Siemens 3RH2911-1DA20 Lateral Auxiliary Switch, 2 NO, 3RT2.1 Original Brand New

Overview: Siemens SIRIUS 3RH2911-1DA20 Auxiliary Switch

The Siemens 3RH2911-1DA20 is a high-quality, lateral mount auxiliary switch block designed specifically for expanding the auxiliary contacts of SIRIUS 3RT2.1 power contactors. This instantaneous auxiliary switch ensures reliable signal feedback and interlocking in industrial control circuits.

It features two (2) Normally Open (NO) instantaneous contacts and utilizes robust screw terminals for secure and easy wiring. As part of the SIRIUS modular system, it offers tool-free, snap-on mounting for quick installation on the side of the compatible contactor.

Key Product Features and Benefits

• Effortless Integration: Designed for lateral snap-on mounting on Siemens 3RT2.1 contactors (Size S00), allowing for quick, tool-free installation.
• Reliable Signaling: Provides 2 Normally Open (NO) auxiliary contacts for crucial status signaling and control circuit interlocking functions.
• Clear Contact Identification: Terminal designations are clearly marked: Left side (L): 43/44, 53/54; Right side (R): 23/24, 33/34.
• Secure Connection: Equipped with reliable screw terminals suitable for a variety of wire cross-sections, ensuring a durable connection.
• Industrial Standard: Part of the trusted Siemens SIRIUS modular system, guaranteeing compatibility and long-term performance (Mechanical life up to 10,000,000 operating cycles).

Application

• Industrial automation systems

• Motor control centers

• Machinery control panels

• Power distribution systems

• Electrical control cabinets

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