Product Info

Discover the top 5 causes of DC solenoid failure in factory systems and learn practical design and usage tips to extend product life and minimize downtime.

■ Introduction
DC solenoids (โซลินอยด์กระแสตรง) are essential in automation systems for machinery, electronics, and vehicles. A single solenoid failure can disrupt entire operations. Understanding lifespan-related factors helps engineers and operators ensure better system reliability and maintenance planning.

■ 1. Electrical Conditions and Effects
Excess voltage can overheat coils and degrade insulation, while low voltage may cause misfiring or incomplete actuation. Both lead to premature wear. Use stable power sources and control the duty cycle effectively to prolong lifespan.

■ 2. Wear from Repetitive Operation
High switching frequency causes friction in internal parts. Dust and insufficient lubrication worsen this. Choose designs with wear-resistant materials and low-friction mechanisms.

■ 3. Operating Environment
Humidity, heat, and dust can all shorten solenoid life. Moisture risks short circuits; dust may jam moving parts. Use sealed or IP-rated solenoids for harsh environments.

■ 4. Load and Mechanical Design
Unbalanced loads or improper spring tension cause stress and failure. Ensure the solenoid is correctly matched with its mechanical load for optimal performance.

■ 5. Control Method and Power Consumption
Techniques like PWM control or reducing holding current post-actuation minimize heat and extend lifespan. Prioritize well-designed control circuits alongside solenoid selection.

■ Product Recommendation: DC Solenoids by Nissei Ushiyama (Thailand) Co., Ltd.
For long-lasting DC solenoids designed for tough industrial conditions, consider those from Nissei Ushiyama (Thailand) Co., Ltd.
Features include:
・ High safety – ideal for applications such as shift locks and security devices
・ Versatility – used in automotive, office, and home electronics
・ Customizable – available in various forces, sizes, and speeds

■ For more details, download the PDF or contact us directly.

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