Allen-Bradley | ControlLogix DC Output Module 1756-OB32K

Allen-Bradley 1756-OB32K – High-Density 32-Channel DC Output Module

Powerful Control for Multiple Devices

The 1756-OB32K provides 32 DC outputs in a single slot. Works with 10-31.2V DC systems. Perfect for controlling large numbers of valves, relays, and indicators.

Key Features

• 32 outputs in compact design
• Wide voltage range: 10-31.2V DC
• High capacity: 0.5A per point at 50°C
• Efficient power use: 300mA at 5V backplane
• Works with 1756-TBCH/TBS6H terminals

Technical Specifications

• Brand: Allen-Bradley
• Model: 1756-OB32K (Full suffix: 1756-OB32K/A)
• Current Rating: 0.35A per point at 60°C
• Module Current: 10A total at 60°C
• Surge Capacity: 1A for 100ms
• Response Time: <5ms switching
• Wire Size: 22-14 AWG recommended
• Temp Range: 0°C to 60°C

Easy Installation

• Fits all 1756 ControlLogix chassis
• Standard 36-pin connection
• Supports both local and remote I/O

Our Guarantee

• 12-month product warranty
• Fast worldwide shipping via FedEx, UPS, DHL

Technical FAQ

• Q: How many devices can I control?
  A: Up to 32 devices (one per output).
• Q: Can I mix 12V and 24V on this module?
  A: No – all outputs share common voltage.
• Q: What’s the minimum load required?
  A: Works with loads as small as 10mA.
• Q: Does it need external fuses?
  A: Recommended for circuit protection.
• Q: How many modules fit in one chassis?
  A: Depends on power supply capacity.

Need wiring diagrams? Download the 1756-OB32K manual here.