Voita Electronic Voita Electronic

19" Rack Mount 48v Inverter to 220VAC Inverter 3KVA with RS232&RS485 Interface

Product Description

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Specification
Description
  • True sine wave output (T.H.D < 3%);
  • Large 128*64 digital Lcd display data information, 4 led display working;
  • Standard 19” Rack mount case;
  • 5 Routes Dry contact for system (DC input fault, AC input fault, overload information, by-pass information and output fault)
Function
  • RS232 and RS485 & Optional SNMP communication Port;
  • Power-on self-test, Soft output start;
  • Audible and visual alarm;
  • Record the historical alarm message and can be queried;
  • Real-time monitoring of the system operating status;
Feature
  • Auto switch function: DC to AC, AC bypass, less than 5ms;
  • By-pass AC 220V input filtering;
  • Start auto restart while Ac or Dc is recovering;
  • Automatic start temperature control fan;
  • Build in voltage regulator Stabilize AC voltage;
  • Protection: Short load protection, over load protection, battery over/under voltage protection, over current, over temperature;
  • Unattended operation: the system switches automatically to provide AC Power to the load between the DC input and AC input.
Datasheet
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Technical Specifications Overview
Technical Data Details
Model VT-HF48S220-3KVA
DC INPUT
Rated Input Voltage (Vdc) 48V
Rated Input Current (A) 63A
DC Input Range (Vac) 40-60V
Reflected Noise Current. ≤10%
AC BYPASS INPUT
Bypass Voltage Range (Vac) 270V-170V(±10V)
Rated Input Current (A) 13.6
AC OUTPUT
Capacity (VA) 3KVA
Rated Output Capacity (W) 2400W
Output Voltage and Frequency 220Vac 50Hz/60Hz
Output Current (A) 11
Voltage Accuracy (V) 220±1.5%
Frequency Accuracy (Hz) 50±0.1% or 60±0.1%
Waveform Pure Sine Wave
THD ≤3% (line load)
Dynamic Response Time 5% (load 0←→100%)
Power Factor (PF) 0.8
Overload Capability 100%-120% 60s / 121%-150% 10s
Inverter Efficiency (80% line load) ≥85%
Inverter ←→ Bypass (ms) ≤8ms
WORKING ENVIRONMENT
Dielectric Strength (Input & Output) 1500Vac-10mA, 1 minute
Noise (1m) ≤55dB
Ambient Temp. -20℃~+50℃
Humidity 0~90%, No condensation
Altitude (m) ≤2000
INDICATE
LCD Display Input/output Voltage / Frequency / Output Current / Temp / Capacity Rate etc
Inverter Status Off Grid Status, Inverter Status, Battery Under & Over Voltage, Output Overload
DIMENSION
Standard 19” Rack mount (D×W×H) 482*347*88MM
Package Dimension 562*492*195mm
WEIGHT
N.W 9.00KG
G.W 11.00KG
PROTECTION
Input under Voltage / Input over Voltage / Output Over load / Short circuit
Inverter Measurement Chart
Inverter Operational Chart
Internal Component Architecture
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Frequently Asked Questions (FAQ)
1. What is the total harmonic distortion (T.H.D) of the AC output?
This system features a true sine wave output with a Total Harmonic Distortion (T.H.D) of less than 3% under line load, ensuring stable performance for delicate equipment.
2. What are the key protection features built into this system?
The system features short load protection, overload protection, battery over/under voltage protection, over current protection, and over temperature protection.
3. How fast is the automatic transfer time between DC and AC?
The auto switch function transfers between DC to AC and AC bypass in less than 5ms. The standard inverter to bypass switch time is ≤8ms.
4. Can this unit be installed in standard industrial server racks?
Yes, it features a standard 19-inch rack-mount chassis design with dimensions of 482*347*88MM, allowing it to integrate cleanly into standard network infrastructure racks.
5. What dry contacts are available for system alarm integrations?
The unit provides 5 routes of dry contacts for system monitoring: DC input fault, AC input fault, overload alerts, by-pass activity, and output faults.
6. Does the unit support remote configuration and query interfaces?
Yes, the system is designed with RS232 and RS485 communication ports, and features an optional SNMP port for advanced network monitoring and configuration.

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