Allen Bradley 1756-PB75 Power Supply

The AB 1756-PB75 is a high-efficiency power supply module designed for ControlLogix chassis systems. Operating from a DC input voltage range of 18–32V (nominal 24V DC), this 75-watt power supply delivers robust, regulated power across multiple voltage rails to support controllers, I/O modules, and communication cards within the chassis.

Engineered for high-demand industrial automation environments, the 1756-PB75 provides outputs at 1.2V, 3.3V, 5V, and 24V, making it suitable for a wide variety of ControlLogix configurations. With simple installation, compact design, and reliable output performance, it is ideal for both new systems and field upgrades.

Technical Specifications

Model: 1756PB75
Series: ControlLogix
Type: DC Power Supply Module
Nominal Input Voltage: 24V DC
Input Voltage Range: 18…32V DC
Power Rating: 75 W
Mounting: Chassis-mounted
Redundancy Support: No (non-redundant model)
Form Factor: Fits any ControlLogix chassis slot

Electrical Specifications

Input Voltage Type: DC
Nominal Output Ratings:
• 1.2V DC @ 1.5 A
• 3.3V DC @ 4 A
• 5V DC @ 13 A
• 24V DC @ 2.8 A

Power Supply Efficiency: ≥85% typical
Power Dissipation: Approx. 9–10 W
Hold-up Time: >10 ms at full load
Ripple & Noise: <50 mV (typical)
Isolation Voltage: 30V (continuous), basic insulation
Protection Type: Overvoltage, overcurrent, and thermal shutdown

Network & Interface Specifications

System Integration:

• Backplane Compatibility: Fully compatible with all 1756 ControlLogix chassis
• Communication Support: Not applicable (power-only module)
• Diagnostics: LED status indicators for power OK and fault

Supported Protocols: Not applicable – power supply only

Monitoring Interface: None (non-intelligent module)

Mechanical Specifications

Width: 112 mm
Height: 140 mm
Depth: 145 mm
Mounting Orientation: Vertical, within chassis
Enclosure Type: Open-type module
Weight: Approx. 1.1 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 operating, 50 g non-operating
Vibration Resistance: 2 g @ 10–500 Hz
Pollution Degree: 2
Certifications: Suitable for Class I Div 2 hazardous areas

Compliance & Certifications

Certifications: UL, c-UL, CE, ATEX, RoHS
EMC Compliance: EN 61000-6-2 / 6-4
SIL/PL Rating: Not applicable
Standards Met: EN 61131-2
Safety Applications: General industrial use

Key Features & Benefits

✅ 75W Output Power – Delivers sufficient power for full ControlLogix chassis loading

✅ Multi-Rail Output – Supplies 1.2V, 3.3V, 5V, and 24V from a single module

✅ 24V DC Input – Perfect for DC-powered control cabinets and field installations

✅ Chassis-Mounted Design – Installs easily into existing ControlLogix racks

✅ LED Diagnostics – Instant status indication for power integrity and fault monitoring

📦 Order the Allen Bradley 1756-PB75 from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1756-PB75 prices. This ControlLogix DC power supply provides reliable and efficient voltage for mission-critical automation systems—available to order with expert support and fast delivery options.

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Drive Outlet Megastore – your trusted source for Allen Bradley ControlLogix power supplies and automation system components.