Overview
The Westinghouse 2D78533 is a door-mounted operator interface panel from the IQ Data line of electrical metering and protection devices. This Westinghouse 2D78533 unit provides a means to monitor and display critical electrical parameters in real-time, making it essential for power quality monitoring and system diagnostics in industrial control cabinets.
Key Features
- Door-mounted design for easy access and visibility
- LED display windows for voltage, current, and metering information
- DIP switches for application-specific configuration and customization
- Supports direct voltage connection and external current transformer inputs
- Compatible with both single and three-phase monitoring applications
- Compact form factor for standard control panel installations
Technical Specifications
- Input voltage: Up to 600 volts AC
- Current transformers: External CT inputs with 5-amp secondaries
- Display type: LED indicators for voltage (V), current (A), and status
- Control power: Variable, selectable via DIP switches
- Terminal connections: AWG No. 14 maximum wire gauge
- Mounting: Single-thickness panel installation with provided fasteners
- Operating environment: Indoor industrial control applications
Typical Applications
- Electrical power monitoring in manufacturing facilities
- Real-time metering in switchgear and motor control centers
- Phase voltage and current display in multi-phase systems
- Retrofit installations in legacy automation equipment
- Power distribution panel monitoring and diagnostics
- System protection and alarm indication
Compatibility & Replacements
Compatible With
- Westinghouse electrical control panels and switchgear
- Three-phase and single-phase power monitoring systems
- External current transformer (CT) inputs with 5-amp secondaries
- Line voltages up to 600 VAC
- Standard industrial control cabinet door installations
Replaces / Drop-In Replacement For
- Earlier Westinghouse IQ Data operator panels with identical mounting footprint
- Other Westinghouse 2D78533 units requiring reconditioned replacements
- Legacy metering display systems requiring electrical parameter monitoring
Works With
- Westinghouse electrical protection relays and control circuits
- Cutler-Hammer compatible metering systems
- Standard three-phase power distribution configurations
- DIP switch-configurable monitoring parameters
- External power supply modules (optional 3-phase configuration)
