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
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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 categoryAS-Interface accessories
product designationAS-i flat cable transition to M12
suitability for useAS-i flat cable (yellow) and AUX flat cable (black) connections

General technical data

operating voltage according to AS-Interface specification26.5 ... 31.6 V
operational current rated value3 A
number of poles4
contact rating maximum4 A
protection class IPIP67, IP68, IP69K
Substance Prohibitance (day/month/year)07/01/2006
Net Weight0.077 kg

Installation/ mounting/ dimensions

mounting typescrew mounting on the lower part of enclosure
tightening torque of fixing screw minimum1.65 N·m
tightening torque of fixing screw maximum1.65 N·m
height22 mm
width27.7 mm
length40.5 mm

Ambient conditions

ambient temperature — during operation-25 ... +75 °C
ambient temperature — during storage-25 ... +85 °C

Connections/ Terminals

type of electrical connectioninsulation piercing method for AS-Interface flat cable
feeder typeround cable with M12 socket, A-coding
mounting type of the flat cablehinged cover with stainless steel bolt
installation or assembly noteflat cable end not permitted in the branch
contact assignment of the M12 connection — at pin 1ASI+
contact assignment of the M12 connection — at pin 2not connected
contact assignment of the M12 connection — at pin 3ASI-
contact assignment of the M12 connection — at pin 4AUX+
contact assignment of the M12 connection — at pin 5not connected
length of the round cable1 m
connectable conductor cross-section of the round cable0.34 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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Siemens 3RK1901-2NR21Price and lead time confirmed within 1 business day
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