Data sheet
3RH2122-2GG20
Contactor relay, 2 NO + 2 NC, 110 V AC, 50 / 60 Hz, with full-wave rectifier,
Size S00, Spring-type terminal
product brand name
SIRIUS
product designation
Auxiliary contactor
product type designation
3RH2
General technical data
size of contactor
S00
product extension auxiliary switch
Yes
insulation voltage with degree of pollution 3 at AC rated
value
690 V
degree of pollution
3
surge voltage resistance rated value
6 kV
shock resistance at rectangular impulse
● at AC
7,3g / 5 ms, 4,7g / 10 ms
shock resistance with sine pulse
● at AC
11,4g / 5 ms, 7,3g / 10 ms
mechanical service life (switching cycles)
● of contactor typical
30 000 000
● of the contactor with added electronically optimized
auxiliary switch block typical
5 000 000
● of the contactor with added auxiliary switch block
typical
10 000 000
reference code acc. to IEC 81346-2
K
Substance Prohibitance (Date)
01.10.2009 00:00:00
Ambient conditions
installation altitude at height above sea level maximum
2 000 m
● ambient temperature during operation
-25 ... +60 °C
● ambient temperature during storage
-55 ... +80 °C
Main circuit
no-load switching frequency
● at AC
10 000 1/h
● at DC
10 000 1/h
Control circuit/ Control
type of voltage of the control supply voltage
AC
control supply voltage at AC
● at 50 Hz rated value
110 V
● at 60 Hz rated value
110 V
control supply voltage frequency
● 1 rated value
50 Hz
● 2 rated value
60 Hz
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© Copyright Siemens
operating range factor control supply voltage rated
value of magnet coil at AC
● at 50 Hz
0.8 ... 1.1
● at 60 Hz
0.85 ... 1.1
design of the surge suppressor
with full-wave rectification
apparent pick-up power of magnet coil at AC
37 V·A
inductive power factor with closing power of the coil
0.8
apparent holding power of magnet coil at AC
5.7 V·A
inductive power factor with the holding power of the
coil
0.25
closing delay
● at AC
8 ... 33 ms
opening delay
● at AC
arcing time
4 ... 15 ms
10 ... 15 ms
Auxiliary circuit
number of NC contacts for auxiliary contacts
● instantaneous contact
number of NO contacts for auxiliary contacts
● instantaneous contact
2
2
2
2
identification number and letter for switching
elements
22 E
operational current at AC-12 maximum
10 A
operational current at AC-15
● at 230 V rated value
10 A
● at 400 V rated value
3A
● at 500 V rated value
2A
● at 690 V rated value
1A
operational current at 1 current path at DC-12
● at 24 V rated value
10 A
● at 110 V rated value
3A
● at 220 V rated value
1A
● at 440 V rated value
0.3 A
● at 600 V rated value
0.15 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
4A
● at 220 V rated value
2A
● 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
operating frequency at DC-12 maximum
1 000 1/h
operational current at 1 current path at DC-13
● at 24 V rated value
10 A
● at 110 V rated value
1A
● at 220 V rated value
0.3 A
● at 440 V rated value
0.14 A
● at 600 V rated value
0.1 A
operational current with 2 current paths in series at
DC-13
● at 24 V rated value
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10 A
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© Copyright Siemens
● 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
3A
● at 220 V rated value
1.2 A
● at 440 V rated value
0.5 A
● at 600 V rated value
0.26 A
operating frequency at DC-13 maximum
1 000 1/h
design of the miniature circuit breaker for short-circuit
protection of the auxiliary circuit up to 230 V
C characteristic: 6 A; 0.4 kA
contact reliability of auxiliary contacts
1 faulty switching per 100 million (17 V, 1 mA)
UL/CSA ratings
contact rating of auxiliary contacts according to UL
A600 / Q600
Short-circuit protection
design of the fuse link for short-circuit protection of the
auxiliary switch required
fuse gL/gG: 10 A
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 method
screw and snap-on mounting onto 35 mm standard mounting rail
height
70 mm
width
45 mm
depth
73 mm
required spacing
● with side-by-side mounting
— forwards
10 mm
— upwards
10 mm
— downwards
10 mm
— at the side
0 mm
● for grounded parts
— forwards
10 mm
— upwards
10 mm
— at the side
6 mm
— downwards
10 mm
● for live parts
— forwards
10 mm
— upwards
10 mm
— downwards
10 mm
— at the side
6 mm
Connections/ Terminals
type of electrical connection for auxiliary and control circuit
spring-loaded terminals
type of connectable conductor cross-sections
● for auxiliary contacts
— solid or stranded
2x (0,5 ... 4 mm²)
— finely stranded with core end processing
2x (0.5 ... 2.5 mm²)
— finely stranded without core end processing
2x (0.5 ... 2.5 mm²)
● at AWG cables for auxiliary contacts
2x (20 ... 12)
Safety related data
B10 value with high demand rate acc. to SN 31920
1 000 000; With 0.3 x Ie
proportion of dangerous failures
● with low demand rate acc. to SN 31920
40 %
● with high demand rate acc. to SN 31920
73 %
failure rate [FIT] with low demand rate acc. to SN 31920
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100 FIT
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© Copyright Siemens
product function positively driven operation acc. to IEC
60947-5-1
Yes
T1 value for proof test interval or service life acc. to
IEC 61508
20 y
protection class IP on the front acc. to IEC 60529
IP20
touch protection on the front acc. to IEC 60529
finger-safe, for vertical contact from the front
Certificates/ approvals
General Product Approval
EMC
KC
Declaration of Conformity
Miscellaneous
Test Certificates
Type Test
Certificates/Test
Report
Marine / Shipping
Special Test
Certificate
Marine / Shipping
other
Confirmation
other
Further information
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=3RH2122-2GG20
Cax online generator
http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RH2122-2GG20
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/ww/en/ps/3RH2122-2GG20
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RH2122-2GG20&lang=en
Characteristic: Tripping characteristics, I²t, Let-through current
https://support.industry.siemens.com/cs/ww/en/ps/3RH2122-2GG20/char
Further characteristics (e.g. electrical endurance, switching frequency)
http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3RH2122-2GG20&objecttype=14&gridview=view1
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© Copyright Siemens
3RH21222GG20
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© Copyright Siemens
3RH21222GG20
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© Copyright Siemens
last modified:
3RH21222GG20
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12/15/2020
1.21.2021
Subject to change without notice
© Copyright Siemens
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