GE 3720 ACM Electronic Power Meter

The GE 3720 ACM is a high-performance electronic power meter designed by General Electric (GE), primarily used for monitoring electrical usage in industrial settings. This device measures key electrical parameters, including voltage, current, power, and energy, providing vital data for managing power consumption and system performance. It is commonly found in industrial control systems and automation setups.

Key Features of the GE 3720 ACM:

Functionality: The GE measures electrical parameters such as voltage, current, power, and energy.
Manufacturer: Designed by General Electric (GE) and often associated with Power Measurement Limited (PML).
Installation Requirements: Proper installation is critical, including adherence to torque specifications and FCC regulations when a modem is used.
Common Applications: Widely used in industrial automation and control systems, often as a replacement or spare part in legacy setups.
Model Variants: Available in specific versions like 3720-ACM and 3720-ACM-Option 277V/1A.

Technical Specifications:

Parameter	Details
Manufacturer	General Electric (GE)
Model Number	3720 ACM
Function	Measures voltage, current, power, and energy
Power Supply	120-277V AC
Input Voltage	120-277V AC
Current Measurement Range	0-10A (with optional shunts)
Energy Accuracy	±0.5% typical (for power and energy measurements)
Communication Interface	Modbus, Serial, or optional Ethernet via a modem
Dimensions	7.5” (W) x 5.25” (H) x 3” (D)
Weight	1.5 lbs (0.68 kg)
Mounting	Panel mount, DIN rail compatible
Temperature Range	0°C to 60°C (32°F to 140°F)
Compliance	FCC regulations for modems, UL listed
Warranty	1-year limited warranty

Description:

The GE is an essential tool for industries that require precise power measurement. It is capable of monitoring various electrical parameters, including voltage, current, power, and energy, making it ideal for applications in industrial control and automation systems.

This device is especially useful in GE Fanuc PLC systems, where it can be integrated to help automate the monitoring and control of electrical usage. The provides high-accuracy measurements with an energy accuracy of ±0.5%, ensuring precise data for power optimization.

When installing the GE 3720 ACM, it is crucial to follow proper installation guidelines and torque specifications to guarantee reliable performance. If the meter includes a modem, users must also comply with FCC regulations for communication.

While commonly found as a replacement part in older systems, this device is still a reliable choice for users seeking to upgrade their power measurement systems. The GE 3720 ACM is available in different models, including the and the 3720-ACM-Option 277V/1A, each catering to specific voltage and current requirements.

Applications:

Industrial Automation: Monitor electrical parameters for optimized energy management.
Power Monitoring: Ideal for use in electrical substations and power distribution systems.
GE Fanuc PLC Systems: Can be integrated into legacy GE Fanuc PLC systems for real-time power data acquisition.