Allen-Bradley 1771-OB/C DC Output Module – Industrial-Grade PLC Control Solution

Product Overview

The Allen-Bradley 1771-OB/C is a rugged DC output module designed for industrial automation. With 8 high-current outputs, it delivers reliable performance for your PLC control systems.

Key Features

• 8 isolated outputs (1.5A each, 8A total)
• Wide voltage range (10-27V DC)
• Fast response (10ms switching)
• 1500V isolation for safety
• Industrial durability (-40°C to 85°C operation)

Technical Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 1771-OB Series C
• Output Type: DC
• Output Current: 1.5A per point (4A surge)
• Voltage Range: 10-27V DC
• Isolation: 1500V AC
• Dimensions: 3.8" x 2.3" x 0.7" (97x58x18mm)
• Weight: 0.15 lbs (0.07kg)
• Certifications: UL, CSA, CE

Installation Details

• Compatible with 1771 I/O chassis
• Recommended wiring: 14 AWG (2mm²)
• Torque specification: 9 inch-pounds
• Includes 1771-WA wiring arm

Shipping & Support

• Fast worldwide shipping via FedEx, UPS, DHL
• 12-month manufacturer warranty
• Professional technical support available

Frequently Asked Questions

• Q: What's the maximum load per output?
  A: 1.5A continuous, 4A surge (1ms)
• Q: Can I use this for LED lighting?
  A: Yes, ideal for industrial LED applications
• Q: Is this module expandable?
  A: Yes, supports multiple modules in chassis
• Q: What's the expected lifespan?
  A: 10+ years with proper installation
• Q: Does it require special cooling?
  A: No, designed for natural convection cooling

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