HB436A/HB439A intelligent three-phase ammeter
1、 Characteristics
HB436A/HB439A intelligent three-phase ammeter simultaneously inputs three-phase current, and displays three-phase current values in three rows simultaneously. According to the equipped current transformer, the range display can be set arbitrarily, and the upper and lower limits of the two relays are alarmed. The alarm range can be set arbitrarily
2、 Technical parameters
1. Working power supply: AC/DC85-260V (other voltages can be customized)
2. Input range: AC0-5A
3. Extended range: 0-9999KA (with current transformer)
4. Response frequency: 50Hz or 60Hz
5. Measurement method: True RMS measurement
6. Maximum overload: 10A for one minute
7. Display range: -1999 to 9999
8. Display resolution: 0.001A
9. Basic error: 0.5% ± 2 words
10. Input impedance: 0.02 Ω
11. Contact capacity: AC220V/3A
12. Display digital tube: 436:3 rows of red 0.56-inch LED
439:3 rows of red 0.8-inch LEDs
13. Working environment: 0-50 ℃; ≤85%RH
3、 Model Description

HB436A/HB439A intelligent three-phase ammeter