Power supplies provide system integrity

Pepperl+Fuchs has introduced the PS3500 N+1 high-integrity power supply, designed for maximum efficiency and reliability in mission critical and continuous process applications.

PS3500 power supplies are up to 91 per cent efficient and feature a modular design with selectable wiring configurations, enabling them to be configured in an N+1 redundant mode.

N+1 redundancy guarantees system integrity and performance, even during module failure and replacement.

'The PS3500 is engineered to be an affordable but robust power supply system that guarantees continued system functionality by providing N+1 redundancy, high immunity to noise and efficiency in even the most demanding environments,' said Kristen Barbour, product marketing manager.

These 24V DC, 15A power modules plug directly into a three- or six-position chassis/backplane for maximum capacity of 45A or 90A respectively.

The system is designed with external field connectors for easy cabinet layout, LEDs and alarm outputs for quick diagnostic evaluation, while natural convection cooling eliminates the need for external cooling systems.

The power supplies are certified for Class I Div 2/Zone 2 Atex Zone 2 mounting.

PS3500 modules are user-adjustable from 22.5V DC to 30V DC for precise voltage regulation.

They offer universal supply voltage of 90-250V AC/90-300V DC.

They feature configurable load sharing and alarm functions, and provide configuration-free replacement.

The PS3500 series is backwards compatible with PS2500 series power supplies from Pepperl+Fuchs.

With an N+1 redundant power supply configuration, multiple power supply modules (N) have a backup power supply module (+1) where all modules within the configuration share the load.

Should one module in the system fail, the working modules share the load without degrading the integrity of the system.

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