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The DMA-1 CT is a 1-phase current intensity indicator, adapted 

for measurement in an indirect circuit using current transfor-

mers with an output current of 5 A. 

The sensor correctly measures the true rms value of the 

current (TrueRMS), even in the case of a distorted (de-

formed) current waveform.

The indicator continuously measures the TrueRMS current value, 

the result of which is shown on a 3-digit segment display on the 

facade of the unit. 

The indicator allows the value of connected current transfor-

mers to be set, so that the value shown on the display corre-

sponds to the actual current value.

The DMA-1 CT is suitable for mounting in a switchgear directly 

on a 35 mm DIN rail.

Purpose

Functioning

DMA-1 CT TrueRMS

Current intensity indicator,

1-phase

F&F Filipowski L.P.

Konstantynowska 79/81, 95-200 Pabianice, POLAND

phone/fax (+48 42) 215 23 83 / (+48 42) 227 09 71

www.fif.com.pl; e-mail: [email protected]

Do not dispose of this device in the trash along with other waste!  

According to the 

Law on Waste, electro coming from households free of charge and can give any amo-

unt to up to that end point of collec� on, as well as to store the occasion of the purchase 

of new equipment (in accordance with the principle of old-for-new, regardless of brand). 

Electro thrown in the trash or abandoned in nature, pose a threat to the environment 

and human health.

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