Siemens 3RH2911-1XA31-0MA0 Auxiliary Switch Block

Part number: 3RH2911-1XA31-0MA0. This Sirius series front-mounted auxiliary switch block provides additional signaling contacts for 3RT2 contactors and 3RH2 contactor relays. It features a 4-pole configuration with screw terminal connections for secure integration into control circuits.

Full model name: Siemens Sirius 3RH2911-1XA31-0MA0 Auxiliary Switch Block

Application: Control cabinet systems, motor starters, and industrial automation signaling for 3RT2 and 3RH2 series contactors.

Technical Specifications:
• Contact Configuration: 3 NO + 1 NC (Normally Open / Normally Closed)
• Mounting Type: Front-mounted snap-on
• Insulation Voltage: 690 V
• Surge Voltage Resistance: 6 kV
• Operational Current (AC-15 at 230 V): 6 A
• Mechanical Service Life: 10000000 cycles
• Protection Class: IP20 on the front
• Terminal Type: Screw terminal
• Net Weight: 0.051 kg

Technical Documentation:
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