6ES7921-3AG00-0AA0
FRONT CONNECTOR ANALOG 20POLE S7-300 SCR

From SIEMENS

FRONT CONNECTOR ANALOG 20POLE S7-300 SCR
Front connector module with flat ribbon Cable connection for analog Modules of the S7-300, Power supply over Screw terminals
Target systemSIMATIC S7-300
Suitability for useAnalog I/O modules
Product type designationFully modular connection
Product designationFront connector module
Operating data
Operating voltage
at DC / Rated value24 V
rated value60 V
at DC / maximum60 V
Current / rated value1 A
Continuous current / at DC / per plug-in contact / maximum1 A
Total current / maximum4 A
Operating temperature0 ... 60 °C
Ambient temperature
during operation0 ... 60 °C
during storage-40 ... +70 °C
Number of poles20; of the front connector
Manufacturer's article number / of device connector / usablereplacement for S7-300 20 pole
number of the plug contacts / of the electrical connection2
Type of electrical connection / for connecting cablePlug-in connection
Number of poles / at the 1st interface16; the IDC connector for the connection cable
Position / of the terminalat the top
Type of electrical connection / for power supplyScrew-type terminal
Number of terminals2; 1 x L+, 1 x M
Width of screwdriver blade3.5 mm
Tightening torque / with screw-type terminals0.4 ... 0.7 N·m
Product component / required / connection plateNo
Number of cables / per connection2; Connection for internal system: Combination of 1 or 2 Wires until the sum total of cross sections be achieved in a ferrule.
Wire stripping length6 mm
Type of connectable conductor cross-sections / solidNo
Connectable conductor cross-section
for flexible conductor / with core end processing0.25 ... 1.5 mm²; End sleeve according to DIN 46228 without plastic collar
stranded0.25 ... 1.5 mm²
finely stranded / without core end processing0.25 ... 1.5 mm²
finely stranded / with core end processing0.25 ... 1.5 mm²
Type of wire end sleeve
without plastic sleeve / acc. to DIN 46228-1Length 5mm to 7mm
Wire length / maximum30 m; between front connector module and terminal module
General data
Mounting typedirect mounting
Degree of pollution2
Overvoltage category2
Design tested acc. to type of protection / EEx eNo
Certificate of suitability / cULus approvalYes
Equipment marking / acc. to DIN EN 81346-2X
Material / of the insulating bodyother
Color / of the enclosureblack
Product feature / transparentNo
Net weight0.065 kg
last modified:03/08/2019

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