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PRODUCT DESCRIPTION
6ES7921-5AH20-0AA0 S7-1500 push-in front connector module
Siemens 6ES7921-5AH20-0AA0 is a S7-1500 push-in front connector module in the SIMATIC TOP connect family. It is intended for SIMATIC S7-1500, with suitable module type of Digital 32-channel I/O modules and signal connectors of 4 x 16-pole IDC for compatible installations.
Its technical characteristics include potential supply: Push-in terminals; rated operating voltage: 24 V DC; maximum operating voltage: 60 V DC; and rated contact current: 1 A. These values define its electrical behavior and connection profile during normal use.
Its technical characteristics include potential supply: Push-in terminals; rated operating voltage: 24 V DC; maximum operating voltage: 60 V DC; and rated contact current: 1 A. These values define its electrical behavior and connection profile during normal use.
BEFORE YOU BUY
Confirm the complete s7-1500 push-in front connector module
ACTUAL APPLICATIONS
Application context for 6ES7921-5AH20-0AA0
6ES7921-5AH20-0AA0 supports use across the three industry fields below. Its SIMATIC TOP connect format supports compatible S7-1500 installations within these fields.
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01 · OIL & GAS
Oil, Gas and Petrochemical Facilities
Upstream and downstream energy facilitiesPipeline, terminal and storage facilities -
02 · POWER GENERATION
Power Generation and Grid Infrastructure
Thermal and hydroelectric energy facilitiesRenewable energy and grid support facilities -
03 · METALS & MINING
Metals, Mining and Mineral Industries
Steel and nonferrous metal facilitiesMining and mineral industry facilities
Technical specifications for 6ES7921-5AH20-0AA0
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Product Model6ES7921-5AH20-0AA0
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Product ParametersS7-1500 push-in front connector module
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In stock1 unit
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ManufacturerSiemens
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Product typeFront connector module
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Target systemSIMATIC S7-1500
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Suitable module typeDigital 32-channel I/O modules
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Signal connectors4 x 16-pole IDC
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Potential supplyPush-in terminals
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Rated operating voltage24 V DC
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Maximum operating voltage60 V DC
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Rated contact current1 A
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Maximum total current2 A horizontal mounting
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Operating temperature0 to 60 °C
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Front connector poles40
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Power terminals8; four L+ and four M
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Stripped conductor length8 mm
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Flexible conductor range0.25 to 1.5 mm²
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Electrical connectionPlug-in connection
View all additional
Alternative Names
6ES7921-5AH20-0AA0
SIMATIC TOP connect S7-1500 push-in front connector module
TOP connect Front connector module
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
SYSTEM INTEGRATION
Integrate 6ES7921-5AH20-0AA0 s7-1500 push-in front connector module
6ES7921-5AH20-0AA0 is a S7-1500 push-in front connector module in the SIMATIC TOP connect family. Manufacturer documentation lists product type as Front connector module and target system as SIMATIC S7-1500, defining the main integration scope.
For electrical and interface planning, match suitable module type (Digital 32-channel I/O modules), signal connectors (4 x 16-pole IDC) and potential supply (Push-in terminals) to the installed configuration.
During commissioning, apply the documented rated operating voltage of 24 V DC; then confirm maximum operating voltage of 60 V DC and rated contact current of 1 A under normal operating conditions.
Features:
- Confirm Product type: Front connector module
- Match Target system: SIMATIC S7-1500
- Review Suitable module type: Digital 32-channel I/O modules
The 6ES7921-5AH20-0AA0 s7-1500 push-in front connector module requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify 6ES7921-5AH20-0AA0 s7-1500 push-in front connector module
Use the complete 6ES7921-5AH20-0AA0 identity when evaluating a replacement. Compare product type (Front connector module) and suitable module type (Digital 32-channel I/O modules) with the installed unit before removal.
Record wiring, connectors and mounting details together with signal connectors (4 x 16-pole IDC), potential supply (Push-in terminals) and the visible hardware revision.
After fitting, verify rated operating voltage (24 V DC), test maximum operating voltage (60 V DC) and confirm rated contact current (1 A) before returning the installation to service.
Features:
- Record Signal connectors: 4 x 16-pole IDC
- Compare Potential supply: Push-in terminals
- Test Rated operating voltage: 24 V DC
The 6ES7921-5AH20-0AA0 s7-1500 push-in front connector module requires replacement verification against the complete installed configuration and current manufacturer documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.
Features:
- Verify document identity before procurement or installation
- Match the complete order to the manufacturer document scope
- Accessories are supplied only when listed in the quotation
Documentation for the 6ES7921-5AH20-0AA0 s7-1500 push-in front connector module must be checked for document applicability before installation or commissioning.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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01
Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed size5.00 x 13.30 x 3.40cm
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Shipping weight0.10 kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference8538909100
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OriginGermany
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
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Condition checked
Label and appearance -
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Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 6ES7921-5AH20-0AA0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Where does 6ES7921-5AH20-0AA0 fit in a SIMATIC TOP connect installation when target system is SIMATIC S7-1500?
Confirm the complete 6ES7921-5AH20-0AA0 order code and the documented SIMATIC TOP connect context. The record lists target system as SIMATIC S7-1500; the installed system must support that exact role. -
How should suitable module type Digital 32-channel I/O modules and rated operating voltage 24 V DC be checked when wiring 6ES7921-5AH20-0AA0?
Record terminal, connector and cable identification before removal. Verify suitable module type (Digital 32-channel I/O modules) together with rated operating voltage (24 V DC) against the applicable drawing. -
What commissioning test confirms signal connectors 4 x 16-pole IDC on 6ES7921-5AH20-0AA0?
Check the supply and configuration first, then test every affected signal or function. Acceptance should document signal connectors at 4 x 16-pole IDC without diagnostics or abnormal indications. -
If 6ES7921-5AH20-0AA0 does not behave as expected, how should potential supply Push-in terminals be investigated?
Compare the live condition with the documented potential supply of Push-in terminals. Inspect wiring, seating, protection and related diagnostics before deciding that the S7-1500 push-in front connector module is defective. -
Which installed details must be preserved when replacing 6ES7921-5AH20-0AA0 with respect to rated operating voltage 24 V DC?
Photograph the label and connections, export any relevant configuration, and record rated operating voltage (24 V DC). A visually similar part is not interchangeable unless these details agree. -
How should a spare 6ES7921-5AH20-0AA0 be protected while retaining the documented maximum operating voltage 60 V DC?
Keep the exact article number visible, protect terminals and electronics from contamination and ESD, and retain documentation for maximum operating voltage (60 V DC) with the stored unit. -
What should a distributor confirm about rated contact current 1 A before quoting 6ES7921-5AH20-0AA0?
The quotation should state the full 6ES7921-5AH20-0AA0 identity, condition, revision when visible, and rated contact current (1 A). Supplied accessories and documents must be listed explicitly. -
Which handover records are needed for 6ES7921-5AH20-0AA0 when maximum total current is 2 A horizontal mounting and power terminals is 8; four L+ and four M?
Attach nameplate and connection photos, the installation location, commissioning results, and the documented maximum total current (2 A horizontal mounting) plus power terminals (8; four L+ and four M).
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