3RH1911-1HA12 – Siemens 4-Pole Auxiliary Switch Block 1NO+2NC Screw Terminal for Motor Contactors

3RH1911-1HA12

3RH1911-1HA12 is a 4-pole auxiliary switch block designed for motor contactors, featuring 1 normally open (NO) and 2 normally closed (NC) contacts with screw terminals for reliable connection. This Siemens auxiliary switch block is front-mounted and compatible with Sirius motor contactors, providing flexible control circuit expansion for industrial motor applications. The block is designed for both AC and DC operation, supporting a wide range of control voltages and currents. It is suitable for use in systems requiring auxiliary contact reliability and easy installation.

• 4-pole auxiliary switch block
• 1 NO + 2 NC contacts
• Screw terminal connection
• Front mount design
• Compatible with Sirius motor contactors
• Rated for AC and DC operation
• Operational current up to 10 A
• Suitable for control circuits up to 690 V AC
• Complies with EN 50012
• Designed for motor control applications
• Removable block for easy replacement
• Compact and reliable construction

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Specifications

• Part Number: 3RH1911-1HA12
• Manufacturer : Siemens
• Brand : Siemens
• Category : Motor Control
• Item Subcategory : Contactor And Motor Starter Auxiliary
• Configuration : 1NO/2NC

Product Data

• UPC : 754554415864
• Weight : 0.0858