Allen-Bradley 1771-A4B Industrial Chassis - Powerful 16-Slot Backplane for Tough Factories

Built for Demanding Workplaces

The 1771-A4B gives your machines a strong backbone. This 16-slot chassis handles heavy use in loud, hot factories. It powers up to 24 amps for many modules at once.

Key Benefits

• 16 slots - More space than most chassis
• 24A power - Runs many modules without issues
• Shock-proof - Works after 15g hits (like forklift bumps)
• All-weather - Works from freezing cold to hot (0-60°C)
• Easy to mount - Fits panels or racks fast

Technical Power

• Size: 24" x 12.4" x 7.6" (fits tight spaces)
• Weight: Just 16 lbs - light for its size
• Noise protection: Passes CISPR 11 Group 1 tests
• Static proof: Handles 4KV shocks (IEC 61000-4-2)
• Radio waves: 10V/m protection (IEC 61000-4-3)

Works Where Others Fail

• Works in -40°C to 85°C storage
• Handles 95% wet air without rust
• Shakes 2g vibration all day (10-500Hz)

What's in the Box?

• 1771-A4B chassis
• Mount screws
• Paper guide

Peace of Mind

• 1-year fix guarantee
• World shipping (FedEx/UPS/DHL)
• CE/UL safe

Smart Questions

• Q: How many modules fit?
  A: Up to 16 standard I/O modules.
• Q: Will radio noise break it?
  A: No - tested at 10V/m protection.
• Q: Can I use old modules?
  A: Yes - works with most 1771 parts.
• Q: How hot before problems?
  A: Works fine up to 140°F (60°C).
• Q: What if shipping breaks it?
  A: We replace it free - just take photos.