Product Overview

The 6ES7138-7EA01-0AA0 is a specialized Power Supply Module (PS) within the SIMATIC ET 200iSP intrinsically safe distributed I/O family. Engineered specifically for high-risk industrial zones, this module provides the necessary 24V DC power to internal electronic modules and sensors while maintaining strict explosion-proof boundaries. It acts as the electrical heart of the ET 200iSP station, isolating the standard power grid from the sensitive, hazardous-area circuitry. Its design emphasizes high availability and safety, ensuring that localized power faults do not compromise the integrity of the broader automation network.

Critical Engineering & Safety Specifications

• Power Output: 24V DC regulated supply

• Explosion Protection: Ex db eb [ib] IIC T4 Gb / Ex db eb [ib] I Mb

• System Environment: Specifically for SIMATIC ET 200iSP Distributed I/O

• Mounting Method: Optimized for Terminal Modules (TM-PS)

• Isolation Features: Galvanic isolation between primary and secondary circuits

• Current Protection: Integrated short-circuit and overload monitoring

• Operational Temperature: -20 °C to +70 °C (Horizontal installation)

• Weight: Approx. 3.098 kg (net)

• Dimensions: 60mm x 190mm x 150mm (Approximate module size)

• Standards Compliance: ATEX, IECEx, and CE certified

Hazardous-Area Industrial Applications

• Oil and Gas Upstream: Providing intrinsically safe power to remote I/O stations on offshore platforms and drilling rigs where explosive gases are a constant risk.

• Chemical Processing Units: Powering decentralized automation hardware in reactor zones and volatile storage areas requiring Zone 1 or Zone 2 classification.

• Pharmaceutical Cleanrooms: Delivering stable power to automated batching systems where chemical vapors necessitate high-level Ex-ratings.

• Mining Operations: Used in underground and surface mining environments to maintain control system uptime in methane-rich or dust-heavy zones.

• Petrochemical Refineries: Integrated into field-mounted enclosures to provide localized power for critical process instrumentation and valve control.