
Siemens 3RK1901-2NR21
AS-Interface M12 branch U_ASI and Uaux, 1 m cable with M12 cable socket angled IP67/68/69K, max. 4 A
- MPN
- 3RK1901-2NR21
- Category
- Miscellaneous accessories
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What is the Siemens 3RK1901-2NR21?
AS-Interface M12 branch U_ASI and Uaux, 1 m cable with M12 cable socket angled IP67/68/69K, max. 4 A
Specifications
General
| product category | AS-Interface accessories |
| product designation | AS-i flat cable transition to M12 |
| suitability for use | AS-i flat cable (yellow) and AUX flat cable (black) connections |
General technical data
| operating voltage according to AS-Interface specification | 26.5 ... 31.6 V |
| operational current rated value | 3 A |
| number of poles | 4 |
| contact rating maximum | 4 A |
| protection class IP | IP67, IP68, IP69K |
| Substance Prohibitance (day/month/year) | 07/01/2006 |
| Net Weight | 0.077 kg |
Installation/ mounting/ dimensions
| mounting type | screw mounting on the lower part of enclosure |
| tightening torque of fixing screw minimum | 1.65 N·m |
| tightening torque of fixing screw maximum | 1.65 N·m |
| height | 22 mm |
| width | 27.7 mm |
| length | 40.5 mm |
Ambient conditions
| ambient temperature — during operation | -25 ... +75 °C |
| ambient temperature — during storage | -25 ... +85 °C |
Connections/ Terminals
| type of electrical connection | insulation piercing method for AS-Interface flat cable |
| feeder type | round cable with M12 socket, A-coding |
| mounting type of the flat cable | hinged cover with stainless steel bolt |
| installation or assembly note | flat cable end not permitted in the branch |
| contact assignment of the M12 connection — at pin 1 | ASI+ |
| contact assignment of the M12 connection — at pin 2 | not connected |
| contact assignment of the M12 connection — at pin 3 | ASI- |
| contact assignment of the M12 connection — at pin 4 | AUX+ |
| contact assignment of the M12 connection — at pin 5 | not connected |
| length of the round cable | 1 m |
| connectable conductor cross-section of the round cable | 0.34 mm² |
Downloads & documentation
Official documents from Siemens, downloaded directly from the manufacturer.
Data sheets & manuals
3RK1901-2NR21: frequently asked questions
When can 3RK1901-2NR21 be shipped?
3RK1901-2NR21 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up 3RK1901-2NR21 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for 3RK1901-2NR21 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 3RK1901-2NR21, subject to availability and destination.
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