product brand nameSIRIUS
product designationCoupling relay for switching auxiliary circuits
product type designation3RH2
General technical data
size of contactorS00
product extension auxiliary switchNo
power loss [W] for rated value of the current without load current share typical1.6 W
insulation voltage with degree of pollution 3 at AC rated value690 V
degree of pollution3
surge voltage resistance rated value6 kV
at DC10 g / 5 ms, 5 g / 10 ms
at DC15 g / 5 ms, 8 g / 10 ms
of contactor typical30 000 000
reference code according to IEC 81346-2K
Substance Prohibitance (day/month/year)10/01/2009
SVHC substance nameLead CAS-No. 7439-92-1
Net Weight297.8 g
Ambient conditions
installation altitude at height above sea level maximum2 000 m
during operation-25 ... +50 °C
during storage-55 ... +80 °C
relative humidity minimum10 %
relative humidity at 55 °C according to IEC 60068-2-30 maximum95 %
Main circuit
at AC10 000 1/h
at DC10 000 1/h
Control circuit/ Control
type of voltage of the control supply voltageDC
control supply voltage at DC rated value24 V
initial value0.85
full-scale value1.85
design of the surge suppressordiode
closing power of magnet coil at DC1.6 W
holding power of magnet coil at DC1.6 W
at DC25 ... 120 ms
at DC20 ... 80 ms
arcing time10 ... 15 ms
Auxiliary circuit
number of NC contacts for auxiliary contacts2
instantaneous contact2
number of NO contacts for auxiliary contacts2
instantaneous contact2
identification number and letter for switching elements22 E
operational current at AC-12 maximum10 A
at 230 V rated value10 A
at 400 V rated value3 A
at 500 V rated value2 A
at 690 V rated value1 A
at 24 V rated value10 A
at 60 V rated value6 A
at 110 V rated value3 A
at 220 V rated value1 A
at 440 V rated value0.3 A
at 600 V rated value0.15 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
operating frequency at DC-12 maximum1 000 1/h
at 24 V rated value10 A
at 60 V rated value2 A
at 110 V rated value1 A
at 220 V rated value0.3 A
at 440 V rated value0.14 A
at 600 V rated value0.1 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
operating frequency at DC-13 maximum1 000 1/h
contact reliability of auxiliary contacts1 faulty switching per 100 million (17 V, 1 mA)
UL/CSA ratings
contact rating of auxiliary contacts according to ULA600 / Q600
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 (690 V, 1 kA)
Installation/ mounting/ dimensions
mounting position+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface
fastening methodscrew and snap-on mounting onto 35 mm DIN rail
height70 mm
width45 mm
depth73 mm
— forwards10 mm
— upwards10 mm
— downwards10 mm
— at the side0 mm
— forwards10 mm
— upwards10 mm
— at the side6 mm
— downwards10 mm
— forwards10 mm
— upwards10 mm
— downwards10 mm
— at the side6 mm
Connections/ Terminals
type of electrical connection for auxiliary and control circuitspring-loaded terminals
— solid or stranded2x (0,5 ... 4 mm²)
— finely stranded with core end processing2x (0.5 ... 2.5 mm²)
— finely stranded without core end processing2x (0.5 ... 2.5 mm²)
for AWG cables for auxiliary contacts2x (20 ... 12)
Safety related data
positively driven operation according to IEC 60947-5-1Yes
suitable for safety functionYes
suitability for use safety-related switching OFFYes
service life maximum20 a
with low demand rate according to SN 3192040 %
with high demand rate according to SN 3192073 %
B10 value with high demand rate according to SN 319201 000 000; With 0.3 x Ie
failure rate [FIT] with low demand rate according to SN 31920100 FIT
ISO 13849
device type according to ISO 13849-13
overdimensioning according to ISO 13849-2 necessaryYes
IEC 61508
safety device type according to IEC 61508-2Type A
Electrical Safety
protection class IP on the front according to IEC 60529IP20
touch protection on the front according to IEC 60529finger-safe, for vertical contact from the front
Approvals Certificates
global warming potential [CO2 eq] / during manufacturing1.3 kg
global warming potential [CO2 eq] / during operation132 kg
global warming potential [CO2 eq] / after end of life-0.227 kg
global warming potential [CO2 eq] / total133 kg