Allen-Bradley 1797-PS1N FlexEx Power Supply Module
The Allen-Bradley 1797-PS1N is a power supply module for Allen-Bradley platforms. Power Dissipation: 21 Watts | Thermal Dissipation: 71.67 BTU/hr | Operating Voltage Range: 85 to 250 Volts AC. Factory-sealed, live-rack tested, 48-hour burn-in. 12-month warranty. Ships within 24h.
Technical Specifications
| 1797-PS1N | is designed to provide power to FlexEx I/O modules. It has been discontinued as of December 31, 2017. |
|---|---|
| Input Power Requirement | 55 Watts |
| Power Dissipation | 21 Watts |
| Thermal Dissipation | 71.67 BTU/hr |
| Operating Voltage Range | 85 to 250 Volts AC |
| Output Power Rating | 8.5 Watts |
| Channels | 4 channels, independently IS limited |
| Galvanic Isolation | Channel outputs are IS galvanically isolated from the source |
| Wiring | Maximum of 4 mm² or 12 AWG wire with an insulation rating of 100°C (212°F) or higher, and a maximum insulation thickness of 1.2 mm (3/64 inches) |
| Manufacturer | Allen-Bradley |
| Model / SKU | 1797-PS1N |
Ships within 24 hours | 12-Month Warranty | Worldwide Delivery
The Allen-Bradley 1797-PS1N powers every module in your Allen-Bradley rack. Capacitor aging is the primary failure mechanism — accelerated by temperature. Input Power Requirement: 55 Watts. Power Dissipation: 21 Watts. Thermal Dissipation: 71.67 BTU/hr.
Live-chassis tested under load: all rails verified, ripple measured, protection circuits checked. 48h burn-in at 55°C. Printed test report. Genuine Allen-Bradley. 12-month warranty. Ships within 24h.
Is my power supply failing?
Watch for: module runs hotter, output voltage drifts low, ripple noise on analog signals, intermittent resets. Proactive replacement avoids emergency shutdown.
Testing performed?
Visual inspection, live-chassis power-up, voltage regulation, ripple measurement, protection verification, 48h burn-in at 55°C. Documented in printed test report.
Keep a spare?
Yes. Spare costs under $2,000. One unplanned rack outage can exceed $10,000/hour. Use dual supplies for redundancy where supported.
Compatible Parts — Same System
These modules share the same system family as the 1797-PS1N. Commonly ordered together for complete rack builds or spare parts kits.
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