The Siemens 3RH1911-2FA22 is an auxiliary switch block for use with contactor relays and power contactors. This auxiliary switch block features a snap-on mounting and screw-type terminals electrical connection. It is designed for screw connection for contactors for switching motors. The contact configuration includes 2 normally open (NO) and 2 normally closed (NC) contacts.
Auxiliary switch block
For use with contactor relay and power contactor
Snap-on mounting
2 NO + 2 NC contacts
Product Highlights
The Siemens 3RH1911-2FA22 auxiliary switch block is designed for use with motor contactors, offering enhanced operational functionalities in electrical circuits.
Product Information
Standard Information
Brand: SIEMENS
Manufacturer Part Number: 3RH1911-2FA22
Country of Origin: China
Technical Specifications
Brand
Siemens
Product UPC
75455441599
12-Digit UPC
754554415994
Alternate Mfr Part Number
3RH1911-2FA22
Manufacturer
SIEMENS
Manufacturer Part Number
3RH19112FA22
Series
3RH Series
product brand name
SIRIUS
product category
Auxiliary switch
product designation
auxiliary switch
design of the product
for snapping onto the front
product type designation
3RH19
suitability for use
Contactor relay and power contactor
size of contactor
S00
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
IP20
mechanical service life (operating cycles) typical
10000000
electrical endurance (operating cycles) at AC-15 at 230 V typical
200000
number of NC contacts for auxiliary contacts
2
number of NO contacts for auxiliary contacts
2
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
operational current of auxiliary contacts at AC-12 at 230 V
10 A
operational current of auxiliary contacts at AC-14 at 125 V
6 A
operational current of auxiliary contacts at AC-14 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
operational current of auxiliary contacts at AC-15 at 230 V
6 A
operational current of auxiliary contacts at AC-15 at 400 V
3 A
operational current of auxiliary contacts at DC-12 at 24 V
10 A
operational current of auxiliary contacts at DC-12 at 110 V
3 A
operational current of auxiliary contacts at DC-12 at 220 V
1 A
operational current with 2 current paths in series at DC-12 at 24 V rated value
10 A
operational current with 2 current paths in series at DC-12 at 60 V rated value
10 A
operational current with 2 current paths in series at DC-12 at 110 V rated value
4 A
operational current with 2 current paths in series at DC-12 at 220 V rated value
2 A
operational current with 2 current paths in series at DC-12 at 440 V rated value
1.3 A
operational current with 2 current paths in series at DC-12 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
operational current with 3 current paths in series at DC-12 at 60 V rated value
10 A
operational current with 3 current paths in series at DC-12 at 110 V rated value
10 A
operational current with 3 current paths in series at DC-12 at 220 V rated value
3.6 A
operational current with 3 current paths in series at DC-12 at 440 V rated value
2.5 A
operational current with 3 current paths in series at DC-12 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
operational current with 2 current paths in series at DC-13 at 60 V rated value
3.5 A
operational current with 2 current paths in series at DC-13 at 110 V rated value
1.3 A
operational current with 2 current paths in series at DC-13 at 220 V rated value
0.9 A
operational current with 2 current paths in series at DC-13 at 440 V rated value
0.2 A
operational current with 2 current paths in series at DC-13 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
operational current with 3 current paths in series at DC-13 at 60 V rated value
4.7 A
operational current with 3 current paths in series at DC-13 at 110 V rated value
3 A
operational current with 3 current paths in series at DC-13 at 220 V rated value
1.2 A
operational current with 3 current paths in series at DC-13 at 440 V rated value
0.5 A
operational current with 3 current paths in series at DC-13 at 600 V rated value
0.26 A
operational current of auxiliary contacts at DC-13 at 24 V
6 A
operational current of auxiliary contacts at DC-13 at 48 V
2 A
operational current of auxiliary contacts at DC-13 at 60 V
2 A
operational current of auxiliary contacts at DC-13 at 110 V
1 A
operational current of auxiliary contacts at DC-13 at 125 V
0.9 A
operational current of auxiliary contacts at DC-13 at 220 V
0.3 A
operational current of auxiliary contacts at DC-13 at 250 V
0.3 A
contact reliability of auxiliary contacts
1 faulty switching per 100 million (17 V, 1 mA)
ambient temperature during operation
-25 ... +60 °C
ambient temperature during storage
-55 ... +80 °C
product function mirror contact according to IEC 60947-4-1
Yes; with 3RT1
product function positively driven operation according to IEC 60947-5-1
Yes
fastening method
snap-on mounting
height
37.5 mm
width
36.5 mm
depth
46 mm
terminal type
Spring-type terminal
type of electrical connection for auxiliary and control circuit
spring-loaded terminals
connectable conductor cross-section for auxiliary contacts solid or stranded
0.5 ... 2.5 mm²
connectable conductor cross-section for auxiliary contacts finely stranded with core end processing
0.5 ... 2.5 mm²
connectable conductor cross-section for auxiliary contacts finely stranded without core end processing
0.5 ... 2.5 mm²
type of connectable conductor cross-sections for auxiliary contacts solid or stranded
2x (0.5 ... 2.5 mm²)
type of connectable conductor cross-sections for auxiliary contacts finely stranded with core end processing
2x (0.5 ... 1.5 mm²)
type of connectable conductor cross-sections for auxiliary contacts finely stranded without core end processing
2x (0.5 ... 2.5 mm²)
for AWG cables for auxiliary contacts
2x (20 ... 14)
AWG number as coded connectable conductor cross section for auxiliary contacts