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Siemens 3RH1911-1FA22

SKU3RH1911-1FA22

ManufacturerSiemens

CategoryIndustrial automation components

12-month warranty

Available: 38 units

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Description

The Siemens 3RH1911-1FA22 is an auxiliary switch block designed for integration with Siemens SIRIUS contactor relays and power contactors. This component features two normally open (NO) and two normally closed (NC) contacts, facilitating versatile control and signaling functions within industrial automation systems. It is engineered for snap-on front mounting on size S00 contactors, ensuring straightforward installation and secure attachment. The device operates with a rated insulation voltage of 690 V and is rated for a maximum surge voltage of 6 kV, providing robust protection against electrical surges. Its mechanical service life is approximately 10 million switching cycles, while the electrical endurance at AC-15 and 230 V is about 200,000 switching cycles, indicating long-term reliability. The 3RH1911-1FA22 operates within an ambient temperature range of -25°C to +60°C during operation, accommodating various industrial environments. This auxiliary switch block is suitable for applications requiring reliable switching and signaling, such as motor control centers, conveyor systems, and other machinery where precise control and monitoring are essential.

Specifications

Weight	0.05 kgs
Manufacturer	Siemens
I/O Configuration	4
I/O Channels	4 channels
Part Number	3RH1911-1FA22
Product Type	Auxiliary Switch Block
Contact Configuration	2 NO + 2 NC
Mounting Type	Snap-On Front Mount
Ambient Temperature Range	-25°C to +60°C
Mechanical Life	10,000,000 cycles
Electrical Endurance	200,000 cycles at AC-15, 230 V
Insulation Voltage	690 V
Surge Voltage Resistance	6 kV