Siemens 3RH2911-1NF11

Auxiliary switch, solid-state compatible, on the front, 1 NO + 1 NC, .3/.4, --/--, --/--, .1/.2

MPN
3RH2911-1NF11
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What is the Siemens 3RH2911-1NF11?

auxiliary switch, solid-state compatible, on the front, 1 NO + 1 NC, .3/.4, --/--, --/--, .1/.2, current path: 1 NO (solid-state compatible), --, --, 1 NC (solid-state compatible), screw terminal, for contactors 3RT2 and contactor relays 3RH2

Specifications

General

product brand nameSIRIUS
product categoryAuxiliary switch
product designationauxiliary switch
design of the productfor snapping onto the front
product type designation3RH29
suitability for usefor 3RT2.1, 3RT2.2, 3RT2.3, 3RT2.4, 3RH2

General technical data

insulation voltage with degree of pollution 3 at AC rated value690 V
surge voltage resistance rated value6 kV
protection class IP on the frontIP20
mechanical service life (operating cycles) typical5 000 000
Substance Prohibitance (day/month/year)10/01/2009
Net Weight0.047 g
number of NC contacts for auxiliary contacts — instantaneous contact1
number of NC contacts for auxiliary contacts — lagging switching0
number of NO contacts for auxiliary contacts — instantaneous contact1
number of NO contacts for auxiliary contacts — leading contact0
number of CO contacts of auxiliary contacts instantaneous contact0
operational current of auxiliary contacts at DC-13 — at 24 V0.3 A
operational current of auxiliary contacts at DC-13 — at 48 V0.3 A
operational current of auxiliary contacts at DC-13 — at 60 V0.3 A
contact reliability of auxiliary contactsone incorrect switching operation of 100 million switching operations (5 V, 1 mA)

Ambient conditions

ambient temperature — during operation-25 ... +60 °C
ambient temperature — during storage-55 ... +80 °C

Safety related data

product function — mirror contact according to IEC 60947-4-1Yes; with 3RT2.2/3/4
product function — positively driven operation according to IEC 60947-5-1No

Short-circuit protection

design of the fuse link for short-circuit protection of the auxiliary switch requiredFF microfuse 2 A (250 V, 1 kA)

Installation/ mounting/ dimensions

fastening methodsnap-on mounting
height37.5 mm
width36 mm
depth43.7 mm

Connections/ Terminals

type of electrical connection for auxiliary and control circuitscrew-type terminals
connectable conductor cross-section for auxiliary contacts — solid or stranded0.5 ... 2.5 mm²
connectable conductor cross-section for auxiliary contacts — finely stranded with core end processing0.5 ... 2.5 mm²
type of connectable conductor cross-sections — for auxiliary contacts — solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
type of connectable conductor cross-sections — for auxiliary contacts — finely stranded with core end processing2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
type of connectable conductor cross-sections — for AWG cables for auxiliary contacts2x (20 ... 16), 2x (18 ... 14)
AWG number as coded connectable conductor cross section for auxiliary contacts20 ... 14

Approvals Certificates

global warming potential [CO2 eq] / during manufacturing0.375 kg
global warming potential [CO2 eq] / during operation0.0014 kg
global warming potential [CO2 eq] / after end of life0.0202 kg
global warming potential [CO2 eq] / total0.397 kg

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

3RH2911-1NF11: frequently asked questions

When can 3RH2911-1NF11 be shipped?

3RH2911-1NF11 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 3RH2911-1NF11 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 3RH2911-1NF11 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 3RH2911-1NF11, subject to availability and destination.

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Siemens 3RH2911-1NF11Price and lead time confirmed within 1 business day
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