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3RH1921-1FE22
Siemens' 3RH1921-1FE22 is an auxiliary switch designed for enhancing motor contactor functionality. This device is rated for a voltage of 690 VAC and is compatible with solid-state applications.
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Technical specifications for 3RH1921-1FE22
| Manufacturer | Siemens |
|---|---|
| Product Type | Auxiliary Switch |
| Product Line | SIRIUS |
| Part Number | 3RH1921-1FE22 |
| UPC | 754554510996 |
| Weight | 0.19 lbs (0.09 kg) |
| Switch Type | Solid State Compatible |
| Rated Voltage | 690 VAC |
| Contacts Configuration | 1 NO + 1 NC Encapsulated |
| Current Rating | 6A |
| Additional Contact Configuration | 1 NO + 1 NC Not Encapsulated |
| Application | For use with Motor Contactors |
| Mounting Type | Panel or Contactors Mount |
| Protection Class | IP20 |
| Tolerance | N |
The 3RH1921-1FE22 from the Siemens SIRIUS series serves as an auxiliary switch, enhancing circuit control. Rated to handle voltages up to 690 VAC, this switch is suitable for solid-state applications.
It incorporates a contact configuration comprising one normally open (NO) and one normally closed (NC) encapsulated contact, alongside an additional pair of one NO and one NC contact that are not encapsulated. The 3RH1921-1FE22 switch supports current ratings of up to 6 A, making it versatile for various applications. Primarily, it finds its application in conjunction with motor contactors, facilitating efficient switching operations.
For installation, the device can be mounted on panels or directly onto contactors. Complying with an IP20 protection class designation, it safeguards against solid objects larger than 12 mm. The weight of the switch is approximately 0.08 kg, and it has a tolerance specification of N, indicating standard tolerance levels suitable for many industrial environments.
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