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Siemens 6ES7921-3AA20-0AA0 SIMATIC S7-300 Front Connector Module

Name: Siemens 6ES7921-3AA20-0AA0
Brand: Siemens
SKU: 6ES7921-3AA20-0AA0
Availability: InStock

Siemens SIMATIC S7-300 Front Connector Module for 32 digital I/O.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerSiemens

Part number6ES7921-3AA20-0AA0

Type Front Connector Module

For SIMATIC S7-300

I/O Count 32 Digital I/O

Connection Flat ribbon cable

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12-month warranty

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Veteran-owned

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Connects 32 digital I/O modules Uses flat ribbon cable Spring terminal power supply For SIMATIC S7-300 High-density I/O connection

Product description

The Siemens 6ES7921-3AA20-0AA0 is a front connector module for the SIMATIC S7-300 series, engineered to interface with digital 32 I/O modules. It employs a flat ribbon cable for streamlined signal connections and utilizes spring terminals for power supply, ensuring efficient and reliable I/O management.

This module is integral to industrial automation setups utilizing the Siemens S7-300 platform, particularly when higher densities of digital inputs and outputs are required. It serves diverse industries such as automotive, packaging, and general manufacturing, where robust and organized wiring for 32 I/O points is essential.

Stanlo Automation, a veteran-owned surplus automation parts distributor, offers the Siemens 6ES7921-3AA20-0AA0. We are committed to supplying quality components that keep your automation systems operational. Purchase this 32 I/O front connector module from Stanlo Automation for reliable performance and excellent value.

Technical specifications

Type	Front Connector Module
For	SIMATIC S7-300
I/O Count	32 Digital I/O
Connection	Flat ribbon cable
Power	Spring terminals

Common applications

Industrial automation

SIMATIC S7-300 systems

High-density digital I/O

Machine control

Process automation

Compatible systems

SIMATIC S7-300 CPUs SIMATIC S7-300 Digital I/O modules (32 points)

Also known as

SIMATIC S7-300 32 I/O Front Connector Siemens 32 channel digital I/O interface S7-300 front connector

Replaces / compatible with

Replaces standard front connectors for SIMATIC S7-300 digital I/O modules with 32 points.

Technical note

Expert tip

Ensure the flat ribbon cable is properly aligned with the connector key to avoid damage and ensure correct pin-out for the 32 digital I/O points.

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Frequently asked questions

What is the capacity of the Siemens 6ES7921-3AA20-0AA0 front connector module?

The Siemens 6ES7921-3AA20-0AA0 front connector module is designed for SIMATIC S7-300 systems and supports digital 32 I/O modules. It uses a flat ribbon cable for signal connections and spring terminals for power, facilitating efficient wiring for high-density I/O configurations.