Siemens 3RH2 Series Auxiliary Contact, 1NC + 1NO, 10A Contact Current Rating - 3RH2921-1DA11 This auxiliary contact is designed for integration into various electrical systems, enhancing contactor performance and enabling efficient power distribution management. Its robust design supports a wide operational temperature range, contributing to versatility across diverse applications. Features & Benefits • Dual contact configuration for flexible usage
• Rated for 600 V DC for enhanced reliability
• 10 A contact rating ensures robust performance under load
• Snap-on mounting facilitates easy installation
• Screw terminal connections for straightforward wiring
• Operates within a temperature range of -25 to 60°C Applications • Compatible with contactors from the 3RT2 series
• Used in relay operations within control circuits
• Integrated into automation systems for improved switching performance
• Suitable for applications requiring high-temperature tolerance What is the operational lifespan of this component? The mechanical service life is typically rated at 10,000,000 cycles. Can it be installed in confined spaces? Yes, it features a compact design suitable for tight spaces. What type of terminals does it utilise? It employs screw-type terminals for secure electrical connections. Is it compatible with different voltage levels? Yes, it supports various operational currents across multiple voltage ratings. What temperatures can it withstand during operation? It operates effectively within a temperature range of -25 to 60°C.