Products Description
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Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Allen-Bradley 1756-PB75K |
| Product Type | ControlLogix DC Power Supply Module |
| Manufacturer | Rockwell Automation / Allen-Bradley |
| Series | ControlLogix 1756 |
| Input Voltage | 18–32 V DC (nominal 24 V DC) |
| Input Power | Approx. 95 W |
| Output Power | Max. 75 W |
| Backplane Output | 5V DC @ 13A, 3.3V DC @ 4A, 1.2V DC @ 1.5A, 24V DC @ 2.8A |
| Inrush Current | Approx. 30 A |
| Hold-up Time | ~40 ms (at 24 V DC) |
| Redundancy Support | No |
| Mounting Type | ControlLogix chassis mount |
| Chassis Compatibility | 1756 series chassis (A4, A7, A10, A13, A17) |
| Isolation Voltage | Reinforced insulation (input to backplane) |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5% to 95% non-condensing |
| Enclosure Type | Open-style module |
| Cooling Method | Natural convection (chassis airflow) |
| Dimensions | Approx. 145 × 140 × 112 mm |
| Weight | Approx. 0.95–1.1 kg |
| Certifications | CE, UL, CSA, KC, RCM |
FAQ
FAQ
Q1: What is the 1756-PB75K used for?
The 1756-PB75K is a ControlLogix DC power supply module that provides regulated backplane power for ControlLogix chassis systems.
Q2: What input power does it require?
It operates on a 24 V DC nominal input range of 18–32 V DC.
Q3: What is the output capacity of this module?
It delivers up to 75 W of total output power to the chassis backplane.
Q4: Which voltages does it supply to the system?
It supplies multiple regulated rails including 5V DC, 3.3V DC, 1.2V DC, and 24V DC for system operation.
Q5: Is the 1756-PB75K redundant?
No, this model does not support redundant power configurations.
Q6: What chassis is compatible with this power supply?
It is compatible with standard ControlLogix 1756 chassis such as 1756-A4 through 1756-A17.
Q7: What is the typical application of this module?
It is used in industrial automation systems to power ControlLogix PLC processors, I/O modules, and communication modules.
Q8: Can it be used in harsh environments?
Yes, it is designed for industrial environments, but it must be installed inside a ControlLogix chassis and control cabinet.
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.
