Accessories for variable transformers, follow-up controllers
Description
Control unit for motor-controlled variable transformers
The REO control unit NLR 7000 is used for constant setting of the voltage or power in variable transformers.
The REO controller NLR 7000.1-3 is an electronic controller for the following control options – all combined in one controller:
- NLR 7000. 1 = Variable AC control
- NLR 7000. 2 = Variable DC control
- NLR 7000. 3 = constant voltage + _ 10-30%
The control electronics of the NLR 7000 control the three-phase motor of the variable transformer for this purpose. The various applications are made possible by programming. The parameters are set via the LED displays – with remote control if required.
Advantages
- easy handling
- for voltage stabilizers or as current / voltage regulators
- Installation horizontally or vertically
Technical specification
- Protection class: IP20
- Operating temperature: 0…+45 °C
- Storage temperature: -10…+80 °C
- Rel. humidity: 80% without condensation
- Pollution degree: 2
- Installation altitude: 1000 m 0.5 % nominal current reduction per additional 100 m
- Input voltage : 230/3×400 V
- Frequency range : 50-60 Hz
| Eingangsspannung mit angeschlossenem Neutralleiter | 230V 50-60Hz 3 x 400V 50-60Hz |
| Input frequency | 50 / 60 Hz |
| Output | constant, adjustable AC or DC |
| Motor power | 370 W |
| Motor for adjustment | Three phase 3 x 400v Star |
| Maximum motor current | adjustable 0 … 100 % |
| Setpoint current | 10k Potentiometer / 0 .. 10VDC / 0(4) … 20mADC |
| Setpoint voltage | 10k Potentiometer / 0 .. 10VDC / 0(4) … 20mADC |
| Actual power | 3 x 0 … 4,5VAC oder 0 … 5VDC |
| Actual voltage | 3 x 0 … 440VAC (3 x 254VAC vs N) or 0 … 5VDC |
