Product Details
Overview
The 1756-PA75 is a standard AC power supply from the Allen-Bradley ControlLogix family, engineered to provide consistent and efficient power delivery to chassis and system modules. It supports universal AC input, robust electrical protection, and stable operation across a broad temperature range, making it suitable for diverse industrial automation applications.
Technical Specifications
-
Manufacturer: Allen-Bradley
-
Model / Part Number: 1756-PA75
-
Product Type: Standard AC Power Supply
-
Series: ControlLogix
Electrical Characteristics
-
Input Voltage Range: 85…265V AC
-
Nominal Input Voltage: 120V / 240V AC
-
Input Frequency: 47…63 Hz
-
Maximum Input Power: 100 VA / 100 W
-
Output Power: 75 W (rated for 0…60°C / 32…140°F)
-
Inrush Current: 20 A max
-
Output Regulation: ±3% typical
-
Power Factor: >0.95
Thermal & Environmental Ratings
-
Operating Temperature: 0°C to +60°C (32°F to 140°F)
-
Storage Temperature: -40°C to +85°C (-40°F to +185°F)
-
Enclosure Rating: None (open-style design)
-
Temperature Code: T4 (North America)
-
Relative Humidity: 5% to 95%, non-condensing
Mechanical Details
-
Mounting Type: Chassis mount
-
Weight: 0.95 kg (2.10 lb)
-
Conductor Screw Torque: 0.565 N·m (5 lb-in)
Application Notes
The 1756-PA75 is designed to supply power to a single ControlLogix chassis and its installed modules. It is ideal for use in process control, discrete manufacturing, and high-reliability automation systems. The wide input range and high efficiency make it suitable for global installations requiring stable power performance.
FAQ
Q: What is the rated output power of the 1756-PA75?
A: The module delivers up to 75 W of continuous output power across the 0…60°C operating range.
Q: Does this power supply support universal AC input?
A: Yes, it supports 85…265V AC with automatic selection between 120V and 240V nominal.
Q: Is the 1756-PA75 compatible with all ControlLogix chassis sizes?
A: Yes, it supports all standard ControlLogix chassis models, depending on total load requirements.
Q: Does the module include overcurrent or surge protection?
A: It includes integrated surge suppression and inrush current limiting for enhanced reliability.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Mastering VFD Braking Theory and Mechanical Brake Sequencing in Industrial Automation
In industrial automation, variable frequency drives (VFDs) regulate motor speed and torque across manufacturing plants and material handling systems. However, certain heavy-duty applications experience external loads that can rotate the motor shaft without an active command. For instance, gravity pulls loads downward in unanchored hoisting equipment. Therefore, engineers integrate mechanical brakes with VFD logic to maintain absolute safety and prevent structural damage or personnel injury during shutdowns.
Optimizing Tank Level Control Using Proportional Algorithms in PLC Systems
Industrial automation engineers frequently encounter liquid level regulation challenges across diverse process plants. Traditional ON-OFF control mechanisms often disrupt system stability due to abrupt actuator switching. Therefore, upgrading to closed-loop architectures like proportional control yields smoother responses. In a typical PLC environment, such as Siemens TIA Portal, engineers utilize closed-loop feedback to minimize process errors without requiring full PID complexity.
Understanding Why Your PLC Enters Stop Mode: Causes and Troubleshooting
In industrial automation, programmable logic controllers (PLCs) serve as the core intelligence of modern factory automation and distributed control systems (DCS). Understanding how a PLC transitions between modes is vital for maintenance engineers. Typically, a PLC operates across four primary modes: Run, Stop, Start-Up, and Hold. When power is applied, the system immediately boots into Stop mode before initiating the Start-Up sequence. If the controller encounters a critical error during execution, it automatically reverts to Stop mode to prevent equipment damage. Therefore, monitoring these state transitions helps technicians maintain high system availability.