Allen Bradley 1756-PA75 Power Supply

The AB 1756-PA75 is a high-efficiency AC power supply module designed for use within the ControlLogix chassis. It accepts a wide input voltage range from 85 to 265V AC and delivers regulated backplane power to support standard and high-performance ControlLogix system modules.

With a 75W output capacity and multiple voltage rails including 5V at 13A, the 1756-PA75 provides reliable operation for demanding industrial automation applications.

Technical Specifications

Model: 1756PA75
Series: ControlLogix
Type: Chassis Power Supply
Form Factor: Slot-based for 1756 chassis
Power Output Rating: 75 W
Input Voltage Range: 85…265V AC
Input Frequency: 47…63 Hz
Mounting Type: ControlLogix chassis (left-most slot)
Redundancy Support: No (standard single supply configuration)

Electrical Specifications

Output at 1.2V DC: 1.5 A
Output at 3.3V DC: 4 A
Output at 5V DC: 13 A
Output at 24V DC: 2.8 A
Power Dissipation: Approx. 7.5 W
Inrush Current: <30 A (typical)
Input Protection: Internal fuse, non-user serviceable
Backplane Current Draw: Supplies all current required for modules in chassis

Network & Interface Specifications

Communication Ports: None (power-only module)
Backplane Interface: Standard ControlLogix chassis interface
Protocol Support:
❌ EtherNet/IP
❌ Modbus
❌ DeviceNet
❌ PROFIBUS
❌ TCP/IP
✅ Supports all protocols indirectly by powering communication modules

Mechanical Specifications

Enclosure Type: Open-style, for chassis installation
Width: 112 mm
Height: 140 mm
Depth: 145 mm
Mounting Orientation: Vertical in chassis slot
Weight: Approx. 0.8 kg
Cooling Method: Natural convection

Environmental Specifications

Operating Temperature: 0…60 °C
Storage Temperature: –40…85 °C
Relative Humidity: 5% to 95% non-condensing
Shock Rating: 30 g
Vibration Resistance: 2 g, 10–500 Hz
Pollution Degree: 2
Protection Class: IP20 (when installed in chassis)
Application Suitability: Control panel or cabinet environments

Compliance & Certifications

Certifications: CE, c-UL-us, ATEX, RoHS
Standards Met: EN 61010, UL 508, EN 61131-2
Use with: All ControlLogix controllers and I/O modules

Key Features & Benefits

✅ Wide AC Input Range – Compatible with both 110V and 220V industrial AC supplies

✅ Multiple Voltage Rails – Delivers 1.2V, 3.3V, 5V, and 24V outputs to power complex ControlLogix systems

✅ High Backplane Current – Supplies up to 13A @ 5V for dense I/O and processor configurations

✅ Compact Slot Design – Installs directly into the ControlLogix chassis, no additional DIN mounting required

✅ Industrial Grade Reliability – Designed for 24/7 operation in mission-critical automation environments

📦 Order the Allen Bradley 1756-PA75 from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1756-PA75 prices. This robust ControlLogix AC power supply is ideal for powering your automation chassis reliably—available now for fast UK dispatch.

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