Chapter 2 Specifications 2-1 To; General Specifications - Hitachi EHV+ Series Applications Manual

Chapter 2 Specifications
2.1

General Specifications

Items
Input Power AC
voltage DC
Power voltage fluctuation range
Allowable instantaneous power
failure
Operational temperature
Storage temperature
Operational humidity
Storage humidity
Vibration resistance
Noise resistance
Insulation resistance
Dielectric withstand voltage
Ground
Usage environment
Structure
Cooling
100/110/120V AC (50/60 Hz), 200/220/240V AC (50/60 Hz)
85 to 100 V AC: when instantaneous power failure of less than 10 ms, operation continues
100 to 264 V AC: when instantaneous power failure of less than 20 ms, operation continues
○ Noise voltage 1,500 Vpp, Noise pulse width 100 ns, 1μs (Noise input by a noise
simulator across input terminals of a power module according to measuring method of
Hitachi-IES.
○ Based on IEC 61131-2 (not applied for input modules)
○ Static noise 3,000 V at electrode part
20 MΩ minimum between AC terminal and frame ground (FE) terminal
1,500V AC for 1 minute between AC input terminal and frame ground (FE) terminal
Class D grounding (grounding with the power supply module)
No corrosive gases, no excessive dust
2 – 1
Specifications
24 V DC
85 to 264V AC
21.6 to 26.4V DC
0 to 55 °C
－10 to 75 °C
20 to 90 % RH (no condensation)
10 to 90 % RH (no condensation)
Conforms to IEC 60068-2-6
(based on 500 V DC megger)
Open wall-mount type
Natural air cooling