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Product Description

The Alstom PIB903 is a high-reliability Power Interface Board (PIB) engineered for VMEbus rack systems, specifically the BGTR 8HE chassis. It converts a 220VAC input into a stable 12VDC output, providing clean, regulated power to downstream processors and I/O modules. The PIB903 ensures consistent voltage delivery with high noise immunity, safeguarding sensitive control logic in demanding industrial environments.

Its compact, ruggedized design offers efficient thermal management, a wide operating temperature range, and IP20 protection, making it ideal for utility, railway, and heavy industrial automation applications.


Technical Specifications

Specification Details
Model Number PIB903
Component Type Power Interface Board (PIB)
System Compatibility VMEbus Rack / BGTR 8HE Chassis
Input Voltage 220VAC ±10%, 50/60 Hz
Output Voltage 12V DC
Nominal Current 2 A
Total Power 24 W
Environmental Protection IP20
Operating Temperature -20°C to +70°C 
Dimensions 100 mm x 50 mm x 30 mm
Net Weight 3kg
Mounting Rack-integrated slots

Application Scenarios

The PIB903 is commonly deployed in:

  • Power grid control and monitoring systems

  • Railway signaling infrastructure

  • Heavy industrial automation using VMEbus-based architectures

It is ideal for applications requiring stable voltage regulation, high noise immunity, and reliable power delivery to sensitive digital modules.


Frequently Asked Questions

Q: Is the PIB903 hot-swappable?
A: While VMEbus systems often allow modular replacements, it is recommended to power down the rack segment before replacing the PIB903 to prevent voltage spikes that could damage sensitive components.

Q: Does the PIB903 include surge protection?
A: Yes. The board features integrated filtering and protection circuits, ensuring a clean 12VDC output within ±10% input tolerance.

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