Allen-Bradley 1771-OBN/B DC Output Module – High-Density 32-Channel Control Solution

Why This Module Stands Out

• 32 output channels (4 groups of 8) for maximum control
• 0.5A per channel (2A per group) power capacity
• Ultra-fast switching (0.5ms on/off response)
• 1500V isolation for safety in harsh conditions
• Works with 1771-A1B to A4B chassis

Technical Highlights

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 1771-OBN/B (Series B)
• Voltage Range: 10-30V DC
• Surge Capacity: 4A for 10ms (repeatable)
• Leakage Current: <1mA per channel
• Certifications: CSA, UL, CE, Class I Div 2
• Wire Size: Up to 14 AWG (2mm²)
• Weight: Just 0.7kg (1.5lbs)

Built for Tough Jobs

• Handles -40°C to 85°C storage temps
• Works in 95% humidity (non-condensing)
• Survives 2G vibration (10-500Hz)
• Protected by four 4A fuses

Warranty & Shipping

• 12-month manufacturer warranty
• Express shipping via FedEx, UPS, DHL
• In stock for next-day dispatch

Installation Features

• Uses 1771-WN wiring arm (sold separately)
• Simple DIN rail mounting
• Clear LED status indicators

Expert FAQs

• Can it handle PWM signals?
  No, designed for steady-state DC only
• Replacement for Series A?
  Yes, fully backward compatible
• Maximum wire length?
  100m (328ft) with proper shielding
• Parallel outputs for more current?
  Yes, up to 4 channels can be combined
• Indicator lights per channel?
  Group indicators only (4 total)

Package Contents

• 1771-OBN/B output module
• Installation guide
• Certification documents

Upgrade your control system with the reliable 1771-OBN/B today!