Allen-Bradley | 1746-OW16 SLC 500 16-point Relay Output Module

Allen-Bradley 1746-OW16 SLC 500 Relay Output Module

The Allen-Bradley 1746-OW16 delivers exceptional flexibility with sixteen relay output channels handling both AC and DC voltages. This versatile module eliminates the need for interposing relays in mixed voltage applications.

Technical Specifications & Features

• Brand: Allen-Bradley | Rockwell Automation
• Model: 1746-OW16
• Output Type: 16 Form A (N.O.) Relay Contacts
• Voltage Range: 5-265V AC / 5-125V DC
• Contact Rating: 2.0A @ 30VDC / 1.5A @ 120VAC
• Max Switching: 0.75A @ 240VAC / 0.22A @ 125VDC
• Response Time: 10ms ON/OFF (resistive load)
• Backplane Current: 0.17A @ 5VDC / 0.18A @ 24VDC
• Groups: 2 isolated groups (8 points per common)
• Thermal Dissipation: 5.7W maximum
• Isolation: 1500V AC between field and logic
• Operating Temperature: 0 to 60°C (32 to 140°F)
• Connection: Removable terminal block
• Contact Life: 100,000 operations at rated load

Installation & Wiring

• Single slot installation in SLC 500 chassis
• Accepts wire sizes from 18-14 AWG
• External surge suppression recommended for each channel
• Secure connections using provided sliding latches
• Maintain minimum load current of 10mA @ 5VDC
• Avoid exposure to chemicals that may degrade seals

Comparison With Related Products

• Compared to 1746-OB16 DC Output: Relay vs solid-state technology
• Compared to 1746-OB16E: Mixed voltage capability advantage
• The 1746-OW16 offers unique voltage flexibility

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