Article number 3RH2911-4NF11 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), ring cable lug connection, for contactors 3RT2 and contactor relays 3RH2 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
product brand name SIRIUS
product category Auxiliary switch
product designation auxiliary switch
design of the product for snapping onto the front
product type designation 3RH29
suitability for use for 3RT2.1, 3RT2.2, 3RT2.3, 3RT2.4, 3RH2
General technical data
insulation voltage with degree of pollution 3 at AC rated value 690 V
surge voltage resistance rated value 6 kV
protection class IP on the front IP00 IP20
mechanical service life (operating cycles) typical 5 000 000
Substance Prohibitance (Date) 10/01/2009
Weight 0.042 kg 0.047 kg
number of NC contacts for auxiliary contacts
● instantaneous contact 1
● lagging switching 0
number of NO contacts for auxiliary contacts
● instantaneous contact 1
● leading contact 0
number of CO contacts of auxiliary contacts instantaneous contact 0
operational current of auxiliary contacts at DC-13
● at 24 V 0.3 A
● at 48 V 0.3 A
● at 60 V 0.3 A
contact reliability of auxiliary contacts one incorrect switching operation of 100 million switching operations (5 V, 1 mA)
Ambient conditions
ambient temperature
● during operation -25 ... +60 °C
● during storage -55 ... +80 °C
Environmental footprint
Environmental Product Declaration(EPD) Yes
Global Warming Potential [CO2 eq] total 0.397 kg
Global Warming Potential [CO2 eq] during manufacturing 0.375 kg
Global Warming Potential [CO2 eq] during operation 0.0014 kg
Global Warming Potential [CO2 eq] after end of life 0.02 kg
Safety related data
product function
● mirror contact according to IEC 60947-4-1 Yes; with 3RT2.2/3/4
● positively driven operation according to IEC 60947-5-1 No
Installation/ mounting/ dimensions
fastening method snap-on mounting
height 37.5 mm
width 36 mm
depth 43.7 mm
Connections/ Terminals
type of electrical connection for auxiliary and control circuit ring terminal lug connection screw-type terminals
connectable conductor cross-section for auxiliary contacts
● solid or stranded 0.5 ... 2.5 mm²
● finely stranded with core end processing 0.5 ... 2.5 mm²
type of connectable conductor cross-sections
● for auxiliary contacts
— solid or stranded 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
— finely stranded with core end processing 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
● for AWG cables for auxiliary contacts 2x (20 ... 16), 2x (18 ... 14)
AWG number as coded connectable conductor cross section for auxiliary contacts 20 ... 14
Approvals Certificates
General Product Approval
EU declaration of conformity EU declaration of conformity Yes Yes
UK Declaration of Conformity UK Declaration of Conformity
Yes Yes
CCC CCC
Yes Yes
Confirmation Yes Yes
UL UL
Yes Yes
EAC EAC
Yes Yes
EMV
RCM RCM
Yes Yes
Functional Saftey
Type Examination Certificate Yes Yes
Test Certificates
Special Test Certificate Yes Yes
Type Test Certificates/Test Report Yes Yes
Marine / Shipping
ABS (American Bureau of Shipping) ABS (American Bureau of Shipping)
Yes Yes
BV (Bureau Veritas) BV (Bureau Veritas) Yes Yes
DNV (Det Norske Veritas) DNV (Det Norske Veritas) Yes Yes
LR (Lloyds Register) LR (Lloyds Register) 
Yes Yes
PRS (Polski Register of Shipping) PRS (Polski Register of Shipping) Yes Yes
RINA (Registro Italiano Navale) RINA (Registro Italiano Navale) Yes Yes
RMRS (Russian Maritime Register) RMRS (Russian Maritime Register) Yes Yes
other
Miscellaneous Yes Yes
Confirmation Yes Yes
Miscellaneous Miscellaneous
Yes Yes
Railway
Special Test Certificate Yes Yes
Type Test Certificates/Test Report Yes Yes
Environment
EPD Typ II/III (with life cylce assessment) EPD Typ II/III (with life cylce assessment) Yes Yes
Environmental Confirmations Yes Yes
Further information
Information on the packaging
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3RH2911-4NF11 3RH2911-1NF11
3RH2911-4NF11 3RH2911-1NF11
3RH2911-4NF11 3RH2911-1NF11
last modified: 1/23/2024
Date
11/10/2024
Subject to change without notice
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