Front connector (2 A) S7-300 Spring T front connector module with flat ribbon cable connection for 2 A digital output modules power supply via spring-loaded terminals
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24 Velectrical data / header / operating voltage / at DC / rated value
60 Velectrical data / header / operating voltage / at DC / maximum
20; of the front connectorconnection method / number of poles
Application and selection
Compare the complete order number and specifications below with the original part and machine wiring. Check the design, interfaces, supply voltage or connection method as applicable to this product.
Technical specifications
Manufacturer
Siemens
Order number
6ES7921-3AC00-0AA0
target system
SIMATIC S7-300
suitability for use
2A Output module
product type designation
Fully modular connection
product designation
Front connector module
electrical data / header / operating voltage / at DC / rated value
24 V
electrical data / header / operating voltage / at DC / maximum
60 V
electrical data / header / current / rated value
1 A
electrical data / header / continuous current / at DC / per plug-in contact / maximum
1 A
electrical data / header / total current / maximum
4 A
connection method / number of poles
20; of the front connector
connection method / Product component / with shield
No
connection method / type of electrical connection / for connecting cable
Plug-in connection
connection method / number of poles / at the 1st interface
16; the IDC connector for the connection cable
connection method / number of the plug contacts / of the electrical connection
1
connection method / wire length / maximum
30 m; between front connector module and terminal module
connection method / number of terminals
4; 2 x 1 x L+, 2 x 1 x M
connection method / type of electrical connection / for power supply
Spring clamp
connection method / position / of the terminal
at the top
connection method / type of connectable conductor cross-sections / solid
No
connection method / connectable conductor cross-section / for flexible conductor / with core end processing
0.25 ... 1.5 mm²; End sleeve according to DIN 46228 without plastic collar
connection method / connectable conductor cross-section / finely stranded / without core end processing
0.25 ... 1.5 mm²
connection method / connectable conductor cross-section / finely stranded / with core end processing
0.25 ... 1.5 mm²
connection method / type of wire end sleeve / without plastic sleeve / according to DIN 46228-1
Length 5mm to 7mm
connection method / number of cables / per connection
2; Connection for internal system: Combination of 1 or 2 Wires until the sum total of cross sections be achieved in a ferrule.
connection method / stripped length
6 mm
connection method / outer diameter / of the wire insulation
3.1 mm; to the connection of the supply terminal
connection method / width of screwdriver blade
3.5 mm
ambient conditions / operating temperature
0 ... 60 °C
ambient conditions / ambient temperature / during operation
0 ... 60 °C
ambient conditions / ambient temperature / during storage
-40 ... +70
mechanical data / mounting type
direct mounting
mechanical data / color / of the enclosure
black
mechanical data / product feature / transparent
No
mechanical data / material / of the insulating body
other
mechanical data / net weight
0.065 kg
mechanical data / product component / required / end cover plate
No
Connections and conditions of use
connection method / number of poles: 20; of the front connector
connection method / Product component / with shield: No
connection method / type of electrical connection / for connecting cable: Plug-in connection
connection method / number of poles / at the 1st interface: 16; the IDC connector for the connection cable
connection method / number of the plug contacts / of the electrical connection: 1
connection method / wire length / maximum: 30 m; between front connector module and terminal module
connection method / number of terminals: 4; 2 x 1 x L+, 2 x 1 x M
connection method / type of electrical connection / for power supply: Spring clamp
Scope of supply
We will confirm the exact version, package contents and related accessories before ordering. Package information in the technical table applies to the stated order number.
Frequently asked questions
Is the same product family enough to identify a replacement?
The complete order number is essential. If the type changes, compare the electrical and mechanical design, connections and requirements of the original application.
What information is needed to check connections and accessories?
Send a nameplate photo, the designations of related modules and connectors and, where needed, a wiring diagram. We will check the specific version for your application.
Can you assess a faulty part?
Yes. Send the complete order number and a description of the fault. We will check the diagnostic and professional repair options for your specific unit.
Why buy from FOXON
1
Replacement part availability
We will check current part availability and confirm the possible delivery date before you order.
2
New original and refurbished parts
We will specify the available version and condition of the particular unit in the quotation.
3
Parts with a warranty
We will confirm the warranty period according to the part condition and specific quotation.
4
Diagnostics and repairs
For a faulty unit, we will check the options for diagnostics and professional repair.
More than 3,500customers
We deliver tomore than 100 countries
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Part conditions available for sale
Part conditions and warranty
New, sealed (NC): Brand-new, unused part in unopened original packaging. 12-month warranty.
New, opened (NO): Brand-new and unused part, but the original packaging has been opened. 12-month warranty.
New, without packaging (NW): Brand-new and unused part, supplied without original packaging. 12-month warranty.
New (N): New and unused part, typically smaller components supplied in multi-packs in one original package. 12-month warranty.
Refurbished (R): Part has been removed from service, cleaned, inspected and tested to meet original functionality and quality. 12-month warranty.
Used, tested (T): Functional used part that has passed full testing. 6-month warranty.
Used (U): Functional used part. 3-month warranty.
Sales, repairs and buyback of automation parts
We supply replacement parts for industrial automation and assess faulty units for diagnostics and repair. We also buy surplus parts. Send the exact designation and required quantity.
