MTL 8913-PS-AC Dual-Channel Industrial Power Module
I. Product Background
This module was originally developed by MTL and later incorporated into GE’s intelligent platform product line. Currently, it is under the brand ownership of Emerson. It is a dedicated dual-channel power supply unit for the PAC8000 remote I/O control system. It has obtained Class 1 Div2/Zone2 hazardous area certification and is specifically designed for explosion-prone cabinet environments in industries such as petrochemical and oil platforms. Compared models in the same series:
8913-PS-AC: AC input, dual-channel DC output
8910-PS-DC: DC input model, 8914-PS-AC: single-channel high-current 24V output model. It cannot be directly replaced and used.
Core Electrical Parameters Table
Parameter Categories Specification Details
Input Specifications 85~264VAC wide-range AC input, adaptable to global industrial power supply voltage fluctuations
Dual Independent Outputs 12VDC/5A (for PAC8000 rack main control card), 24VDC/5A (for field transmitters, valve actuators)
Heat Dissipation Form No fan natural convection cooling, reducing dust accumulation and mechanical wear failures
Installation Method Standard DIN rail snap-in installation, suitable for compact cabinet layout
Operating Environment -20℃~+70℃ operating temperature, humidity 5%~95% no condensation, protection grade IP20 (for use in cabinet)
Built-in Protection Overvoltage, overcurrent, short circuit, overheating, surge lightning protection complete protection, EMC industrial anti-interference design
Expansion Capability Brings built-in load sharing circuit, supports multi-module parallel redundant operation, seamless power supply switching in case of single unit failure
Three. Core Functional Features
Isolated Power Supply by Branch
Two output electrical isolation, 12V dedicated for system main control board, 24V dedicated for field peripherals, avoiding interference to the core control loop due to fluctuations in field loads.
Adaptation for Hazardous Environments
Passed Class II explosion-proof certification, can be directly deployed in explosion-proof cabinets of refineries, offshore drilling platforms, meeting safety standards of the chemical industry.
Convenient Maintenance Design
Panel equipped with dual-color LED indicators, intuitively display normal power supply and fault alarm status; modular rail disassembly and assembly, high efficiency for on-site spare parts replacement.
Reliable Redundant Networking
Multiple units of the same model module parallel for redundant backup, single module power failure / damage will not interrupt the operation of the entire IO station, reducing production line downtime risks.
Four. Typical Application Scenarios
Whole machine power supply for PAC8000 distributed remote IO stations in oil and gas refineries, offshore platforms;
Centralized power supply for auxiliary control of power plant units, heavy-load equipment collection cabinets;
Power supply retrofit for pressure / temperature transmitters and valve actuators in chemical plants.
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