Crompton Instruments 549-DAA DIGITAL AMMETER
Crompton Instruments 549-DAA DIGITAL AMMETER
The 549 Digital Ammeter is designed to accurately measure AC RMS Current
via a Current Transformer . Measurements will be displayed on an integral LCD.
The compact design allows it to be fitted in a standard 17/32" switch knock
out. The product harvests power from the input signal therefore eliminating
the need for a separate power supply.
KEY FEATURES:
- Compact size
- Fits stranded 17/32 knock outs
- No power supply needed
- Programmable CT ratios Benefits
- Simple clamp fixing
- Easy installation or replacement
- Panel space saving Miniature Design
- Brand labeling available Approvals UL / cRU recognized file number E171167 Applications
- Motor control
- Switchgear
- Distribution systems
- Generator sets
- Control panels
- Energy management
- Building management
Specifications:
- Nominal input rating: 5A AC RMS
- Max continuous input overload: 6A AC RMS
- Max short duration input Current: 50A for 1 second
- System CT primary values: 5 to 2000
- Max VA burden: 3 VA
- Frequency: 60Hz +/- 2%
- Maximum Total Harmonic Distortion: 30%
- Maximum Crest Factor: 1.68
- Accuracy: ± 1% of range
- Operating temperature: -10°C to +55°C
- Sealing: IP52 (front panel), IP30 (case) (min)
- EMC, Emissions: FCC Part 15
- Safety: UL 61010-1:2nd edition