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this specific model is a direct acting module typically used for low water cutoff
Enhanced Safety: Rapidly detects flame loss to safely interrupt the gas supply and prevent hazardous accumulation
Enhanced Durability: The SINI (Silicon Nitride) construction provides a higher physical density than carbide
Precise Voltage Conversion: Efficiently steps down 115V primary input to a consistent 24V secondary output for reliable control circuit performance
Precision Speed Adjustment: The variable pitch design allows for minute adjustments to the pitch diameter
Siemens Industrial Controls 3RH2911-1HA11 Contact 322838-754 this specific model is aThe Siemens 3RH2911 1HA11 is a high performance SIRIUS auxiliary contact block designed for front mounting on 3RT2 contactors and 3RH2 contactor relays. This 2 pole unit features a 1NO + 1NC (Normally Open and Normally Closed) configuration, providing essential signaling and interlocking capabilities for industrial motor control circuits. Engineered for seamless integration, it utilizes a snap on mounting system that allows for tool free installation