Allen Bradley 1788-FBJB6 Fieldbus Junction Box

Description

The Allen-Bradley 1788-FBJB6 is a Fieldbus 6-Way Junction Box designed to simplify wiring and enhance fault tolerance in FOUNDATION Fieldbus and Profibus PA networks. It enables reliable communication between control systems and multiple field devices, making it ideal for distributed industrial automation environments.

Specifications

• Model: 1788-FBJB6 Fieldbus Junction Box
• Supported Networks: FOUNDATION Fieldbus (H1), Profibus PA
• Ports: 1 trunk input, 1 trunk output, 6 drop-line connections
• Operating Voltage: 12–32 V DC
• Power Consumption: 40 mA @ 24 V DC
• Current Monitoring: Individual drop-line current protection
• Enclosure Rating: IP20
• Temperature Range: 0°C to 50°C (32°F to 122°F)
• Mounting Type: DIN rail or panel mount
• Dimensions: Approx. 11.12 × 14.3 × 2.17 inches
• Weight: 0.8 kg
• Certifications: CE, UL, RoHS (varies by region)

Features

• Fault-Tolerant Design: Isolates faulty drop-lines without affecting other devices
• LED Diagnostics: Visual indicators for current status and fault detection
• Auto Reset Options: DIP switch configurable reset intervals (5 min, 1 hr, 12 hrs)
• Safe Current Limiting: Protects network integrity during over-current events
• Compact & Lightweight: Easy to install in space-constrained control panels
• Flexible Integration: Compatible with a wide range of field devices and control systems
• Durable Build: Industrial-grade materials for long-term reliability
• User-Friendly Setup: Simple wiring and configuration for quick deployment