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Siemens 3RH1921-2DE11

first lateral auxiliary switch 1 NO, 1 NC, encapsulated (solid-state compatible), spring-type terminal, for contactors 3RT1

SiemensMFR # 3RH1921-2DE11SKU # CEY-8EF3B03088AD

product brand nameSIRIUS

product categoryAuxiliary switch

product designationauxiliary switch

design of the productfirst laterally mountable

product type designation3RH19

suitability for usefor 3RT10, 3RT12, 3RT145, 3RT146, 3RT147

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About This Product

first lateral auxiliary switch 1 NO, 1 NC, encapsulated (solid-state compatible), spring-type terminal, for contactors 3RT1

Siemens 3RH1921-2DE11

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
Quotation and lead time tailored to your request

Specifications

product brand nameSIRIUS

product categoryAuxiliary switch

product designationauxiliary switch

design of the productfirst laterally mountable

product type designation3RH19

suitability for usefor 3RT10, 3RT12, 3RT145, 3RT146, 3RT147

General technical data

insulation voltage with degree of pollution 3 at AC rated value500 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)03/01/2017

Net Weight49.58 g

instantaneous contact1

number of CO contacts of auxiliary contacts instantaneous contact0

at 24 V10 A

at 110 V3 A

at 220 V1 A

at 24 V0.3 A

at 48 V0.3 A

at 60 V0.3 A

contact reliability of auxiliary contacts1 faulty switching per 100 million (17 V, 1 mA)

Ambient conditions

during operation-25 ... +60 °C

during storage-55 ... +80 °C

Safety related data

mirror contact according to IEC 60947-4-1Yes; with 3RT1

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

height72.5 mm

width10 mm

depth71 mm

Connections/ Terminals

type of electrical connection for auxiliary and control circuitspring-loaded terminals

solid or stranded0.5 ... 2.5 mm²

finely stranded with core end processing0.5 ... 2.5 mm²

finely stranded without core end processing0.5 ... 2.5 mm²

— solid or stranded2x (0.5 ... 2.5 mm²)

— finely stranded with core end processing2x (0.5 ... 1.5 mm²)

— finely stranded without core end processing2x (0.5 ... 2.5 mm²)

for AWG cables for auxiliary contacts2x (20 ... 14)

AWG number as coded connectable conductor cross section for auxiliary contacts20 ... 14

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Siemens 3RH1921-2DE11

About This Product

Siemens 3RH1921-2DE11

Specifications

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