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  4. Switching pad KP 5 (25) A

Switching pad KP 5 (25) A

The KP 5 (25) A switching block is designed for installation and dismantling of three-phase electricity meters of transformer-connected current at the metering point without disconnecting the voltage. The terminal block allows measuring current and voltage without disconnecting the load and disrupting electricity metering by the meter connected to the terminal block. The terminal block is intended for use in any field. The terminal block is designed for installation in closed rooms without aggressive moisture, dust and gases.

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The pad meets the protection requirements of GOST 22261-94. DSTU EN 60947-7-1:2014.

Technical specifications

Parameter nameЗначення параметру
Rated voltage Up, V 3х220/3803х220/380
Rated current/n, A 5
Maximum current strength/max, A25
Rated mains frequency, Hz50, 60
Temperature range: Hz- operating- storagefrom minus 40 ºС to plus 55 ºСfrom minus 55 ºС to plus 75 ºС
Relative humidity< 95%, at 30 ºС
Degree of protection according to GOST 14254IP 30
Average service life 30 years
Weight, kg no more than0,5

DIAGRAMS FOR CONNECTING THE KP 5 (25) A BLOCK TO THE TRANSFORMER (INDIRECT) CURRENT SWITCHING METER


The insulation between the current-carrying parts of different phases of the block, with the jumpers disconnected, can withstand for one minute the action of an alternating current voltage of 2000 V, sinusoidal in shape, with a frequency of 50 Hz. The terminals of the block can withstand a tenfold current overload for 0.5 seconds.



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