Siemens 3RH2921-1DA11 Auxiliary Contact Block

Siemens 3RH2921-1DA11 Auxiliary Contact Block

Siemens 3RH2921-1DA11 Auxiliary Contact Block

It is commonly use in conjunction with main electrical devices like contactors, relays, motor starters, or circuit breakers. The primary purpose of an auxiliary contact block is to provide auxiliary or secondary electrical contacts that are operated by the main device. These auxiliary contacts serve various functions, such as signaling, interlocking, control logic, or monitoring, and they play a crucial role in enhancing the functionality and safety of electrical control systems.

Product Specifications:

• Item – Auxiliary Contact Block
• For Use With – 3RT2; S0 Frame Contactors
•  Mounting – Side
• Number of NC Aux. Contacts –  1
• Number of NO Aux. Contacts – 1
• Number of Contacts – 2
• Voltage – 600 V AC