Siemens Auxiliary Switch Block, 4 Contact, 3 NO/1 NC, Snap-On Mount, 10 A, 600 V DC, 690 V AC, 3RH2911-1XA31-0MA0

Siemens 3RH2911-1XA31-0MA0 Auxiliary Switch Block is a high-quality auxiliary contact accessory designed for automation and electrical control applications. This 4-contact block with a 3 NO (Normally Open) and 1 NC (Normally Closed) configuration is part of the 3RH29 series and provides reliable switching performance.

The switch block uses a snap-on mounting system that enables quick and secure installation on compatible contactors. It supports a contact current of 10 A and is rated for contact voltages of 600 V DC and 690 V AC, making it suitable for demanding industrial electrical environments.

With a mechanical durability of 10 million cycles, it offers long-lasting operational reliability. The operating temperature range between -25°C and +60°C ensures that the device can function effectively in various industrial and commercial conditions. The screw terminal type allows for straightforward wiring, accommodating cables up to 2 x 2.5 mm².

This product is specifically designed for front-side mounting location, making it convenient for system configuration and maintenance. Rated insulation voltage (Ui) is 690 V, which complies with safety and insulation requirements.

Manufactured in the Czech Republic, the auxiliary switch block meets stringent quality standards and is widely used across electrical automation, control gear, and contactor systems within HVAC, manufacturing, and industrial process sectors.

This auxiliary switch block is designed for front-side mounting on 3RH contactors. The contact voltage rating includes 600 V DC and 690 V AC for versatile use. It has a mechanical durability rating of 10 million cycles ensuring long service life.

Operational temperature ranges from -25°C to 60°C for reliable performance in diverse environments. Screw terminal type ensures secure and easy cable connections. Suitable for industrial automation, electrical control gear, and contactor auxiliary contact applications.

Rated insulation voltage (Ui) is 690 V, meeting industry safety standards. Manufactured in the Czech Republic with quality assurance and compliance.

This Siemens auxiliary switch block is ideal for engineers and technicians seeking dependable supplemental contacts for 3RH series contactors. It facilitates expanded control capabilities and monitoring in automation and electrical distribution panels.

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