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Siemens SIRIUS 3RH1911-1FA11

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3RH1911-1FA11

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The Siemens 3RH1911-1FA11 is an auxiliary contact block engineered for specific configurations. This component consists of one normally open (N.O.) and one normally closed (N.C.) contact, arranged in two poles, to facilitate versatile operational uses.

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Technical specifications for 3RH1911-1FA11

ManufacturerSiemens
Product TypeAuxiliary contact block
Product LineSIRIUS
Part Number3RH1911-1FA11
N.O. and N.C. Contacts1 N.O. and 1 N.C. Contact
Number of Poles2 Poles
Contact Current Rating6 A
Max. AC Contact Voltage600 V
Max. DC Contact Voltage600 V
IP RatingIP20
Operating Temperature60 degrees Celsius max.
Terminal TypeScrew
Mounting TypeFront/snap-on mount
Compatible Frame SizeS00 to S3 frames (for 3RT and 3RH contactors and contactor relays)
Conductor Size20-16 AWG/18-14 AWG
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The Siemens 3RH1911-1FA11, part of the SIRIUS series, serves as an auxiliary contact block suitable for various electrical configurations. This unit integrates one normally open and one normally closed contact across two poles. It efficiently manages a contact current rating of 6 A and works well under voltage conditions of up to 600 V for both AC and DC applications.

With its IP20 rating, the 3RH1911-1FA11 is designed for use in environments that do not require extensive moisture or dust protection, making it ideal for indoor installations. The block operates effectively up to a maximum ambient temperature of 60 degrees Celsius. For installation, this auxiliary contact block employs a screw terminal type, allowing for neat conductor connections ranging from 20-16 AWG or 18-14 AWG. The block mounts easily using a front or snap-on method, ensuring compatibility with S00 to S3 frame sizes used in 3RT and 3RH contactors and contactor relays.