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Siemens 3RH1921-1XA22-0MA0

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Siemens 3RH1921-1XA22-0MA0

front-side auxiliary switch, 2 NO contacts, 2 NC contacts, screw terminal, for contactors 3RT1, sequence numbers 5…8

SiemensMFR # 3RH1921-1XA22-0MA0SKU # CEY-8EF3B03088AE
product brand nameSIRIUS
product categoryAuxiliary switch
product designationauxiliary switch
design of the productfor snapping onto the front
product type designation3RH19
suitability for usefor 3RT10, 3RT12, 3RT145, 3RT146, 3RT147
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About This Product

front-side auxiliary switch, 2 NO contacts, 2 NC contacts, screw terminal, for contactors 3RT1, sequence numbers 5…8

Siemens 3RH1921-1XA22-0MA0

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Specifications

product brand nameSIRIUS
product categoryAuxiliary switch
product designationauxiliary switch
design of the productfor snapping onto the front
product type designation3RH19
suitability for usefor 3RT10, 3RT12, 3RT145, 3RT146, 3RT147
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) typical10 000 000
electrical endurance (operating cycles) at AC-15 at 230 V typical200 000
Substance Prohibitance (day/month/year)07/01/2006
Net Weight70.69 g
instantaneous contact2
instantaneous contact2
number of CO contacts of auxiliary contacts instantaneous contact0
operational current at AC-15 at 690 V rated value1 A
at 24 V10 A
at 230 V10 A
at 125 V6 A
at 250 V6 A
operational current of auxiliary contacts at AC-12 maximum10 A
at 24 V6 A
at 230 V6 A
at 400 V3 A
at 24 V10 A
at 110 V3 A
at 220 V1 A
at 24 V rated value10 A
at 60 V rated value10 A
at 110 V rated value4 A
at 220 V rated value2 A
at 440 V rated value1.3 A
at 600 V rated value0.65 A
at 24 V rated value10 A
at 60 V rated value10 A
at 110 V rated value10 A
at 220 V rated value3.6 A
at 440 V rated value2.5 A
at 600 V rated value1.8 A
at 24 V rated value10 A
at 60 V rated value3.5 A
at 110 V rated value1.3 A
at 220 V rated value0.9 A
at 440 V rated value0.2 A
at 600 V rated value0.1 A
at 24 V rated value10 A
at 60 V rated value4.7 A
at 110 V rated value3 A
at 220 V rated value1.2 A
at 440 V rated value0.5 A
at 600 V rated value0.26 A
at 24 V6 A
at 48 V2 A
at 60 V2 A
at 110 V1 A
at 125 V0.9 A
at 220 V0.3 A
at 250 V0.3 A
design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 VC characteristic: 10 A; 0.4 kA
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 miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 VC characteristic: 10 A; 0.4 kA
design of the fuse link for short-circuit protection of the auxiliary switch requiredgG: 10 A (500 V, 1 kA)
Installation/ mounting/ dimensions
fastening methodsnap-on mounting
height38 mm
width44 mm
depth51 mm
Connections/ Terminals
type of electrical connection for auxiliary and control circuitscrew-type terminals
solid or stranded0.5 ... 2.5 mm²
finely stranded with core end processing0.5 ... 2.5 mm²
— solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
— finely stranded with core end processing2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
for AWG cables for auxiliary contacts2x (20 ... 16), 2x (18 ... 14)
AWG number as coded connectable conductor cross section for auxiliary contacts20 ... 14

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