Allen-Bradley 1771-IM – Universal AC/DC Input Solution

High-Voltage Input Monitoring

The 1771-IM safely reads 8 signals up to 276V. Perfect for global equipment with dual AC/DC capability and fast response.

Why Choose This Module

• Wide voltage range - 184-276V AC/DC
• Quick detection - responds in 10-90ms
• Strong isolation - 1500V protection
• Energy efficient - uses only 3.5mA
• 12-month coverage - Rockwell reliability

Key Specifications

• Model: 1771-IM
• Inputs: 8 channels
• Voltage: 184-276V AC/DC
• Response: 10ms ON (DC), 90ms OFF (DC)
• Isolation: 1500V AC
• Current: 3.5mA per input
• Temp Range: 0-60°C (32-140°F)

Global Shipping

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Expert Answers

• Q: Can I mix AC and DC signals?
  A: No - configure entire module for AC or DC
• Q: What's the minimum activation voltage?
  A: 184V AC or DC to turn on
• Q: How many modules per chassis?
  A: Limited by chassis size and power
• Q: Special tools needed?
  A: Only screwdriver for 1771-WA arm
• Q: Waterproof for outdoor use?
  A: No - indoor/dry locations only

Tip: Use 14-gauge stranded wire for best performance.