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Siemens 6ES7921-5AH20-0AA0

Front connector module with 4x16 pole IDC connector for digital 32 I/O modules of the S7-1500 Potential supply over Push-in terminal

SiemensMFR # 6ES7921-5AH20-0AA0SKU # CEY-937FC77F0B7E

target systemSIMATIC S7-1500

suitability for useDigital I/O modules

product brand nameSIMATIC Top connect

product type designationFully modular connection

product designationFront connector module

rated value24 V

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About This Product

Front connector module with 4x16 pole IDC connector for digital 32 I/O modules of the S7-1500 Potential supply over Push-in terminal

Siemens 6ES7921-5AH20-0AA0

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Specifications

target systemSIMATIC S7-1500

suitability for useDigital I/O modules

product brand nameSIMATIC Top connect

product type designationFully modular connection

product designationFront connector module

electrical data / header

rated value24 V

maximum60 V

current / rated value1 A

continuous current / at DC / per plug-in contact / maximum1 A

total current / maximum2 A; for mounting position horizontal

connection method

number of poles40; of the front connector

Product component / with shieldNo

type of electrical connection / for connecting cablePlug-in connection

number of poles / at the 1st interface16; the IDC connector for the connection cable

number of the plug contacts / of the electrical connection4

wire length / maximum30 m; between front connector module and terminal module

number of terminals8; 4 x 1 x L+, 4 x 1 x M

type of electrical connection / for power supplyPush-In terminal

position / of the terminalat the top

type of connectable conductor cross-sections / solidNo

for flexible conductor / with core end processing0.25 ... 1.5 mm²; End sleeve according to DIN 46228/1 or DIN 46228/4 with plastic collar max. 0.75 mm2

stranded0.5 ... 1.5 mm²

finely stranded / without core end processing0.5 ... 1.5 mm²

finely stranded / with core end processing0.25 ... 1.5 mm²

with plastic sleeve / according to DIN 46228-4Length 8mm to 9mm

without plastic sleeve / according to DIN 46228-1Length 8mm to 9mm

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.

stripped length8 mm

outer diameter / of the wire insulation3.1 mm; to the connection of the supply terminal

width of screwdriver blade3.5 mm

standards, specifications, approvals

certificate of suitability / cULus approvalYes

design tested acc. to type of protection / EEx eNo

overvoltage category2

degree of pollution2

ambient conditions

operating temperature0 ... 60 °C

during operation0 ... 60 °C

during storage-40 ... +70

mechanical data

mounting typedirect mounting

color / of the enclosureblack

product feature / transparentNo

material / of the insulating bodyother

net weight0.099 kg

product component / required / end cover plateNo

additional information

manufacturer's article number / of device connector / usablereplacement for S7-1500 40 pole

other informationtechnical specifications apply to rated input voltage values and +25 °C ambient temperature (if not otherwise specified)

marketing textThe front connector module for SIMATIC S7-1500 with push-in terminals for potential feed to connect 16-pole cables represents a modified front connector for connection to a digital I/O module. This is plugged into the module to be wired instead of the front connector. Here the cables are plugged in and connected to the connection module.This modified front connector module is part of the fully modular connection of SIMATIC TOP connect for the fastest and safest system cabling. In addition to low wiring costs, error sources in cabling can be significantly reduced. Sensors and actuators from the peripherals are attached to the connection modules of SIMATIC TOP connect and linked to the SIMATIC S7-300 via connecting cable and front plug-in module.