3RH2921-1DA11 Siemens Auxiliary switch Block
Description
Siemens Auxiliary switch Block 3RH2921-1DA11
auxiliary switch, lateral, 1 NO + 1 NC, on the left: 51/52, 63/64, on the right: 31/32, 43/44, current path: 1 NC, 1 NO, screw terminal, for contactors 3RT2 and contactor relays 3RH2
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Specification
| product brand name | SIRIUS |
| product category | Auxiliary switch |
| product designation | auxiliary switch |
| design of the product | first laterally mountable |
| product type designation | 3RH29 |
| suitability for use | for 3RT2.2, 3RT2.3, 3RT2.4, 3RH2 |
| General technical data | |
| insulation voltage with degree of pollution 3 at AC rated value | 690 V |
| surge voltage resistance rated value | 6 kV |
| protection class IP on the front | IP20 |
| mechanical service life (operating cycles) typical | 10 000 000 |
| electrical endurance (operating cycles) at AC-15 at 230 V typical | 200 000 |
| Substance Prohibitance (Date) | 10/01/2009 |
| Weight | 37 g |
| number of NC contacts for auxiliary contacts | |
| ● instantaneous contact | 1 |
| ● lagging switching | 0 |
| number of NO contacts for auxiliary contacts | |
| ● instantaneous contact | 1 |
| ● leading contact | 0 |
| number of CO contacts of auxiliary contacts instantaneous contact | 0 |
| operational current at AC-15 at 690 V rated value | 1 A |
| operational current of auxiliary contacts at AC-12 | |
| ● at 24 V | 10 A |
| ● at 230 V | 10 A |
| operational current of auxiliary contacts at AC-14 | |
| ● at 125 V | 6 A |
| ● at 250 V | 6 A |
| operational current of auxiliary contacts at AC-12 maximum | 10 A |
| operational current of auxiliary contacts at AC-15 | |
| ● at 24 V | 6 A |
| ● at 230 V | 6 A |
| ● at 400 V | 3 A |
| operational current of auxiliary contacts at DC-12 | |
| ● at 24 V | 10 A |
| ● at 110 V | 3 A |
| ● at 220 V | 1 A |
| operational current with 2 current paths in series at DC-12 | |
| ● at 24 V rated value | 10 A |
| ● at 60 V rated value | 10 A |
| ● at 110 V rated value | 4 A |
| ● at 220 V rated value | 2 A |
| ● at 440 V rated value | 1.3 A |
| ● at 600 V rated value | 0.65 A |
| operational current with 3 current paths in series at DC-12 | |
| ● at 24 V rated value | 10 A |
| ● at 60 V rated value | 10 A |
| ● at 110 V rated value | 10 A |
| ● at 220 V rated value | 3.6 A |
| ● at 440 V rated value | 2.5 A |
| ● at 600 V rated value | 1.8 A |
| operational current with 2 current paths in series at DC-13 | |
| ● at 24 V rated value | 10 A |
| ● at 60 V rated value | 3.5 A |
| ● at 110 V rated value | 1.3 A |
| ● at 220 V rated value | 0.9 A |
| ● at 440 V rated value | 0.2 A |
| ● at 600 V rated value | 0.1 A |
| operational current with 3 current paths in series at DC-13 | |
| ● at 24 V rated value | 10 A |
| ● at 60 V rated value | 4.7 A |
| ● at 110 V rated value | 3 A |
| ● at 220 V rated value | 1.2 A |
| ● at 440 V rated value | 0.5 A |
| ● at 600 V rated value | 0.26 A |
Ssaoco Jeddah
Anwar Center - Baladiya Street Near Nahdi Pharmacy, , Jeddah, Saudi Arabia
- Started from: Jul 10, 2025
Welcome to SSAOCO – Sameer Sharaf Al-Otaibi Trading Company, a leading supplier of automation and instrumentation devices across the Middle East. Based in Jeddah, Saudi Arabia, we specialize in industrial machine parts, hydraulic and pneumatic machinery, with strong global logistics. Founded in 2008, SSAOCO employs 50+ experts.
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