## **Satuma Denki Co., Ltd. – Company and Product Overview**
**Satuma Denki Co., Ltd.**, founded in February 1970 and based in Numazu City, Shizuoka Prefecture, Japan, is a specialized manufacturer of industrial electromagnetic brakes. The company’s products are widely used in applications such as cranes, sluice gates, general industrial equipment, and both new and existing steel plants.
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### **Company Information**
* **Company Name:** Satuma Denki Co., Ltd.
* **Founded:** February 1970
* **Location:** Numazu, Shizuoka, Japan
* **Capital:** ¥10 million
* **Employees:** Approximately 40–45
* **Main Business:** Design, manufacture, and sale of electromagnetic brakes for industrial motors
* **Main Clients:** Crane systems, industrial plants, water valve gates, steelworks, and high-load mechanical systems
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## **Main Products**
Satuma Denki specializes in electromagnetic brakes for electric motors, offering two major categories of braking systems:
### **1. Drum-Type Electromagnetic Brakes**
Representative models include:
* **BRS5 Series** – Drum brakes using AC-operated DC control
* **BMS5-T / BMS5-WT Series** – Mu-lift type brakes
* **BFS5-T Series** – AL-type drum brakes
* **BDS5 Series** – DC electromagnetic brake units
### **2. Disc-Type Electromagnetic Pad Brakes**
Representative models include:
* **BRP2 Series** – AC-operated DC pad brake
* **PB3 Series** – High-performance pad-style disk brake
In addition, the company provides consumable spare parts and accepts small-lot orders to support maintenance operations.
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## **Features and Strengths**
### **1. In-House Integrated Manufacturing**
All manufacturing processes are carried out within the company—from design, welding, machining, and assembly to painting and electronic unit integration—ensuring complete quality control.
### **2. High-Safety Industrial Brakes**
Satuma Denki’s brake systems are deployed in steelworks, cranes, and sluice gate operations with a focus on safety and reliability under demanding industrial conditions.
### **3. Technical Seminars and On-Site Training**
The company offers training workshops for brake maintenance and installation, supporting factory operators and crane engineers in both domestic and overseas markets such as Taiwan and Thailand.
### **4. Female Leadership**
President Kumiko Kajikawa is a respected figure in Shizuoka’s industrial community, known for driving the company’s growth and modernization while serving as a model of female leadership in manufacturing.
### **5. Global Market Development**
The company actively works to expand its presence overseas, especially in Asia, aiming to provide safe and durable braking systems to industrial clients worldwide.
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## **Key Product Models**
| Brake Type | Representative Models |
| --------------------- | ------------------------------------------------------------------------- |
| Drum-Type | BRS5, BMS5-T, BMS5-WT, BFS5-T, BDS5 (DC electromagnetic) |
| Disc-Type (Pad Brake) | BRP2 (AC-operated DC pad brake), PB3 (pad-style disk brake) |
| Spare Parts | Consumables and components for brake maintenance, available in small lots |
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## **System Advantages and Service Capabilities**
* All production processes are handled internally, allowing for strict quality control and flexible custom specifications.
* Products are designed for high safety, suitable for heavy-load systems such as cranes, sluice gates, and steel plants.
* Comprehensive support is provided through training and education to maintenance technicians and industrial partners.
* Global customer support is available, especially throughout Asia, based on Satuma Denki’s strong industrial background.
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## **Conclusion**
**Satuma Denki Co., Ltd.** is a trusted specialist in the design and manufacture of electromagnetic brakes for industrial motors. With a strong focus on safety, quality, and full-cycle in-house production, the company provides durable and efficient solutions for various heavy-duty applications. Through its technical expertise, customer education, and international outreach, Satuma Denki has established itself as a reliable partner for industrial braking systems in Japan and beyond.