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Siemens SIRIUS 3RH2911-1HA22

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3RH2911-1HA22

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The Siemens 3RH2911-1HA22 is an auxiliary switch block featuring 2 normally open (N.O.) and 2 normally closed (N.C.) contacts. It supports operational currents of 6.0 A at 230V AC and 3.0 A at 400V AC, providing significant versatility in various applications.

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Technical specifications for 3RH2911-1HA22

ManufacturerSiemens
Product TypeAuxiliary Switch Block
Product LineSIRIUS
Part Number3RH2911-1HA22
Number of N.O. Contacts2 N.O. Contacts
Number of N.C. Contacts2 N.C. Contacts
Connection TypeScrew-type terminals
Surge Voltage Resistance6 kV
IP RatingIP20
Operational Current (AC-15, 230V)6.0 A
Operational Current (AC-15, 400V)3.0 A
Minimum Operating Temperature-25 °C
Maximum Operating Temperature60 °C
Minimum Storage Temperature-55 °C
Maximum Storage Temperature80 °C
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Designed as part of the Siemens SIRIUS series, the 3RH2911-1HA22 auxiliary switch block offers extensive functionality in control circuits. This unit consists of two normally open contacts and two normally closed contacts, facilitating a wide range of applications in automation processes. It accommodates screw-type terminal connections, ensuring reliable wiring and straightforward installation.

The switch block is rated for operational currents of 6.0 A at 230V AC and 3.0 A at 400V AC, making it suitable for various electrical setups. Surge voltage performance is robust, with a resistance level of 6 kV, protecting against voltage spikes in dynamic environments.

This device is rated at IP20, meaning it provides a moderate level of protection against dust ingress. Its design enables operation within a temperature range of -25 °C to 60 °C, while its storage capabilities extend from -55 °C to 80 °C, offering flexibility in diverse operating conditions. Overall, the 3RH2911-1HA22 is an integral component for achieving reliable control and monitoring in various electrical configurations.