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Electronic speed controllers ERV..

Electronic speed controllers ERV .. are used to change rotation speed by changing supply voltage of motor without overheat external connection. Several motors can be controlled with one ERV controller if total current is not exceeding controllers current.


Triac speed controllers ERV ..T

Triac speed controllers ERV ..T are designed to change the motor rotation speed by changing voltage. Controllers have function of triac thermoprotection. The regulation of motors rotating speed is stepless from set minimum inside of controller up to full suply voltage on the controllers output. The rotating setpoint can be done with knob which is located on the cover of controller. The controllers also have ON/OFF switch with green power supply indication. Fuse is installed in the controller for safety work. More then onemotorcan be connected to the controller, if total current of all motors is less than maximum controller current.


Speed controller EC-10

The controller is designed for direct control of EC- fans motor speed with potentiometer input or any application where is DC control signal required. Also the controller can be used for the manual control of speed and air flow of electrical fans with 0-10V output. The controller has an additional relay output, which is merging when switched the controller. Safety class – IP54, when it's mounted with the upper box and IP44, when it's mounted to concealed box, suitable for highly demand environments as bathroom and etc.


2 and 3 steps switches SW3, SW4

This switch can be used for the manual speed control of single-phase fans motors. Several motors can be connected if maximum current would not be exceeded.

Transformer speed controllers RV ..

Transformer controllers RV.. are designed to change motor rotation speed by changing voltage. Controllers are with transformers overheating protection function. The steps have fixed voltages and are switchable with rotary switch. With a single speed controller can control multiple motors, if the total of all motors power consumption does not exceed the maximum current.

 

Transformer speed controllers RV ..B

Transformer controllers RV ..B are designed to change motor rotation speed by changing voltage. Controllers are with transformers overheating protection function. The steps have fixed voltages and are switchable with rotary switch. With a single speed controller can control multiple motors, if the total of all motors power consumption does not exceed the maximum current.
 

Transformer speed controller RV ..-2

Transformer controllers RV .. -2 are designed to change motor rotation speed by changing voltage. Controllers have overheating protection function. The steps have fixed voltages and switchable with a rotary switch. With a single speed controller can control multiple motors, if the total of all motor power consumption does not exceed the maximum controller current. 
 

Transformer speed controllers RT ..-2

Transformer controllers RT .. -2 are designed to change motor rotation speed by changing voltage. Controllers have overheating  protection function. The steps have fixed voltages and switchable with a rotary switch. With a single speed controller can control multiple motors, if the total of all motor power consumption does not exceed the maximum controller current. 


Transformer speed controllers RT ..

Transformer controllers are designed to change motor rotation speed by changing voltage.  All controllers have overheating protection function. These controllers have 5 fixed voltage steps, which are switched by a rotary switch.

Transformer speed controllers RT ..EX

Transformer speed controllers RT ..EX are designed to change motor rotation speed by changing a voltage. All controllers have overheating protection function. The steps are fixed voltages and switchable with a rotary switch. With a single speed controller can control multiple motors, if the total of all motor power consumption does not exceed the maximum controller current.


Controller for two speeds fan motor RD 4.0

Controller is used for two speeds fan motor control with star/delta electrical connection. Controller has motor overheating protection function. If the motor overheat protection gives a signal that the motor winding temperature is too high, the controller cuts off the power supply to the motor.


Controller for two speeds fan motor RD 4.0 EX

Controller is designed for two speeds explosion-safe (EX) fans motors with star/delta electrical connection. Controller has motor overheating protection function. If the motor overheat protection gives a signal that the motor winding temperature is too high, the controller cuts off the power supply to the motor.

 
 

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