Allen-Bradley 1746-OB32 SLC 500 High-Density DC Output Module
The Allen-Bradley 1746-OB32 delivers thirty-two DC output channels in a compact single-slot design. This high-density module offers exceptional value for space-constrained control panels.
Technical Specifications
- Brand: Allen-Bradley | Rockwell Automation
- Model: 1746-OB32
- Output Channels: 32 DC sourcing outputs
- Voltage Range: 5-50V DC operating range
- Current Rating: 0.5A per point @ 30°C, 0.25A @ 60°C
- Total Module Current: 8A maximum
- Response Time: 0.1ms ON, 1.0ms OFF
- Backplane Current: 190mA @ 5V DC
- Leakage Current: 1mA maximum off-state
- Isolation: 1500V AC for 1 minute
- Heat Dissipation: 6.45W maximum
- Operating Temperature: 0 to 60°C (32 to 140°F)
- Surge Current: 1.0A for 1ms (repeatable every 2s)
- Minimum Load: 1mA per channel
- Connection: Removable terminal block
Installation & Wiring
- Single slot installation in any SLC 500 chassis
- Two groups with sixteen points per common
- Use 16-22 AWG wire for connections
- Recommended wiring: 1746-N3 or 1492 systems
- Ensure proper heat dissipation spacing
- Follow Allen-Bradley installation guidelines
Package Contents
- One 1746-OB32 DC output module
- Removable terminal block
- Installation and user manual
- Octal door label
Shipping Information
- Worldwide shipping available
- Carriers: FedEx, UPS, DHL
- Secure protective packaging
- Tracking provided for all orders
Module Comparison
- Different function than 1746-HSTP1 Stepper Controller
- Different function than 1746-P4 Power Supply
- The 1746-OB32 provides high-density DC output control
Expert FAQ
- How many output groups does it have? Two isolated groups of sixteen points
- What is the maximum current per point? 0.5A at 30°C, derating to 0.25A at 60°C
- What voltage range does it support? 5-50V DC operating range
- Does it include electronic protection? No, recommend external protection
- What is the minimum load requirement? 1mA per channel for proper operation
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