The Siemens 3RH29112GA04 is a factory-grade auxiliary switch block designed for reliable integration in industrial automation systems. This auxiliary switch block is essential for expanding the functionality of contactors by providing additional switching contacts for signaling and control functions. Its compact dimensions of 41.5 mm height, 36 mm width, and 47.7 mm depth make it suitable for installation in tight control panel spaces. It supports a durable snap-on mounting method, enabling quick and secure attachments to Siemens contactors. Operating effectively across a broad temperature range, it is engineered to withstand demanding environmental conditions typical in automation environments. Engineers and technicians often select the 3RH29112GA04 for applications requiring consistent performance and long service life in control circuits and auxiliary contact functions.
Key Features of Siemens 3RH29112GA04
Auxiliary switch block compatible with Siemens contactors
Rated for 690 VAC / 600 VDC operation
Includes 4 normally closed (NC) and 1 normally open (NO) contacts
Compact design with 41.5 mm height for space-saving mounting
Snap-on mounting for easy installation and replacement
High mechanical durability with over 200,000 operating cycles
Spring-type terminals for secure electrical connections
Wide operating temperature range from -25°C to +60°C
IP20 protection rating suitable for industrial environments
Explore Siemens 3RH29112GA04 specifications for detailed parameters
Parameter
Value
Dimensions (HxWxD)
41.5 x 36 x 47.7 mm
Rated voltage
690 VAC / 600 VDC
Contact configuration
4 NC + 1 NO
Mounting style
Snap-on
Operating temperature
-25°C to +60°C
Electrical connection
Spring-type terminals
IP rating
IP20
Applications / Use Case
This Siemens 3RH29112GA04 is commonly used in industrial automation worldwide. It enhances machine automation and process control systems by providing additional signaling and auxiliary contact options. Its reliable switching capability makes it ideal for use in production line systems and factory control panels. The auxiliary switch block is also widely employed in packaging and conveyor operations to monitor contactor status, enabling smarter control logic and safety functions in automated setups.
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3RH29112GA04
$12.13
ACHIEVING
4.0
average rating
With
95%
positive reviews
LESS THAN
1%
return rate
Any questions?
Does it come with a warranty?
Yes, All products are offered wth 1-Year warranty.
What is the condition of the product?
All products sold are New & Unused.
How fast is shipping?
All products are delivered within 2-8 business days depending on our stock location.
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