Overview
The Eaton 8171B-6501 is a high power photoelectric control unit engineered for demanding industrial sensing and automation tasks. As part of the proven 70 Series/Blue Box platform, this self-powered control module operates at 90–132 VAC RMS and delivers reliable switching capability for high-power loads in manufacturing, packaging, material handling, and process control environments.
Key Features
- Self-powered operation at 90–132 VAC RMS input voltage
- High power AC switching capability for industrial loads
- Modular 70 Series design compatible with multiple sensor head types
- Robust 70 Series/Blue Box construction for enclosure or field mounting
- Sensor head cable reach up to 1000 feet for flexible deployment
- Support for thru-beam, reflex, diffuse, fiber-optic, and slot sensor modes
Technical Specifications
- Input Voltage: 90–132 VAC RMS
- Power Consumption: 12 VA maximum
- Output Type: High power AC switching
- Series: 70 Series / Blue Box
- Sensor Connection: Remote cable up to 1000 feet
- Mounting: Enclosure or DIN rail compatible
- Minimum Mount Spacing: 2 inches (to avoid crosstalk)
- Certifications: UL Listed, CSA Certified
- Rise Time: 20 mS (10–90% of signal range)
Typical Applications
The 8171B-6501 is commonly deployed in:
- Automated packaging and labeling lines
- Material handling and conveyor systems
- Manufacturing quality control and inspection gates
- Web loop control with compatible sensor heads
- Part detection and presence verification on production equipment
- High-power solenoid or motor switching in industrial environments
Compatibility & Replacements
Compatible With
- 70 Series photoelectric sensor heads (thru-beam, reflex, diffuse, fiber-optic, curtain-of-light, slot)
- Remote sensor mounting up to 1000 feet from control unit
- All standard 70 Series output devices and logic modules
- DIN rail and enclosure mounting configurations
- Industrial control panel installations requiring 90–132 VAC operation
Replaces / Drop-In Replacement For
- Earlier generation Eaton 70 Series high power control units
- Verify compatibility with your system integrator before ordering
Works With
- 70 Series logic modules (time delay, one-shot, shift register)
- AC load output devices from Eaton’s 70 Series family
- Standard industrial AC power distribution systems (90–132 VAC)
- Field-mounted or centralized control architectures
