Bachmann GM260 Grid Measurement Module

Description

The GM260 module enables safe, reliable, and fast measurement of critical grid variables. It is ideal for applications such as operational monitoring on machines or energy management in plants and buildings. The module calculates True RMS values, including harmonics up to the 40th harmonic, ensuring accurate data even in distorted waveforms.

Specifications

• Voltage Measurement:

  • Maximum Rated Voltage: UL-L, RMS: 480 Vrms; UL-N, RMS: 277 Vrms.

  • Voltage Measuring Range: UL-L, RMS: 70–625 Vrms; UL-N, RMS: 36–361 Vrms.

  • Accuracy: ≤ ±0.1%.

  • Continuous Overload: UL-L, RMS: 680 Vrms; UL-N, RMS: 390 Vrms.

  • Short-Term Overload: UL-L, RMS: 1039 Vrms; UL-N, RMS: 600 Vrms.

  • Input Impedance: >2 MΩ.

• Current Measurement:

  • Number of Channels: 6.

  • Accuracy: ≤ ±0.3%.

  • Current Measuring Range: 0.01–1.2 Arms.

  • Continuous Overload: 1.2 Arms.

  • Short-Term Overload: 20 Arms.

• Frequency Measurement:

  • Rated Frequency: 50/60 Hz.

  • Reference Range: 45–65 Hz.

  • Accuracy: ≤ ±0.010 Hz.

• Power Measurement:

  • Measured Values: Active, reactive, and apparent power per phase and total.

  • Accuracy: ≤ ±0.4%.

• Energy Counters:

  • Two independent 4-quadrant energy counters.

• Environmental Conditions:

  • Operating Temperature: -40°C to +70°C.

  • Storage Temperature: -40°C to +85°C.

Features

• True RMS Calculation: Provides accurate measurements even in distorted waveforms.

• Multi-Phase Monitoring: Supports two separate three-phase branches.

• Integrated Energy Counters: Enables real-time energy consumption tracking.

• Compact Design: Space-efficient for control cabinets.

• High Reliability: Built for continuous industrial operations.