

3) Use immediately after opening the inner packing bag.

5 FAQs of Power Bridge Rectifiers Fskd82-18 80a 1800v Rectifier Bridge Module Three Phase Bridge Rectifier

The Power Bridge Rectifier FSKD82-18 is a three-phase bridge rectifier module designed to convert AC to DC in high-power applications. Below are five frequently asked questions about this module:

**1. What are the primary applications of the FSKD82-18 rectifier?**
This rectifier is ideal for industrial equipment requiring high-voltage DC output, such as motor drives, welding machines, power supplies, and renewable energy systems like wind or solar inverters. It is also used in automation, UPS systems, and heavy machinery where efficient three-phase AC-to-DC conversion is critical.

**2. What do the 80A and 1800V specifications mean?**
The 80A rating indicates the maximum average forward current the module can handle continuously under specified conditions. The 1800V refers to the peak repetitive reverse voltage (V_RRM), meaning it can withstand up to 1800V in reverse bias without breakdown. These specs ensure reliability in high-power environments, though derating may be needed at extreme temperatures.

**3. How is the rectifier installed and connected?**
The module has labeled terminals for three-phase AC input (phases A, B, C) and DC output (+/-). Proper installation requires secure mounting on a heatsink, correct phase sequencing, and torque-compliant terminal connections. Always follow the datasheet for wiring guidelines and ensure insulation to prevent short circuits.

**4. Does it require thermal management?**
Yes. The module generates heat during operation and must be paired with an adequately sized heatsink and thermal paste to maintain junction temperatures within safe limits (typically -40°C to +150°C). Forced airflow or cooling systems may be necessary in high-load scenarios to prevent overheating and ensure longevity.

**5. Is the FSKD82-18 certified for safety and compliance?**
Yes. It meets international standards like UL, CE, and RoHS, ensuring safety, electromagnetic compatibility, and environmental compliance. These certifications guarantee suitability for industrial and commercial use while adhering to global regulatory requirements.

This rectifier balances high performance, durability, and safety, making it a robust choice for demanding three-phase rectification tasks.

(Power Bridge Rectifiers Fskd82-18 80a 1800v Rectifier Bridge Module Three Phase Bridge Rectifier)