Allen-Bradley 1771-OD16: High-Power Isolated AC Output Module for Industrial Control

Key Features

• 16 isolated outputs for robust AC control
• Heavy-duty switching (20A surge capability)
• Wide voltage range (74-138V AC)
• Zero-cross switching reduces electrical stress
• Industrial-grade reliability for harsh environments

Technical Specifications

• Brand: Allen-Bradley | Model: 1771-OD16 | Series: 1771 I/O
• Outputs: 16 isolated channels
• Current: 2A continuous / 20A surge per channel
• Voltage Drop: 5.7V max @ 2A load
• Switching Speed: 8.8ms @ 60Hz
• Power: 13W max module dissipation
• Temp Range: 0°C to 60°C operating
• Cable Length: Up to 1000 ft (304.8m)

Installation Features

• Works with 1771-A1B to -A4B chassis
• 14 AWG wire capacity for easy wiring
• Pre-installed 3A slow-blow fuses
• Keyed connectors prevent miswiring

Protection & Reliability

• Surge withstand: 20A for 100ms
• Low leakage current (3mA max)
• Zero-cross switching extends contact life
• Industrial temperature and humidity rating

Warranty & Shipping

• 12-month warranty
• Worldwide delivery: FedEx, UPS, DHL
• Package includes: 1771-OD16 module

Industrial Applications

• Industrial lighting control
• AC motor starters
• Heater control systems
• Solenoid valve banks
• Process control equipment

Technical FAQs

• Q: Can it handle motor inrush currents?
  A: Yes, 20A surge capability handles startups
• Q: What's the benefit of zero-cross switching?
  A: Reduces electrical noise and contact wear
• Q: Are replacement fuses included?
  A: Optional 1771-FF fuse kit available
• Q: Can outputs be paralleled for more current?
  A: Yes, up to 8A total module current
• Q: Is it suitable for outdoor use?
  A: Designed for indoor industrial environments