Power supply / rectifier

Thyristor Rectifiers

GR-3811 with touch screen TFT display
GR-3812 with LC-Display

Equipment

  • Thyristor rectifier 6-pulse (12-pulse optional)
  • Input contactor for rectifier
  • Automatic charge
  • Analogue control
  • Microprocessor-controlled monitoring
  • Digital display with event ring memory (non-volatile):
    – GR-3811: colour TFT panel with touch screen
    – GR-3812: LC display with LED indicators in mimic diagram
  • Power unit with two-stage temperature monitoring
    (Warning message / shutdown)
  • Galvanic isolation between input and output
  • 8 remote signals (potential-free contacts, configurable)
  • RS232 interface
  • Can be connected in parallel
  • Programmable battery test

State of the art

  • User-friendly, intuitive operation
  • 3 Charging characteristics IU (automatic)
  • Fanless design (natural air cooling by convection)
  • Design according to current standards

Our options (excerpt)

  • Specific electrical parameters, e.g. frequency / voltage
  • Specific mechanical parameters, e.g. protection class (IP21 and higher), base plate
  • Equipment and functionalities, e.g.: Protective devices (MCCB, surge arrester …), monitoring (fan, earth fault …), interfaces (Profibus, Modbus, SNMP …), temperature-controlled battery charging …
  • More on request

Technical data

GR-3811 and GR-3812

Rated voltage

24 / 48 / 60 / 110 / 120 / 220

Rated current

Up to 1500 A

Rectifier version

Galvanically isolated, thyristor 6-pulse,
>500 A 12-pulse

Input voltage

3/N/PE AC 400/230 V +/-10%

Voltage tolerance (output)

±1 %

Frequency

50 Hz ±5 %

Charging code

IU charge acc. DIN 41772 3
(continuous, heavy and forming charge)

Voltage ripple

<2% eff. without battery

Security

1 acc. EN 60950-1

Protective conductor current

< 5 % INom typ. 50 mA

Protection class

IP 20 (floor IP00) according to EN 60529

Permissible installation altitude

1000 m above sea level
min. Air pressure 870 hPa

Installation site

  • Premises with restricted access area
  • Installation on concrete or another non
    flammable surface

Connection

front, bottom - accessible after opening the door

Display and control unit

GR-3811: Color TFT - panel with touch screen display

GR-3812: LC-Display

Remote signalling
(terminal connection)
Contact rating
AC 250 V 6 A 1500 W
DC 250 V 0,4 A 100W
DC 60 V 0,7 A 42 W
DC 24 V 6 A 144 W

8 signals / 2 potential-free change-over contacts per signal

  • Operation
  • Battery discharge
  • Forewarning
  • Deep discharge
  • Mains fault
  • System malfunction
  • 3 x reserve

Test voltage

  • Input / Output: 5.3 kVDC
  • Input / body: 2.3 kVDC
  • Output / body: 2.8 kVDC

Applied guidelines and standards

Low Voltage Directive

2014/35/EU

EMC Directive

2014/30/EU

RoHS Directive

2011/65/EU

Permissible environmental conditions:

Storage according to EN 60721-3-1

1K21 / 1M11 +5 to +40 °C

Transport according to EN 60721-3-2

2K12 / 2M4 -45 to +70 °C

Operation according to EN 60721-3-3

3K22 / 3M11 +5 to +40 °C

  • 5-85 % rel. Humidity, no condensation
  • Pollution degree 2

Depending on configuration, subject to change

We will be happy to check your requirements/specification for feasibility

Brochure as PDF

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vertrieb@gustav-klein.com

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