Products Description




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

Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Allen‑Bradley 1756‑PB72 ControlLogix Power Supply |
| Module Type | AC power supply for ControlLogix chassis |
| Series | ControlLogix 1756 I/O family |
| Input Voltage Range | 85 – 265 VAC, 47 – 63 Hz |
| Nominal Input Voltage | 120/240 VAC |
| Input Current (Max) | ~9 A @ 120 VAC |
| Output Voltage | 24 V DC (backplane rail) |
| Output Current | 7.2 A |
| Output Power | ~172.8 W |
| Backplane Rails Provided | 1.2 V, 3.3 V, 5.1 V, 24 V DC |
| Hold‑Up Time | ~10 ms @ full load |
| Protections | Overload, overvoltage, short‑circuit protection |
| LED Indicators | Power OK / Fault |
| Mounting | Installed in ControlLogix chassis left‑side power slot |
| Operating Temperature Range | 0 °C to 60 °C |
| Storage Temperature Range | –40 °C to 85 °C |
| Relative Humidity (Non‑condensing) | 5 % to 95 % |
| Isolation Voltage | ~250 V continuous (input‑to‑output/backplane) |
| Connection Type | Chassis backplane connection |
| Dimensions (H × W × D) | ~178 mm × 79 mm × 158 mm |
| Weight | ~1.5 kg |
FAQ
FAQ
Q1: What is the 1756‑PB72 used for?
It supplies DC backplane power to ControlLogix chassis and modules.
Q2: What AC input range does it support?
It accepts a wide AC range from 85 VAC to 265 VAC at 47–63 Hz.
Q3: How much DC current can it deliver?
It provides up to approximately 7.2 A of 24 V DC output current.
Q4: What is the total output power?
The module’s output power is about 172.8 W.
Q5: What protection features are included?
It has built‑in protection for overloads, overvoltage, and short circuits.
Q6: Does it indicate status?
Yes — LED indicators show power‑OK and fault conditions.
Q7: Where is this power supply installed?
It installs in the dedicated left‑side power slot of a ControlLogix chassis.
Q8: What are the physical size and weight?
It measures about 178 mm × 79 mm × 158 mm and weighs approximately 1.5 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.
