FCS1 MCHRTF
FCS & MCHRTF Speed Controllers
4, 8, 10 and 12 Amp single-phase speed controllers
FCS1*
The single-phase FCS units are electronic voltage regulators that use the phase-control principle to regulate the output voltage supplied to the load, according to a control signal input.
The controllers are used to control asynchronous motors, such as fans, pumps, mixers, stirrers, etc. By applying a 0 to 10 Vdc control signal, the effective voltage provided to the load varies from 0 to 230 Vac.
The board also features, at the terminal marked +V, a non-stabilised power source, 20Vdc 40 mA, which can be used to create a manual control signal using a 10 kOhm potentiometer. The controllers are protected against short-circuits by a fuse on the outside of the board, for easy access and, where necessary, replacement.
Technical Specifications
| Single-phase supply | 230V +10%/-15% |
|---|---|
| Frequency | 50/60Hz |
| Control signal | 0 to 10 Vdc |
| Power supply for possible manual control (+V terminal) | 20 Vdc 40 mA |
| Operating temperature | -10 to 50ºC |
| Storage temperature | -20 to 70ºC |
| Input impedance | 10 kΩ |
| Type of the action-disconnection | 1Y |
| Index of protection | IP00 (open board) |
| Pollution of the control device | II |
| Category of protection against the insulating parts | III |
| Period of electrical stress across the insulating parts | Long |
|
Min cross-section of the connection cables 4/8 A device 12 A device |
1.5mm2 2.5mm2 |
MCHRTF*
The MCHRTF series electronic devices are single-phase voltage controllers that use the principle of phase control to adjust the effective voltage output to the load, based on the α phase of the PWM control signal.
One typical application is the speed control of single-phase condenser fan motors, based on
the pressure or the temperature measured on the heat exchanger.
The MCHRTF controllers have a fuse located on the outside of the board, thus allowing easy
inspection and replacement, where necessary.
Technical Specifications
| Single-phase power supply | 230 Vac +10%/-15% |
|---|---|
| Frequency | 50/60Hz |
| Control signal | PWM (max 24 V) |
| Minimum current control | 2 mA |
| Maximum current control | 60 mA |
| Minimum duration of the impulse | 1 msec |
| Delay |
0 to 9 msec (0 to 162 degrees) @ f = 50Hz 0 to 7 msec (0 to 126 degrees) @ f = 60Hz |
| Input impedance | 150Ω |
| Operating temperature | -10 to 50ºC |
| Storage temperature | -20 to 70ºC |
| Maximum heat sink temperature | 75ºC |
| Ageing characteristics | 60000 hours |
| Type of action | 1C |
| Degree of pollution of the control device | Normal |
| Index of protection | IP10 |
| Period of electrical stree across the insulating parts | Long |
| Min/Max cross-section of the connection cables | 1.5 to 2.5 mm2 |
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