Allen-Bradley 1756-PB75R Redundant Power Supply

Allen-Bradley 1756-PB75R ControlLogix Redundant Power Supply 24VDC 

Technical Specifications

• Brand: Allen-Bradley | Model: 1756-PB75R
• Input Voltage: 18-32V DC with 24V DC nominal rating
• Output Power: 75 Watts maximum at 60°C operating temperature
• Output Current: 13A at 5.1V, 4A at 3.3V, 2.8A at 24V DC
• Input Power: 110 Watts maximum consumption
• Hold-up Time: 20 milliseconds for stable operation
• Inrush Current: 30A maximum surge capacity
• Isolation: 250V continuous, tested at 3250V DC for 60 seconds

Installation & Redundancy Features

• Panel-mounted design for secure installation
• Connects using 1756-CPR2 cable to 1756-PSCA2 adapter
• Automatic chassis load sharing between power supplies
• Hot-standby operation with automatic failover
• Status indicator for visual operation monitoring
• Compatible with Series B ControlLogix chassis
• Auto-sensing voltage input connections

Compatibility & Wiring

• Works with 1756-A4, A7, A10, A13, A17 chassis
• Wire size: 2.5 mm² or 14 AWG copper wire required
• Wire insulation: 90°C minimum rating with 1.2mm thickness
• Use with 1756-PSCA2 chassis adapter for redundant systems
• Designed for hazardous location applications
• ATEX/IECEx certified with 90V DC annunciator power

Environmental Ratings

• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to 85°C wide range
• Relative Humidity: 5% to 95% non-condensing
• Vibration: 2g at 10-500 Hz frequency range
• Operating Shock: 30g withstand capability
• Non-operating Shock: 50g maximum rating

FAQ

Q: What is the main advantage of the PB75R model?
A: It provides redundant power supply operation with automatic failover capability.

Q: What cable is needed for connection?
A: Use the 1756-CPR2 cable to connect to the 1756-PSCA2 chassis adapter.

Q: What input voltage range does it support?
A: It operates on 18-32V DC with 24V DC as the nominal voltage.

Q: Can I replace a power supply while system is running?
A: Yes, it supports replacement while operating in non-redundant mode.

Q: What is the hold-up time duration?
A: It provides 20 milliseconds of hold-up time for stable operation.

Q: Is this a genuine Allen-Bradley product?
A: Yes, we supply only new, authentic Allen-Bradley power supplies.

Q: What is your shipping time?
A: We ship within 5 business days via DHL, FedEx, or UPS carriers.

Contact: sales@nex-auto.com