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The Siemens 3RH1921-1HA22 is a four-pole auxiliary contact block used in various control system applications. It operates at a voltage rating of 690 V AC, supporting a current of up to 6 A.
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| Manufacturer | Siemens |
|---|---|
| Product Type | Auxiliary Contact Block |
| Product Line | SIRIUS |
| Part Number | 3RH1921-1HA22 |
| UPC | 754554482682 |
| Weight | 0.19 lbs (0.09 kg) |
| Current Rating | 6A |
| Number of Poles | 4 Poles |
| Voltage Rating | 690 VAC |
| Terminal Type | Screw-type Terminal |
| Contact Configuration | 2 NO (Normally Open), 2 NC (Normally Closed) |
| Operating Temperature Range | -55°C to +80°C |
| Protection Class | IP20 |
| Contact Material | Silver Contacts |
The Siemens part number 3RH1921-1HA22 is an auxiliary contact block belonging to the SIRIUS series. This unit is designed for applications requiring reliable control and monitoring of electrical circuits. With its four-pole configuration, it effectively manages electrical connections while operating safely at 690 V AC and supporting a current rating of 6 A. This product features two normally open (NO) contacts and two normally closed (NC) contacts, enabling diverse operational strategies in various control circuits.
Constructed with screw-type terminals, the 3RH1921-1HA22 contact block ensures secure wiring for straightforward installation. The robust design enables it to operate within a wide temperature range, from -55°C to +80°C, making it suitable for both harsh and standard environments. Moreover, this device is rated IP20, offering protection against solid objects, albeit not against water.
Weighing just 0.07 kg, this lightweight contact block module retains its durable nature, primarily built with silver contacts, which enhance electrical conductivity and reliability.