Overview
The GE AB40 AC Ammeter 103131LAZZ2 is a classic analog panel meter from General Electric’s established AB40 series. This instrument is designed for direct or transformer-coupled measurement of alternating current in industrial control panels, switchboards, and power distribution systems. The AB40 series delivers reliable current monitoring in demanding industrial environments.
Key Features
- Robust analog meter movement suitable for panel mounting
- AC current measurement with 40–70 Hz frequency rating
- Full-scale accuracy for reliable current readings
- Durable metal construction rated for industrial use
- Compact panel footprint compatible with standard enclosure layouts
Technical Specifications
- Meter Type: AC Ammeter (Current)
- Frequency Rating: 40–70 Hz
- Mounting Style: Panel-mount (flush or semi-flush)
- Construction: Metal case, analog movement
- Typical Full-Scale Current: 5A (with transformer coupling)
- Series: AB40
- Condition: Used, fully functional
Typical Applications
The AB40 ammeter is widely deployed in:
- Industrial control panels and motor control centers
- Electrical distribution switchboards
- Machine tool and production equipment monitoring
- Power system testing and commissioning
- Facility maintenance and inspection programs
Compatibility & Replacements
Compatible With
- Standard 1.5-inch and 2-inch panel cutouts
- AC power systems rated 40–70 Hz
- Direct connection or current transformer (CT) secondary circuits
- Industrial control systems and electrical distribution equipment
Replaces / Drop-In Replacement For
The 103131LAZZ2 shares the AB40 platform with related models including 103131LSZZ2, 103131LSSC, 103131LSTM2, and other AB40 variants. Verify your current range and CT ratio match the application before substitution. Consult the equipment nameplate to confirm meter specifications align with system requirements.
Works With
- Current transformer (CT) burden calculations: standard 5A secondary circuits
- Industrial control and monitoring systems
- Standard electrical distribution and switchgear equipment
- Legacy and modern industrial control panels
