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SAT-60

Low  Voltage  Measuring Current Transformers SAT-60

SAT-60 is a dry, window-type measuring current transformer. The outer casing is made of double-layer insulating thermoplastic material, completely insulated, heat-resistant, impact-resistant, self-extinguishing grades HB40 and V-0. The window is designed with a rectangular opening and a circular opening. The primary wire is flexible, and the busbar can be used. It can also be used with a round cable and a single winding. It is suitable for measurement, measurement and protection under the 0.72kV power system.

DESCRIPTION


  

Main Technical Data Sheet

No

 

Item

CT

1.

Highest voltage for equipment

 0.72KV

2.

Rated power-frequency with-stand voltage:

3 KV

3.

Rated primary currents

300-3000A

4.

Rated secondary current:

5A,1A

5

The rated insulation voltage

800 V

6

Rated frequency

50Hz,60Hz

7

Accuracy class according

0.2S,0.2,0.5,1

8

Rated output

1VA,2.5VA,3.75VA,5VA7.5VA,10VA,15VA

9

Power factor

0.8

10

Limits of current error and phase displacement

IEC 61869-1&2

11

Extended current ratings

1.2

12

Instrument security factor

5,10

13

The maximum ambient air temperature

50°C

14

average value measured over a period of 24 hr

35°C

15

The minimum ambient air temperature

-5°C

16

Maximum temperature difference between day and night

25°C

17

The installation altitude

1000m

Note: Upon request, we are happy to provide current transformers according to other technical specifications.

Other Features:

a). Secondary terminals have two pinch screws for each terminal. Each terminal shall ensure good contact pressure on two exposed tips of secondary wire of 4mm2. The screws shall withstand the tightening torque of at least 4.0 Nm. The screws made of nickel plated or passivated brass.

 b).  Secondary terminals have protective terminals cover  provided. for the cover sealing.

  Terminals  marked as per IEC Standard 61869-1,2. The polarity markings P1, P2 and terminals markings S1 and S2 shall be placed on the top surface of CT and be clear and readable. When installed on a bar - P1 from the left, S1 on top.

c). The CT must have the casing made of double insulation thermoplastic material.

d). The casing must be heat and impact resistant

e). The casing must be of self-extinguishing classes HB40 and V-0 according to      IEC 60695-11-10.

Outline drawing

           

 

               Figure 3  1500-3000/5A
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