西门子辅助开关块 3RH1921-1EA20

Siemens 3RH1921-1EA20 Auxiliary Contact Block is a high-quality industrial component designed for reliable performance in demanding electrical applications. This auxiliary contact block is part of Siemens' renowned range of industrial control and automation solutions, offering precision engineering and durability for long-term use.

Product Features:

• 2 Normally Open (NO) Contacts: Provides versatile connectivity options for various control circuits.
• Compact Design: Space-saving form factor ideal for integration into tight spaces within control panels.
• Durable Construction: Made from high-grade materials to withstand harsh industrial environments.
• Wide Voltage Range: Compatible with both AC and DC systems, supporting voltages up to 500V AC and 240V DC.
• High Current Rating: Rated for up to 10A, ensuring reliable operation under heavy loads.
• Compliant Standards: Meets international safety and quality standards including IEC 60947 and VDE 0660.
• CE and UL Listed: Certified for safe use in commercial and industrial settings worldwide.

Specifications:

• Model Number: 3RH1921-1EA20
• Number of Contacts: 2 NO
• Voltage Rating: 24V DC, 220/230V AC, 500V AC
• Current Rating: 10A
• Insulation Resistance: 100 MΩ minimum
• Dielectric Strength: 2 kV AC for 1 minute
• Operating Temperature Range: -25°C to +55°C
• Material: Flame-retardant thermoplastic housing
• Dimensions: [Insert dimensions if visible in images]
• Weight: [Insert weight if visible in images]

Applications:

• Used in industrial control panels for signaling and monitoring purposes.
• Integrated into motor control circuits for auxiliary contact functions.
• Employed in automation systems for status indication and interlocking.
• Applied in power distribution systems for auxiliary switching needs.
• Utilized in manufacturing equipment for process control and safety interlocks.

Benefits:

• Enhanced Safety: Ensures secure and reliable operation in critical applications.
• Long Service Life: Designed for durability and minimal maintenance requirements.
• Easy Installation: Modular design allows for quick and straightforward mounting on DIN rails.
• Cost-Effective Solution: Offers excellent value for money with superior performance and reliability.
• Global Compatibility: Suitable for use in diverse industrial environments worldwide.