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OPTO 22 G4PB16I Digital I/O Rack

The G4PB16I is a 16-channel I/O mounting rack designed to hold up to 16 G4 digital I/O modules. It features channel-to-channel isolation between all field and control circuits. Output modules can be wired for either positive-true or negative-true control signals from computer I/O ports, while input modules operate with negative-true logic. Modules are easily inserted and removed without disturbing field wiring and are secured with a captive hold-down screw. The rack includes barrier strips with screw terminals for field, control, and power connections. It requires minimal panel space and supports both control logic types, operating from 0°C to 70°C, making it ideal for industrial automation and system monitoring.

Authorized Distributors
Source:Newark
Part No:G4PB16I
Stock:2
Inv Date:06-14-2026
Price: Unit price: $224.72
Buy/RFQ:
Source:DigiKey
Part No:G4PB16I
Stock:1
Inv Date:06-14-2026
Price: Unit price: $231.71
Buy/RFQ:
Part No:G4PB16I
Stock:2
Inv Date:06-15-2026
Price: Unit price: $216.3
Buy/RFQ:
Part No:G4PB16I
Stock:10
Inv Date:06-14-2026
Price: Unit price: $224.72
Buy/RFQ:
Part No:G4PB16I
Stock:16
Inv Date:06-14-2026
Price: Unit price: $208.22
Buy/RFQ:
Part No:G4PB16I
Stock:16
Inv Date:06-14-2026
Price: Unit price: $208.22
Buy/RFQ:
Part No:G4PB16I
Stock:0
Inv Date:06-14-2026
Price: Unit price: $215.6
Buy/RFQ:

OPTO 22 G4PB16I Digital I/O Rack Specifications:

  • Number of channels: 16
  • Module type: G4 digital I/O modules
  • Isolation: Channel-to-channel between circuits
  • Module insertion: Easy, tool-less with captive screw
  • Wiring: Screw terminals for field, control, and power connections
  • Wire gauge: Up to 10 AWG
  • Control logic: Supports positive-true and negative-true output wiring, negative-true input wiring
  • Operating temperature: 0°C to 70°C
  • Humidity: 95% relative humidity, non-condensing
  • Dimensions: 9.00 inches (228 mm) depth, 8.50 inches (215 mm) width
  • Fuse: Onboard spare fuse
  • Power: Supports minimal panel space
  • Certifications: UL recognized, CSA certified, CE approved

Buy the Opto 22 Series G4 Digital I/O Rack: G4PB16I

Purchase the Opto 22 G4PB16I digital I/O rack online today and enhance your industrial automation setup. This 16-channel module rack offers channel isolation, easy module insertion with captive screws, and supports both positive-true and negative-true logic wiring. Designed for minimal panel space, it includes onboard spare fuses and screw terminals for field, control, and power connections. Operating efficiently from 0°C to 70°C, it’s ideal for process control, power management, and system monitoring applications. Buy now for reliable, easy-to-maintain I/O solutions.

Get Opto 22 G4PB16I today—built for reliable digital I/O in industrial automation and system control applications.

Frequently Asked Questions

Where can I buy OPTO 22 G4PB16I?

You can click on the BUY or RFQ button to purchase G4PB16I from an authorized OPTO 22 distributor.

How do I troubleshoot issues or seek technical support for part G4PB16I?

You can download the G4PB16I datasheet or visit the OPTO 22 website for support.

Who is the manufacturer of G4PB16I?

OPTO 22

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