Products Description




| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |

Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Allen‑Bradley 1756‑PA75R ControlLogix Redundant Power Supply |
| Module Type | Redundant AC power supply for ControlLogix chassis |
| Series | ControlLogix 1756 I/O family |
| Input Voltage Range | 85 – 265 V AC, 47 – 63 Hz |
| Nominal Input Voltage | 120/240 V AC |
| Input Power (Max) | ~115 W (120 VA) |
| Inrush Current (Max) | ~20 A |
| Output Power | 75 W @ 0 – 60 °C |
| Output DC Rails & Currents | 1.2 V DC @ ~1.5 A; 3.3 V DC @ ~4 A; 5.1 V DC @ ~13 A; 24 V DC @ ~2.8 A |
| Annunciator Power | 240 V AC/DC, 50 mA resistive only |
| Hold‑up Time | ~2 cycles @ 50/60 Hz |
| Isolation Voltage | ~250 V continuous (reinforced insulation) |
| Redundant Configuration | True (for use with paired redundant supplies) |
| Wire Size (Power) | 2.5 mm² (14 AWG) solid or stranded copper |
| Wire Size (Annunciator) | 0.25 – 2.5 mm² (22 – 14 AWG) |
| Operating Temperature Range | 0 °C to 60 °C |
| Storage Temperature Range | –40 °C to 85 °C |
| Relative Humidity (Non‑condensing) | 5 % to 95 % |
| Mounting | Panel mounted outside chassis |
| Dimensions (H × W × D) | ~175 mm × 145 mm × 137 mm (~6.9″ × 5.7″ × 5.4″) |
| Weight | ~1.45 kg (~3.2 lb) |
FAQ
FAQ
Q1: What is the 1756‑PA75R used for?
It is a redundant AC power supply that provides backplane DC power for ControlLogix systems.
Q2: What input voltages does it accept?
It supports a broad AC range from 85 V to 265 V at 47–63 Hz with nominal 120/240 V AC.
Q3: How much power can this supply deliver?
It delivers up to 75 W of total output power at normal operating temperatures.
Q4: Can it be used for redundant operation?
Yes — it is designed for redundant configurations where two units share the chassis load.
Q5: What DC output rails and currents does it provide?
It provides multiple backplane rails: 1.2 V @ ~1.5 A, 3.3 V @ ~4 A, 5.1 V @ ~13 A, and 24 V @ ~2.8 A.
Q6: Does it provide annunciator power?
Yes — it offers 240 V AC/DC at 50 mA resistive for annunciator use.
Q7: Is isolation provided?
Yes — it has reinforced insulation with ~250 V continuous isolation between inputs and backplane.
Q8: What are its dimensions and weight?
The module is approximately 175 mm × 145 mm × 137 mm and weighs about 1.45 kg.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
