Siemens 3RH1 921-2FA31 Auxiliary Switch Block

The Siemens 3RH1 921-2FA31 Auxiliary Switch Block from the SIRIUS range is designed for reliable switching and signaling in industrial control systems. Built with robust performance, it provides flexibility for use with both contactor relays and power contactors, ensuring dependable operation in demanding applications.

Manufacturer: Siemens
Type: Auxiliary Switch Block
MNR.: 3RH1 921-2FA31
Series: SIRIUS
EAN No.: 4011209281547
Order No.: 3ZX1012-0RT02-1AA1

Technical Information

• Suitability for use: Contactor relay and power contactor
• Contacts: 3 Normally Open (3NO) + 1 Normally Closed (1NC)
• Frequency: 50 Hz
• Utilization Categories:
  – DC-13: 10 A / 24 V, 0.3 A / 220/230 V
  – AC-15: 6 A / 220/230 V, 6 A / 24 V
• Rated Insulation Voltage (Ui): 690 V
• Rated Impulse Withstand Voltage (Uimp): 6 kV
• Auxiliary Contacts: A600 / Q600
• General use: 10A / 240V
• Current Rating Ie AC-12: 10 A
• Standard Compliance: IEC/EN 60947-5-1
• Protection class (front): IP20
• Ambient temperature during operation: -25 to +60 °C
• Dimensions: 44 x 38 x 51 mm