Signal Tower Lights, Warning Lights & Electric Horns, Fully Enclosed Products, Explosion proof Products, LED Work Lights-Qlight

FAQ

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Q Is Hz (Frequency) marked on the products of Tower Lights?Tower Lamp: A
The standard of prevailing in Korea is 60Hz and the standard of QLight is also 60Hz. Therefore it is not marked separately in general and it will be marked for the specification of 50Hz.

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Q Is it possible to produce ST45L model as AC24V?Tower Lamp: A
In case of ST45L model, generally it is possible to use DC24V product as AC24V. For reference, it is possible to use both AC and DC for the specification of 12V and 24V in ST45/56/80L, LF products.

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Q Is it possible to produce cable length of 1.5M for ST45L?Tower Lamp: A
Standard cable length for Tower Light is 400mm, but if you designate 1.5m as option, it will be produced as custom made.

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Q What is the thickness of power line for Tower Lights?Tower Lamp: A
In case of direct power supply type in the Tower Light, signal line is power line of 0.3Sq. In case of the specification for separated power line and signal line, power line is 0.75Sq. The standard per each line is UL1015-18AWG(0.3Sq) and UL1007-22AWG(0.75Sq).

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Q Is it possible to control volume of Buzzer in the Tower Lights?Tower Lamp: A
It is impossible to control volume in the product of standard specification, but it can be produced as special specification. You can control volume by adjusting of volume control installed on the body.

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Q Is it possible to produce the product of 2 tone buzzer sounds in the Tower Lights?Tower Lamp: A
In case of standard specification for Tower light buzzer type, there is only 1 tone of short interval (PI-PI-PI-PI-...), but 2 tones buzzer is available as custom made. Therefore please designate 2 tones buzzer specification as option when ordering. In additional, 5 kinds of buzzer sound can be operated in the special control tower light of USBB and ETNB type.

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Q Do you have any model can use dual frequency of 50Hz and 60Hz in the Tower Lights?Tower Lamp: A
In case of the frequency of AC product, it is impossible to use as dual frequency of 50Hz and 60Hz, and you have to designate one frequency. If you don't request separately, it will be produced as 60Hz that is prevailing frequency in Korea.

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Q Is it possible to use tower lights as both Steady and Flashing function?Tower Lamp: A
LF" specification of Tower Light is available to use both Steady and Flashing function. In case of AC specification for ST45/56/80LF, Steady Common line and Flashing Common line are out from the product separately. Therefore the user can use both Steady and Flashing partitively according to connection (signal method) method (But when tie steady common line and flashing common line together, the PCB will be damaged. Therefore it needs for attentions. ex) when steady and flashing signal are input at same time, it is no problem for a while. But when it lasted continuously, misoperation will be happened or PCB board will be damaged). In case of DC specification, basically flashing common line is only out from the product. Therefore you have to connect separately by referring to connection diagram for using of steady. If you want to use steady by connecting of common line same as flashing, you have to order steady common line as option.

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Q What is the difference between ST45L and ST45ML?Tower Lamp: A
M" type is Mount_direct mounting (Bolts) type to mount the product on the equipment directly, and "L" type is pole mounting type to mount the product the equipment through pipe. That is to say the difference of mounting type.

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Q Do you have the specification for Melody sound in the ST45L product?Tower Lamp: A
QLight has the model of Tower Lights with built-in sound. You can order the model name of ST45WL or ST45WLF. ST45WL is LED Steady type and ST45WLF is LED Steady and Flashing type. There are warning sound(WS), Melody(WM) and Alarm(WA) in the kinds of sound tones.

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