Allen-Bradley 1771-OBD Series C – High-Power DC Output Module

Precision Control for Heavy Loads

The 1771-OBD Series C powers up to 16 devices at 2A each. Built tough for factories with 1500V isolation and 60°C operation.

Why Engineers Choose This Module

• Instant response – switches in just 1ms
• Handles surges – 4A pulses every 2 seconds
• No leaks – under 0.5mA when off
• Easy wiring – fits 14-gauge cables
• 1-year guarantee – reliable performance

Technical Highlights

• Model: 1771-OBD Series C
• Voltage Range: 10-60V DC
• Current Per Output: 2A (4A surge)
• Isolation: 1500V AC protection
• Certifications: CSA, CE, Class I Div 2
• Heat Output: 47.8 BTU/hr max
• Works In: -40°F to 185°F storage

Shipping Options

• FedEx Priority Overnight
• UPS 3-Day Select
• DHL Express Worldwide

Common Questions

• Q: Can I mix voltages on one 1771-OBD?
  A: No – all outputs share same voltage.
• Q: What happens if I exceed 2A?
  A: Built-in 10A fuse protects module.
• Q: Does it need cooling fans?
  A: No – designed for natural convection.
• Q: How many modules per chassis?
  A: Depends on chassis size (max 30 slots).
• Q: Is terminal block included?
  A: No – order 1492-W4 separately.

Pro Tip: Pair with 1771-WIF wiring arm for easiest installation.