Siemens 3RH1921-2FA22

Siemens 3RH1921-2FA22 3rh1921-2fa22 product image 1
SKU3RH1921-2FA22
ManufacturerSiemens
CategoryIndustrial automation components
6-month warranty
Available (1-2 days): 1 units
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Quantity
1
Net price (1 pc.):
22,43PLN
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Description

The Siemens 3RH1921-2FA22 is an auxiliary switch block designed for use with contactor relays and motor contactors. This component features a 4-pole configuration with 2 normally open (NO) and 2 normally closed (NC) contacts, facilitating versatile control and monitoring in industrial automation systems. It is compatible with Siemens SIRIUS series contactors ranging from size S0 to S12, ensuring seamless integration and reliable performance. The device is engineered for front mounting and utilizes cage clamp terminals, simplifying installation and maintenance processes. Constructed to meet DIN EN 50005 standards, the 3RH1921-2FA22 offers robust protection with an IP20 front-rated enclosure, safeguarding internal components from dust and contact. Designed to operate efficiently within a temperature range of -25°C to +60°C, it ensures consistent performance across various industrial environments. The auxiliary switch block boasts a mechanical service life of approximately 10 million switching cycles and an electrical endurance of about 200,000 cycles at AC-15 with 230 V, underscoring its durability and reliability. Please note that the 3RH1921-2FA22 has been phased out and succeeded by the SIRIUS 3RH2 series, which offers enhanced features and improved performance.

Specifications

Weight
0.06 kgs
Product Type
Auxiliary Switch Block
Contact Configuration
4-pole, 2 NO + 2 NC
Compatible Contactors
Siemens SIRIUS series sizes S0 to S12
Mounting Type
Front Mounting
Terminal Type
Cage Clamp
Protection Class (Front)
IP20
Ambient Temperature Range
-25°C to +60°C
Mechanical Service Life
10 million switching cycles
Electrical Endurance
200,000 cycles at AC-15 with 230 V

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