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Siemens SIRIUS 3RH1921-1HA22-3AA1

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3RH1921-1HA22-3AA1

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The Siemens 3RH1921-1HA22-3AA1 contact block is designed for reliable electrical connections. This component features a current rating of 10A and is rated for a voltage of 240V. It includes two normally open (NO) contacts and two normally closed (NC) contacts.

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Technical specifications for 3RH1921-1HA22-3AA1

ManufacturerSiemens
Product LineSIRIUS
Part Number3RH1921-1HA22-3AA1
Weight0.19 lbs (0.09 kg)
ProductContact Block
Current Rating10A
Voltage Rating240 V
Number of Normally Open (NO) Contacts2
Number of Normally Closed (NC) Contacts2
Power Rating3 kW
Number of Phases3
Operating Frequency50 Hz
CertificationsCE
Operating HumidityUp to 80% (non-condensing)
Storage HumidityUp to 80% (non-condensing)
Maximum Operating Altitude1000m above sea level without derating
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The 3RH1921-1HA22-3AA1 contact block from Siemens is an essential component in electrical control and automation systems. Designed to function effectively under a current rating of 10A, it operates at a voltage of 240V, catering to various industrial applications. This contact block incorporates two normally open (NO) contacts and two normally closed (NC) contacts, providing flexibility in circuit design and control.

With a power rating of 3 kW, it is suited for three-phase systems. The operating frequency is maintained at 50 Hz, which aligns with most industrial specifications. The contact block is lightweight, at just 0.15 lbs, making it easy to handle and install in a variety of environments. It carries CE certification, ensuring that it meets rigorous safety and quality standards.

The 3RH1921-1HA22-3AA1 contact block can function effectively in humid environments, with an operating humidity tolerance of up to 80% (non-condensing). Furthermore, its storage humidity specification remains the same, ensuring that it retains its operability when stored under similar conditions. This component is also rated for use at altitudes up to 1000 meters above sea level without derating, which expands its usability in various geographic locations.