Siemens 6EW1881-7AA | Power Supply Module

Reliable Power Delivery for SIMATIC PG Systems

The 6EW1881-7AA power supply module provides stable and consistent power for SIMATIC PG 740 programming devices. This module serves as a dedicated power source for Siemens industrial programming equipment. It accepts a wide input voltage range of 120 to 230 V AC at 50/60 Hz. Consequently, this module ensures seamless operation across various global power grids.

Technical Specifications

Parameter	Specification
Manufacturer	Siemens
Product Line	SIMATIC PG
Model	6EW1881-7AA
Module Type	Power Supply Module
Input Voltage	120 to 230 V AC
Input Frequency	50/60 Hz
Output Current (1)	2.4 A
Output Current (2)	1.5 A
Weight (approx.)	0.45 – 0.8 kg
Dimensions (W x D x H)	13.2 x 20.8 x 7.3 cm
Compatibility	SIMATIC PG 740 PII
Country of Origin	Germany

Output Specifications and Performance

This power supply module delivers two output current ratings: 2.4 A and 1.5 A. The dual-output design supports multiple power requirements within the PG system. This module ensures continuous and interference-free power for reliable system operation. Furthermore, the robust construction minimizes voltage fluctuations during demanding programming tasks.

Physical Characteristics and Weight

The 6EW1881-7AA weighs approximately 0.45 kg according to some sources, or 0.8 kg according to repair service listings. The module measures 13.20 x 20.80 x 7.30 cm, fitting standard PG 740 chassis configurations. Its compact design allows straightforward integration into the programming device housing. This module also features reliable connection interfaces for simple installation.