Article number		3RH2911-4HA02	3RH2911-1HA02

		auxiliary switch, on the front, 2 NC, .1/.2, .1/.2, --/--, --/--, current path: 1 NC, 1 NC, --, --, ring cable lug connection, for contactors 3RT2 and contactor relays 3RH2	auxiliary switch, on the front, 2 NC, .1/.2, .1/.2, --/--, --/--, current path: 1 NC, 1 NC, --, --, 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		10 000 000
electrical endurance (operating cycles) at AC-15 at 230 V typical		200 000
Substance Prohibitance (Date)		10/01/2009
Weight		0.052 kg
number of NC contacts for auxiliary contacts
● instantaneous contact		2
● lagging switching		0
number of NO contacts for auxiliary contacts
● instantaneous contact		0
● leading contact		0
number of CO contacts of auxiliary contacts instantaneous contact		0
operational current at AC-15 at 690 V rated value		1 A
operational current of auxiliary contacts at AC-12
● at 24 V		10 A
● at 230 V		10 A
operational current of auxiliary contacts at AC-14
● at 125 V		6 A
● at 250 V		6 A
operational current of auxiliary contacts at AC-12 maximum		10 A
operational current of auxiliary contacts at AC-15
● at 24 V		6 A
● at 230 V		6 A
● at 400 V		3 A
operational current of auxiliary contacts at DC-12
● at 24 V		10 A
● at 110 V		3 A
● at 220 V		1 A
operational current with 2 current paths in series at DC-12
● at 24 V rated value		10 A
● at 60 V rated value		10 A
● at 110 V rated value		4 A
● at 220 V rated value		2 A
● at 440 V rated value		1.3 A
● at 600 V rated value		0.65 A
operational current with 3 current paths in series at DC-12
● at 24 V rated value		10 A
● at 60 V rated value		10 A
● at 110 V rated value		10 A
● at 220 V rated value		3.6 A
● at 440 V rated value		2.5 A
● at 600 V rated value		1.8 A
operational current with 2 current paths in series at DC-13
● at 24 V rated value		10 A
● at 60 V rated value		3.5 A
● at 110 V rated value		1.3 A
● at 220 V rated value		0.9 A
● at 440 V rated value		0.2 A
● at 600 V rated value		0.1 A
operational current with 3 current paths in series at DC-13
● at 24 V rated value		10 A
● at 60 V rated value		4.7 A
● at 110 V rated value		3 A
● at 220 V rated value		1.2 A
● at 440 V rated value		0.5 A
● at 600 V rated value		0.26 A
operational current of auxiliary contacts at DC-13
● at 24 V		6 A
● at 48 V		2 A
● at 60 V		2 A
● at 110 V		1 A
● at 125 V		0.9 A
● at 220 V		0.3 A
● at 250 V		0.3 A
contact reliability of auxiliary contacts		1 faulty switching per 100 million (17 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		0.92 kg
Global Warming Potential [CO2 eq] during manufacturing		0.34 kg
Global Warming Potential [CO2 eq] during operation		0.562 kg
Global Warming Potential [CO2 eq] after end of life		0.017 kg
Safety related data
product function
● mirror contact according to IEC 60947-4-1		Yes; with 3RT2
● positively driven operation according to IEC 60947-5-1		Yes
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
CCC		Yes	Yes
Confirmation		Yes	Yes
UL		Yes	Yes
KC		Yes	Yes
EAC		Yes	Yes
EMV
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)		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
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
Information on the packaging https://support.industry.siemens.com/cs/ww/en/view/109813875
Information- and Downloadcenter (Catalogs, Brochures,…) https://www.siemens.com/ic10
Industry Mall (Online ordering system) https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3RH2911-4HA02
Cax online generator http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RH2911-4HA02
Service&Support (Manuals, Certificates, Characteristics, FAQs,...) https://support.industry.siemens.com/cs/ww/en/ps/3RH2911-4HA02
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...) http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RH2911-4HA02&lang=en



last modified:		1/23/2024
Date 11/8/2024	Subject to change without notice © Copyright Siemens 2024