Product Description
Allen-Bradley 1756-PA75R ControlLogix AC Redundant Power Supply
Product Overview
The Allen-Bradley 1756-PA75R is a ControlLogix AC Redundant Power Supply designed to provide reliable and redundant power to ControlLogix systems. It ensures continuous operation in critical applications by working in tandem with another power supply for automatic failover in case of a failure.
Technical Specifications
| Attribute | 1756-PA75R Details |
|---|---|
| Manufacturer | Allen-Bradley |
| Model Number | 1756-PA75R |
| Description | ControlLogix AC Redundant Power Supply |
| Input Voltage Range | 85…265V AC |
| Nominal Input Voltage | 120V/240V AC, 50/60 Hz |
| Input Frequency Range | 47…63 Hz |
| Input Power (Max) | 120VA, 115W, 110W |
| Output Power (Max) | 75W @ 0…60°C (32…140°F) |
| Inrush Current (Max) | 20 A |
| Hold Up Time | 2 cycles @ 60 Hz, 2 cycles @ 50 Hz |
| Current Capacity @ 1.2V | 1.5 A |
| Current Capacity @ 3.3V | 4 A |
| Current Capacity @ 5.1V | 13 A |
| Current Capacity @ 24V | 2.8 A |
| Annunciator Power | 240V AC 50/60 Hz, 240V DC, 50 mA, resistive only |
| Isolation Voltage | 250V (continuous), Reinforced Insulation Type |
| Dielectric Strength | 3250V DC for 60 seconds |
| Dimensions (HxWxD) | 17.5 x 14.5 x 13.7 cm (6.9 x 5.7 x 5.4 in.) |
| Weight (Approx.) | 1.45 kg (3.2 lb) |
Environmental Specifications
| Attribute | 1756-PA75R Details |
|---|---|
| Operating Temperature | 0…60°C (32…140°F) |
| Max Surrounding Air Temperature | 60°C (140°F) |
| Non-Operating Temperature | -40…+85°C (-40…+185°F) |
| Relative Humidity | 5…95% non-condensing |
| Vibration | 2 g @ 10…500 Hz |
| Shock (Operating) | 30 g |
| Shock (Non-Operating) | 50 g |
| Electrostatic Discharge (ESD) Immunity | 6 kV (contact), 8 kV (air) |
| Radiated RF Immunity | 10V/m from 80…2000 MHz |
| EFT/B Immunity | ±4 kV at 5 kHz on power and annunciator ports |
| Surge Transient Immunity | ±1 kV line-line (DM), ±2 kV line-earth (CM) on power ports |
| Conducted RF Immunity | 15V rms with 1 kHz sine wave 80% AM from 150 kHz…80 MHz |
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