3RH2911-2NF02
SOLID-STATE COMP. AUX. SW.BL.,2NC

From SIEMENS

Electron. contr. auxiliary switch on the front, 2 NC Current path 1 NC, 1 NC for 3RH and 3RT spring-type terminal .1/.2, --/--, --/--, .1/.2
General technical data
Product brand nameSIRIUS
Suitability for useContactor relay and power contactor
Protection class IP on the frontIP20
Ambient temperature
during storage-55 ... +80 °C
during operation-25 ... +60 °C
Mechanical service life (switching cycles) typical5 000 000
Contact reliabilityone incorrect switching operation of 100 million switching operations (5 V, 1 mA)
Contact reliability of auxiliary contactsone incorrect switching operation of 100 million switching operations (5 V, 1 mA)
Insulation voltage with degree of pollution 3 rated value690 V
Surge voltage resistance rated value6 kV
Auxiliary circuit
Number of NC contacts for auxiliary contacts
instantaneous contact2
lagging switching0
Number of NO contacts for auxiliary contacts
instantaneous contact0
leading contact0
Operating current
of auxiliary contacts at DC-13
— at 24 V0.3 A
— at 60 V0.3 A
Installation/ mounting/ dimensions
Mounting typesnap-on mounting
Width36 mm
Height41.5 mm
Depth47.7 mm
Connections/Terminals
Type of electrical connection for auxiliary and control current circuitspring-loaded terminals
Type of connectable conductor cross-sections
for auxiliary contacts
— finely stranded
— with core end processing2x (0.5 ... 1.5 mm²)
— without core end processing2x (0.5 ... 2.5 mm²)
at AWG conductors for auxiliary contacts2x (20 ... 14)
Safety related data
Product function Mirror contact acc. to IEC 60947-4-1Yes
Notewith 3RT2.2
Product function positively driven operation acc. to IEC 60947-5-1No

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