Allen-Bradley 1756-PA75RK ControlLogix Redundant AC Power Supply

Allen-Bradley 1756-PA75RK ControlLogix Redundant AC Power Supply

Technical Specifications

• Brand & Manufacturer: Allen-Bradley.
• Model & Series: 1756-PA75RK, part of the ControlLogix Series B.
• Module Type: Redundant AC Power Supply Module for panel mounting.
• Nominal Input Voltage: 120 to 220 Volts AC.
• Voltage Range: Wide operational range from 85 to 265 Volts AC.
• Input Frequency: Compatible with 47 to 63 Hertz power systems.
• Power Ratings: 115 Watt maximum input with 75 Watt output at 60°C.
• Isolation Voltage: 250 Volts continuous isolation for safety.
• Temperature Range: Operates from 32°F to 140°F (0°C to 60°C).
• Physical Dimensions: Panel-mount size of 6.9 x 5.7 x 5.4 inches.
• Module Weight: Weighs 3.2 pounds (1.45 kilograms) for secure mounting.
• Mounting Style: Designed for panel-mounted installation in systems.

Redundant System Features

• Load Sharing: Automatically shares loads between multiple power supplies.
• Fault Resolution: Engineered specifically to resolve power supply operational faults.
• Status Monitoring: Features status indicators for real-time operational monitoring.
• System Recognition: Includes system recognition relay for supply status monitoring.
• High Availability: Provides continuous operation through redundant design.
• Automatic Operation: Series B chassis enables automated load management.

Wiring & Connection Details

• Conductor Wire: Use Category 1, 2.5 mm² (14 AWG) copper wire.
• Wire Temperature: All wires rated for 90°C (194°F) minimum.
• Insulation Thickness: Maximum insulation of 1.2 mm (0.047 inches).
• Annunciator Wire: Category 3 wire from 0.25 to 2.5 mm² (22-14 AWG).
• Screw Torque: Tighten conductor screws to 0.79 N·m (7 lb·in).
• Annunciator Rating: Not rated for pilot duty applications.
• Wire Type: Solid or stranded copper wire acceptable.

Environmental & Compliance

• Temperature Tolerance: Withstands up to 60°C (140°F) without derating.
• EMC Classification: Class 1, Class A Appliance per IEC/CISPR 11.
• Electromagnetic Compatibility: Note that radiation may affect compatibility.
• Durability: Highly durable construction for industrial environments.
• Enclosure Type: Open-style module requiring proper external enclosure.
• Application Use: Designed for industrial automation power systems.

Frequently Asked Questions

• Q: What makes the 1756-PA75RK a redundant power supply?
  A: The 1756-PA75RK features load-sharing and automatic fault resolution for redundant operation.
• Q: What is the input voltage range for this module?
  A: It accepts 85-265V AC input with 120-220V AC nominal voltage.
• Q: How is this power supply mounted?
  A: This is a panel-mounted module measuring 6.9 x 5.7 x 5.4 inches.
• Q: Do you stock genuine 1756-PA75RK modules?
  A: Yes, we supply only brand new, original Allen-Bradley 1756-PA75RK units.
• Q: What is your shipping policy for this item?
  A: Orders ship within 5 days via DHL, FedEx, or UPS with global delivery.
• Q: What is your return policy for power supplies?
  A: We offer a 30-day return window for unused items in original packaging.

Contact Information Inquiries: sales@nex-auto.com , +86 153 9242 9628

Partner NexAuto Technology Limited : https://www.nex-auto.com/