Full Galvanic Isolation
Features a standard input isolation transformer (Copper or Aluminum) to provide a complete electrical barrier between the AC and sensitive DC loads.
Industrial DC UPS
ESD Series
Rectifiers & Battery Chargers (DC UPS)
Industrial Battery Chargers (DC UPS)
- Thyristor Based SCR
- Galvanically Isolated Input
- 6 & 12 Pulse
- 24 to 600VDC
- 10 to 2000A
ENCLOVE Energy ESD Series Thyristor Battery Charger delivers precise and stable DC power for industrial control systems, substations, and energy applications where reliability is essential. Featuring digital DSP control, the ESD Series ensures accurate charging voltage and current regulation, extending battery life and maximizing performance.
- Output Voltage Regulation
- < 0,5%
- Efficiency (Three Phase)
- >82%
- Output Ripple (Three Phase)
- <1%
- Operation Temperature
- -10 to 50°C
Product Overview
Built for continuous industrial operation, the ESD Series offers parallel operation capability, advanced communication interfaces (Modbus, TCP/IP, IEC61850), and temperature-compensated charging to ensure long-term dependability. With robust thyristor technology, touchscreen monitoring, and customizable configurations up to IP54, the ENCLOVE Energy ESD Series combines efficiency, durability, and intelligent control — making it the trusted choice for critical DC power systems.
Its float, boost, and equalize charging modes provide complete flexibility for VRLA, Ni-Cd, and lead-acid batteries across a wide voltage range.
Technical Highlights
- Thyristor-controlled rectifier technology; 6-pulse or optional 12-pulse
- Stabilized DC output with high precision (voltage regulation < 0.5%)
- Automatic float and boost charge with programmable timers
- Customizable for challenging environments (Ingress Protection up to IP54)
- Wide input frequency tracking (50Hz, 60Hz, or 400Hz ± 15%)
- Integrated mimic diagram for intuitive real-time process visualization
- Adjustable current limiting from 80% to 125% of nominal voltage
- Compliant with international standards CE and IEC 60146
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FULL GALVANIC ISOLATION
STANDARD INPUT ISOLATION TRANSFORMER (CU or AL)
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SUITABLE FOR ALL BATTERIES
VRLA, OPzV, OPzS, NiCad, LiFE4PO, Lithium Ion etc.
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CURRENT LIMITING
CURRENT LIMITING AT ANY PERCENTAGE OF LOAD
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CHALLENGING ENVIRONMENT
CUSTOMIZABLE FOR CHALLENGING ENVIRONMENTS
KEY FEATURES
Engineered For TOUGHEST CONDITIONS
All Battery Suitable
Advanced configurable charge functions compatible with all industrial battery types including VRLA, NiCad, OPzS, OPzV, and Lithium-ion (LiFePO4).
Rugged Industrial Design
Heavy-duty enclosures (up to IP54) and components specifically selected for uncompromising reliability in the most demanding and harsh environments.
ModBus & Remote Comms.
Standard RS-232 with ModBus protocol and four settable volt-free contacts. Optional TCP/IP, RS485, and IEC61850 for seamless SCADA integration.
Precise Output Control
Advanced power electronics deliver smooth, ripple-free DC output (<0.5% regulation) to protect and significantly extend the life of connected battery banks.
Enhanced Process Visibility
Equipped with a clear mimic diagram for real-time visualization alongside digital or analog instrumentation for accurate tracking of input/output metrics.
Technical specifications
The table below reproduces the ESD Series datasheet specifications for the two models in the range, GBC1VVV-AAA (single phase) and GBC3VVV-AAA (three phase).
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GBC1VVV-AAA
- PHASE
- Single Phase
- TYPE
- Full Bridge
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GBC3VVV-AAA
- PHASE
- Three Phase
- TYPE
- 6 Pulse (OPT: 12 Pulse)
| Model | GBC1VVV-AAA | GBC3VVV-AAA |
|---|---|---|
| PHASE | Single Phase | Three Phase |
| TYPE | Full Bridge | 6 Pulse (OPT: 12 Pulse) |
| INPUT | ||
| Voltage | 110VAC / 115VAC / 120VAC (American Voltage) 220VAC / 230VAC / 240VAC (European Voltage) (OPT: Others) |
190VAC / 200VAC / 210VAC (American Voltage) 380VAC / 400VAC / 415VAC (European Voltage) (OPT: Others) |
| Voltage Range | ±10% Standard (OPT: ±20%) | |
| Input Connections | 3W (PH+N+PE) (OPT: Without Neutral) | 5W (3PH+N+PE) |
| Frequency | 50Hz, 60Hz or 400Hz (±15%) | |
| Power Factor | >0.7 | >0.8 (OPT: 0.9) |
| THDi | <50% | <32% (Optional <12%, 8%) |
| OUTPUT | ||
| Voltage and Regulation | 24VDC / 48VDC / 60VDC / 110VDC / 125VDC / 220VDC / 250VDC / 400VDC / 600VDC < 0,5% | |
| Current Capacity | 10A to 200A | 10A to 2000A |
| Efficiency | >75% | >82% |
| Overload | Current Limiting @100% of Nominal Current (Settable from Front Panel) | |
| Ripple | <4% | <1% |
| BATTERY | ||
| Battery Type | VRLA / OPzV / OPzS / NiCad | |
| Battery Charge Voltage | Depends on the Battery Type (Settable from Front Panel) | |
| Battery Charge Current | Depends on the Battery Capacity (Settable Current Limit from Front Panel) | |
| Boost Charge Timer | 0 - 20 Hours (Settable from Front Panel) | |
| Voltage Adjustable Range | 80% to 125% of Nominal Voltage | |
| ENVIRONMENTAL | ||
| Storage Temperature | -25 to 70°C | |
| Operation Temperature | -10 to 50°C | |
| Relative Humidity | 0 to 95% (Non-Condensing) | |
| Operating Altitude | 1000m from MSL (1% derate each 100m after 1000m) | |
| Acoustic Noise | <65% | <75% |
| Isolation | 1500VAC (OPT: 2000VAC ot 3000VAC) In/Out to Chassis | |
| Isolation Resistance | 200MΩ | |
| PROTECTION & FUNCTIONS & STANDARDS | ||
| Communication | Standard: ModBus over RS232, 4 x Settable Volt-Free Contacts Optional: RS485, TCP/IP, IEC61850, 16 x Settable Volt-Free Contacts |
|
| Battery Protection | Temperature Compansated Charge, Low Voltage Disconnect, Battery Curent Limit, MCB/MCCB, Boost Inhibit |
|
| Input / Output Protection | MCB/MCCB, Line Failure, DC&Battery Low/High Shutdown, Current Limit, Earth Fault, Over Temperature Load on Battery, Charger Failure, Emergency Stop, |
|
| Standards | IEC60146-2, IEC60204-1, IEC61204-2 | |
| ADDITIONAL FEATURES | ||
| Load Output | Diode Dropper or DC/DC Converter | |
| Measurement Units | Analog or Digital Gauges for V, A, Hz, kVA etc. | |
| Power Supply | Power Supply Redundancy from DC Source | |
| Additional (Optional) Protections | Fan Failure, SCR Fuse Failure, Breaker Off, External Block Parallel Fault, Temperature Probe Failure SPD, Cabinet Heater, Cabinet Lightning, Service Plug |
|
| PHYSICAL PROPERTIES | ||
| Cabinet Type | Standalone Type | |
| Cabinet Color | RAL7032, RAL7035 (OPT: Others) | |
| Ingress Protection | IP20 (OPT: IP21 to IP54) | |
| Cooling System | Fan Forced (OPT: Natural Cooling) | |
| Cable Entry | Bottom (OPT: Top, Side, Rear) | |
* Our company has the right to change the model, visual and technical specification information of the products without prior notice.
Frequently asked questions
Answers taken from the ESD Series datasheet.
What models and power range does the ENCLOVE ESD Series battery charger cover?
The ESD Series is offered as GBC1VVV-AAA, a single phase full bridge unit rated 10A to 200A, and GBC3VVV-AAA, a three phase 6 Pulse unit (OPT: 12 Pulse) rated 10A to 2000A. Both cover output voltages from 24VDC to 600VDC.
What DC output voltages and output quality does the ESD Series thyristor charger deliver?
Standard output voltages are 24VDC / 48VDC / 60VDC / 110VDC / 125VDC / 220VDC / 250VDC / 400VDC / 600VDC with regulation of < 0,5%. Ripple is <4% on the single phase model and <1% on the three phase model, with efficiency of >75% and >82% respectively.
Which battery types can the ESD Series industrial DC UPS charge, and is boost charging adjustable?
The specification table lists VRLA / OPzV / OPzS / NiCad, and the datasheet front page adds LiFE4PO, Lithium Ion etc. Charge voltage depends on the battery type and charge current on the battery capacity, both settable from the front panel, and the boost charge timer is settable from 0 - 20 Hours.
What are the operating temperature and environmental limits of the ESD Series battery charger?
Operation temperature is -10 to 50°C and storage temperature -25 to 70°C, with relative humidity of 0 to 95% (Non-Condensing). Operating altitude is 1000m from MSL, with 1% derate each 100m after 1000m.
Does the ESD Series support Modbus and SCADA communication?
ModBus over RS232 with 4 x Settable Volt-Free Contacts is standard. RS485, TCP/IP, IEC61850 and 16 x Settable Volt-Free Contacts are available as options.
Which standards and IP rating apply to the ESD Series industrial battery charger?
The datasheet cites IEC60146-2, IEC60204-1 and IEC61204-2, and carries the CE mark. Ingress protection is IP20 as standard with IP21 to IP54 optional, in a standalone cabinet finished RAL7032 or RAL7035 (OPT: Others).
Documentation & downloads
Download the latest documentation for the ESD Series. Files are provided in their current revision; contact us if you need a previous version or a localised translation.
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Download
Product Datasheet
Full technical specifications, and product features including all the options.
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Download
Installation & User's Manual
Step-by-step installation instructions, menu details, and operating procedures.
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Request
PC & Monitoring Software
Computer Program or Programs helps you to monitor or set the unit.
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