Article number | 3RH2911-4NF20 | 3RH2911-1NF20 | |
auxiliary switch, solid-state compatible, on the front, 2 NO, .3/.4, --/--, --/--, .3/.4, current path: 1 NO (solid-state compatible), --, --, 1 NO (solid-state compatible), ring cable lug connection, for contactors 3RT2 and contactor relays 3RH2 | auxiliary switch, solid-state compatible, on the front, 2 NO, .3/.4, --/--, --/--, .3/.4, current path: 1 NO (solid-state compatible), --, --, 1 NO (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 | 0.041 kg | ||
number of NC contacts for auxiliary contacts | |||
● instantaneous contact | 0 | ||
● lagging switching | 0 | ||
number of NO contacts for auxiliary contacts | |||
● instantaneous contact | 2 | ||
● 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 | Yes | Yes | |
UK Declaration of Conformity | Yes | Yes | |
Confirmation | Yes | Yes | |
CCC | Yes | Yes | |
UL | Yes | Yes | |
EAC | Yes | Yes | |
EMV | |||
RCM | Yes | Yes | |
Functional Saftey | |||
Type Examination Certificate | Yes | Yes | |
Test Certificates | |||
Type Test Certificates/Test Report | Yes | Yes | |
Special Test Certificate | Yes | Yes | |
Marine / Shipping | |||
ABS (American Bureau of Shipping) | Yes | Yes | |
BV (Bureau Veritas) | Yes | Yes | |
DNV (Det Norske Veritas) | Yes | Yes | |
LR (Lloyds Register) | Yes | Yes | |
PRS (Polski Register of Shipping) | Yes | Yes | |
RINA (Registro Italiano Navale) | Yes | Yes | |
RMRS (Russian Maritime Register) | Yes | Yes | |
other | |||
Miscellaneous | Yes | Yes | |
Confirmation | Yes | Yes | |
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) | Yes | Yes | |
Environmental Confirmations | Yes | Yes | |
Further information | |||
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last modified: | 1/23/2024 | ||
Date 11/9/2024 |
Subject to change without notice © Copyright Siemens 2024 |