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DC Contactor Product List

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DC Contactor "SW120 Series"

DC Contactor "SW120 Series"

It is equipped with a bipolar double-break contact with a silver alloy chip that has excellent conductivity.

The "SW120 series" is designed for DC loads and is typically used in motors for small electric vehicles such as light industrial trucks and powered vehicles. These contactors are not affected by polarity, allowing them to be used for switching AC loads. Additionally, this series features a two-pole double-break contact with silver alloy chips that have weld resistance, high hardness wear resistance, and excellent conductivity. 【Features】 ■ Rated current 125A ■ Contactors are not affected by polarity ■ Usable for switching AC loads ■ Weld resistant ■ High hardness wear resistance *For more details, please refer to the PDF materials or feel free to contact us.

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DC Contactor "SU60 Series"

DC Contactor "SU60 Series"

It is a single-pole main contact made of silver alloy chips, featuring wear resistance and excellent conductivity.

The "SU60 Series" is a high-performance, standalone compact contactor that supports both intermittent and continuous loads. It is suitable for switching between resistive loads, capacitive loads, and inductive loads. Additionally, it is widely used in motors for small electric vehicles and hydraulic power packs. 【Features】 - Supports both intermittent and continuous loads - High performance - Ideal for switching between resistive loads, capacitive loads, and inductive loads - Single-pole main contacts made of silver alloy chips - Resistant to welding *For more details, please refer to the PDF document or feel free to contact us.

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DC Contactor "SU280 Series"

DC Contactor "SU280 Series"

Easy to install! Contactor designed for motors used in electric vehicles.

The "SU280 series" is designed for motors used in direct current loads, particularly for electric vehicles such as industrial trucks and airport tractors. The main contacts are made of silver alloy chips, providing resistance to welding, durability against wear, and excellent conductivity. Additionally, there are M5-sized tapped holes in the frame and optional mounting brackets available, making installation easy. 【Features】 ■ Main contacts are silver alloy chips ■ Resistant to welding ■ Durable against wear ■ Excellent conductivity ■ Can be mounted vertically or horizontally *For more details, please refer to the PDF document or feel free to contact us.

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DC contactor and emergency stop switch integrated 'SD200 series'

DC contactor and emergency stop switch integrated 'SD200 series'

Two functions, a manual emergency stop button and a coil-type line contactor, combined into one.

The "SD200 Series" is designed to provide a means to quickly disconnect batteries and other power sources in the event of a significant electrical failure. Its compact size reduces the required installation area, and since installation can be completed in one go, it also reduces wiring and labor costs. The switch is primarily designed for battery-powered vehicles but is also suitable for static power systems. All types can safely interrupt the full load battery current in an emergency. 【Features】 - Designed to provide a means to quickly disconnect batteries and other power sources - Compact size reduces the required installation area - Installation can be completed in one go, reducing wiring and labor costs - Switches are primarily designed for battery-powered vehicles - Also suitable for static power systems *For more details, please refer to the PDF document or feel free to contact us.

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DC contactor and emergency stop switch integrated 'SD250 series'

DC contactor and emergency stop switch integrated 'SD250 series'

Rated current 250A, suitable for battery-powered vehicles, applied to static power systems.

The "SD250 Series" is designed to provide a means to quickly disconnect batteries and other power sources in the event of a significant electrical failure. The switch is primarily designed for battery-powered vehicles but is also suitable for static power systems. All types can safely interrupt the full load battery current in an emergency. Additionally, as an option, a fuse holder for inline fuses can be pre-installed. 【Features】 ■ Rated current 250A ■ Applicable for battery-powered vehicles and static power systems ■ Designed to provide a means to quickly disconnect batteries and other power sources ■ Compact size ■ Reduces the required installation area *For more details, please refer to the PDF document or feel free to contact us.

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DC contactor and emergency stop switch integrated 'SD300 Series'

DC contactor and emergency stop switch integrated 'SD300 Series'

The compact size allows for installation to be completed in one go, reducing wiring and labor costs.

The "SD300 Series" is a product that combines two functions: a manual emergency stop button and a coil-type line contactor. Its compact size reduces the required installation area, and since it can be installed in one go, it also reduces wiring and labor costs. Additionally, it is designed to provide a means to quickly disconnect batteries or other power sources in the event of a serious electrical failure. 【Features】 ■ Rated current: 300A ■ Designed to provide a means to quickly disconnect batteries or other power sources ■ Compact size ■ Reduces the required installation area ■ Installation can be completed in one go *For more details, please refer to the PDF document or feel free to contact us.

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DC Contactor "DC92 Series (for Motor Reversal)"

DC Contactor "DC92 Series (for Motor Reversal)"

Standard mounting brackets included! The main terminal of the M8 stud can be configured in various ways.

The "DC92 Series" is a DC contactor developed to handle both intermittent and continuous loads, suitable for switching resistive, capacitive, and inductive loads. It is designed for motors used in small electric vehicles, particularly light industrial trucks. The silver alloy contact chips mounted on the main contacts in a double-contact configuration provide excellent resistance to welding, wear resistance, and high conductivity. 【Features】 ■ Rated current: 100A (intermittent) / 125A (continuous) ■ Designed for motors used in small electric vehicles, such as light industrial trucks ■ Developed to accommodate both intermittent and continuous loads ■ Suitable for switching resistive, capacitive, and inductive loads ■ Offers excellent resistance to welding, wear resistance, and high conductivity *For more details, please refer to the PDF document or feel free to contact us.

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Avoiding regulatory risks of DC contactors! Safety standards and scope of application.

Avoiding regulatory risks of DC contactors! Safety standards and scope of application.

A detailed explanation of the importance of DC contactors, the background of regulations, and the main applicable regulations and safety standards!

The regulations regarding DC contactors are complex, and neglecting to understand them can lead to significant risks. This article comprehensively explains the safety standards required for DC contactors, covering major domestic regulations in Japan such as the Electrical Appliance and Material Safety Law, international safety standards like IEC, UL, and CE, as well as the applicable scope for specific applications such as electric vehicles (EV) and renewable energy. By learning about regulatory trends and practical risk avoidance strategies, you can effectively avoid legal risks in product development and implementation, gaining concrete knowledge to enhance safety and market competitiveness. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.*

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Solving Quality Issues with DC Contactors! Tips for Improving Reliability and Selection Useful on Site

Solving Quality Issues with DC Contactors! Tips for Improving Reliability and Selection Useful on Site

Deeply addressing the quality issues of DC contactors and uncovering their root causes!

Are you troubled by frequent failures, short lifespans, or unexpected issues with DC contactors? In this article, we will thoroughly explain the root causes of common quality problems with DC contactors and share tips for improving reliability on-site and selecting the right products. By reading this article, you will gain specific knowledge and practical solutions to prevent quality-related troubles in advance, ensuring stable operation of your equipment and reducing maintenance costs. From how to choose reliable DC contactors to operational techniques for extending their lifespan, you will find hints to solve your concerns here. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.

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What is the best way to choose a DC contactor for BMS?

What is the best way to choose a DC contactor for BMS?

A Complete Guide to Maximizing Electrical Durability! Key Selection Points Introduced.

Battery Management System (BMS) is essential for electric vehicles and stationary storage batteries. One of its core components, the DC contactor, is an important switch that plays a crucial role in controlling charging and discharging as well as ensuring safety disconnection. In particular, in the BMS, the 'electrical durability' of the contactor becomes a decisive factor that influences safety and reliability. This article clearly explains the practical knowledge for selecting contactors suitable for BMS, including factors affecting the lifespan of DC contactors, selection criteria, and key points for operation and maintenance to maximize durability. *For detailed content of the column, you can view it through the related link. For more information, please download the PDF or feel free to contact us.

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DC Contactor "DCNLR Series"

DC Contactor "DCNLR Series"

60VDC 100/200A Continuous open/waterproof and dustproof/resin housing. Space-saving design allows for installation in any orientation.

Introducing Littelfuse's 60V DC contactor, the "DCNLR Series." It is ideal for safely disconnecting applications that require continuous use. It features a waterproof and dustproof design that withstands harsh environments with an IP67 rating. This product has a space-saving design and can be installed in any orientation. 【Features】 - Suitable for EV designs in low voltage systems of 100-200A 60Vdc - Complies with IP67 (waterproof and dustproof) - No polarity, can handle charge and discharge lines independently - Built-in coil suppressor - Sealed contacts ensure safety against arc leakage *For more details, please download the PDF (English version) or feel free to contact us.

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DC Contactor SW60 Series

DC Contactor SW60 Series

It supports applications between a 30A relay and a 100A contactor.

The D.C. Contactor SW60 series is a contactor for standalone installation. It has a continuous maximum rating of 80A, suitable for applications between a 30A relay and a 100A contactor. 【Product Lineup】 ■SW60 ■SW60P ■SW61 ■SW63 ■SW66 ■SW68, etc. *For more details, please download the PDF or contact us.

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DC Contactor "SU80 Series"

DC Contactor "SU80 Series"

Suitable for resistive, capacitive, and inductive switching! It has excellent conductivity.

The "SU80 Series" is an upgraded version of the "SW80 Series" contactors designed for continuous and intermittent loads. It is suitable for resistive, capacitive, and inductive switching. Typical applications include electric motors, hydraulic power packs, winches, speed controllers, UPS, and distribution systems, but the applications are not limited to these. 【Features】 ■ Upgraded version of the "SW80 Series" contactor ■ Single-pole silver alloy chip main contacts ■ Weld-resistant ■ Resistant to wear ■ Excellent conductivity *For more details, please refer to the PDF materials or feel free to contact us.

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DC Contactor "DC66P Series (for Motor Reversal)"

DC Contactor "DC66P Series (for Motor Reversal)"

IP67 class waterproof and dustproof functionality! The main contact circuit has a built-in fail-safe.

The "DC66P Series" is a compact contactor based on the design of our monoblock contactor specifically configured for motor reverse operation. It is suitable for DC loads and is compatible with advanced electronic control systems. Additionally, it features IP67 class waterproof and dustproof capabilities, making it ideal for applications such as battery-operated winches, cranes, and small electric vehicles. 【Features】 ■ Rated current 80A ■ Specially configured for motor reverse operation ■ Compact ■ Compatible with advanced electronic control systems ■ IP67 class waterproof and dustproof capabilities *For more details, please refer to the PDF document or feel free to contact us.

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DC Contactor "DC88 Series (for Motor Reversal)"

DC Contactor "DC88 Series (for Motor Reversal)"

Rated current 100A, DC load! Compact design with monoblock structure.

The "DC88 Series" is designed for motors used in direct current loads, particularly in electric vehicles such as industrial trucks. It features a monoblock structure with a compact design compatible with advanced electronic control systems. It has been developed to accommodate both intermittent and continuous loads, making it suitable for switching resistive, capacitive, and inductive loads. 【Features】 ■ Rated current of 100A ■ Compact design compatible with advanced electronic control systems ■ Developed to handle both intermittent and continuous loads ■ Suitable for switching resistive, capacitive, and inductive loads ■ Built-in fail-safe main contact circuit designed for motor reversal *For more details, please refer to the PDF document or feel free to contact us.

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DC Contactor "DC182 Series (for Motor Reversal)"

DC Contactor "DC182 Series (for Motor Reversal)"

For motors used in electric vehicles! A sleek and compact design.

The "DC182 Series" is designed for motors used in electric vehicles, particularly industrial trucks and airport tractors, under direct current loads. It features contact chips made of silver alloy mounted on a two-contact main contact system, providing excellent resistance to welding, wear, and high conductivity. The main contact circuit designed for motor reversal includes a fail-safe mechanism, ensuring that when both coils are energized simultaneously, the contact arrangement opens. 【Features】 ■ Rated current: 150A ■ Direct current load ■ Silver alloy contact chips mounted on a two-contact main contact system ■ Excellent resistance to welding, wear, and high conductivity ■ Main contact circuit designed for motor reversal includes a fail-safe mechanism ■ Contact arrangement opens when both coils are energized simultaneously *For more details, please refer to the PDF document or feel free to contact us.

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Explaining the safety standards for high voltage DC contactors! A selection guide to prevent accidents.

Explaining the safety standards for high voltage DC contactors! A selection guide to prevent accidents.

Ensure safety! You can acquire the essential knowledge for building a highly reliable system.

The selection and operation of contactors in high voltage DC systems are directly related to serious accidents such as electric shock and fire. This article provides a comprehensive explanation of "High Voltage DC Contactor Safety Standards." It covers the understanding of major safety standards such as international standards IEC and UL, domestic JIS, and automotive ISO 26262, as well as appropriate selection methods to prevent accidents and key points for safe operation and maintenance. Through this article, you can acquire essential knowledge to ensure the safety of high voltage DC systems and build a highly reliable system. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.*

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Extend the lifespan of DC contactors! Timing and measures to prevent troubles in advance.

Extend the lifespan of DC contactors! Timing and measures to prevent troubles in advance.

An easy-to-understand explanation of the importance of knowing lifespan and the main factors that influence it!

The lifespan of DC contactors is directly linked to the stable operation and safety of equipment. This article comprehensively explains the main factors that influence lifespan, such as frequency of operation, load, and surrounding environment, as well as signs of deterioration, specific methods for extending lifespan including measures against arcs and surges, and how to determine the appropriate timing for replacement. By reading this article, you will gain practical knowledge and measures to prevent troubles such as unexpected equipment failures, reduced productivity, and increased repair costs, thereby maximizing the lifespan of your equipment. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.

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Benefits of Introducing High Voltage DC Contactor HV500 and Use Cases

Benefits of Introducing High Voltage DC Contactor HV500 and Use Cases

Balancing safety and reliability! Introducing examples such as electric vehicles (EV) and hybrid vehicles (HEV).

Enhancing the safety and reliability of EVs and BESS (Battery Energy Storage Systems) with the key component, high-voltage DC contactor "HV500." Why is it adopted in many cutting-edge systems? The reason lies in its industry-leading interruption performance and robust structure that withstands harsh environments. This article comprehensively explains the technical features of the HV500, specific implementation benefits, key use cases, and points to consider to avoid mistakes in selection. *For detailed content of the column, please refer to the related link. For more information, feel free to download the PDF or contact us.

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DCコンタクタ技術ハンドブック

DCコンタクタ技術ハンドブック

EV・HEV設計者向けにDCコンタクタの基礎知識、設計ポイントなどを解説した技術資料を進呈中

現在、DCコンタクタの役割・構造といった基礎知識や、 電動車両における設計ポイントや安全規格対応などを解説した 『DCコンタクタ技術ハンドブック ─設計トラブルを防ぐ実践的ノウハウ─』を進呈中です。 基礎から応用まで幅広い知識を体系的に整理しており、安全遮断や プリチャージ回路、フェイルセーフ機能などに関する情報のほか、 PWMエコノマイザーの導入メリットについて分かりやすく解説しています。 【掲載内容（抜粋）】 ■設計者が最初に理解すべきテーマ ―「アーク」とDCの難しさ ■DCコンタクタの構造と動作のポイント ■実務で役立つ「選定の勘所」 ■メイン回路からフェイルセーフ機能まで、EVの安全を支えるキーデバイス ■PWM制御によるDCコンタクタの省電力化と高温対応 ※詳しい内容は下記ダウンロードボタンよりすぐにご覧いただけます。 　お問い合わせもお気軽にどうぞ。

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