6ES7972-4AA02-0XA0 Overview

The Siemens Power Rail Booster  6ES7972-4AA02-0XA0 is a Power Rail Booster designed for DIN rail mounting. It enhances power distribution for SIMATIC components by stabilizing and boosting voltage within a 20.4 to 28.8 V DC range.

Technical Properties

●Electrical Characteristics:

It operates with an input voltage range of 20.4 to 28.8 V DC and provides galvanic isolation between power rail segments for enhanced system stability.

●Physical Design & Mounting:

Constructed from durable polycarbonate with a depth of 67.5 mm, it is designed for secure and easy mounting on a standard DIN rail.

●Environmental Protection:

The device offers a degree of protection rated at IP20, protecting against dust and incidental contact with live parts.

●Environmental Operating Conditions:

Suitable for operation in environments with relative humidity ranging from 5% to 95% (non-condensing), ensuring broad industrial application.

●Connectivity & Features:

It features bus connectors for seamless integration, an integrated switchable bus termination, and a diagnostic LED for operational status indication.

●Compliance & Approvals:

The product holds major international safety and performance certifications, including CE, UL, and cUL marks.

FAQ

Q1: What is the main purpose of the Siemens 6ES7972-4AA02-0XA0?

A1: It is a Power Rail Booster used to stabilize and enhance the 24V DC power supply on DIN rails, ensuring reliable operation of connected SIMATIC modules.

Q2: What is its input voltage operating range?

A2: It operates with an input voltage range from 20.4 V DC to 28.8 V DC, accommodating typical industrial power variations.

Q3: How is this device physically installed?

A3: It is designed for standard DIN rail mounting, allowing for easy and secure integration into control cabinets and panels.

Q4: Does it provide electrical isolation?

A4: Yes, it provides galvanic isolation between the input and output circuits, protecting downstream components from power disturbances.

Q5: Which systems is it typically used with?

A5: It is primarily used within SIMATIC S7-1500 and ET 200MP systems to support and stabilize the backplane power rail.