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.
| 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 |
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.
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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