Eaton IZM6-TEST-KIT Manuale utente

KT TESTER

Handle Test Kit for Trip

Unit(PXR4.1,PXR6.1)

Instruction Manual

KT TESTER

1 / 8

Table of Contents

Section 1: Production profiles ................................................................... 2

Section 2: Production composition

.............................................................. 2

Section 3: Operating parameters ........................................................... 3

3.1 Parameters of Adapter ................................................................................ 3

3.2 Parameters of Tester ................................................................................... 3

Section 4: Operating instructions ............................................................. 3

4.1 Panel layout ................................................................................................. 4

4.2 Tester connection ...................................................................................... 4

4.2.1 Test connection with the individual trip unit ...................................................4

4.2.2 Test connection with the circuit breaker ....................................................... 5

4.3 Operating steps ......................................................................................... 5

Section 5: Precautions for use ................................................................ 9

KT TESTER

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Section 1: Product profiles

 KT TESTER tester is applied to the current type protection test of the trip unit;

 KT TESTER can be used for the characteristic test of the trip unit and the circuit breaker;

 KT TESTER has its own lithium battery, which can be directly powered by the battery

during the test;

 KT TESTER generates the AC voltage signal that simulates the output of CT(current

transformer), and loads it to the test port of the trip unit. Through the setting of the AC

voltage signal amplitude, it can test different current protections.

Section 2: Product composition

Figure 1 Product composition

① Power adapter for charging the battery inside the tester

② Tester

③ Test cable for connection between KT TESTER and the trip unit

KT TESTER

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Section 3: Operating parameters

3.1 Parameters of Adapter

Input voltage: AC100V~240V

Frequency: 50/60Hz

Output voltage: DC25.2V

Working temperature: -5~40℃

Storage temperature: -20~50℃

3.2 Parameters of Tester

Size of KT TESTER: L：205mm,W：137mm,H：70mm

When using the tester, the parameter values in Table 1 must be within the normal

operating range。

Table 1 Working parameters of tester

NO. Name Signal

Range Unit Note

Min. Max.

Voltage of

Power

supply

Vcc 21 28 V

Current of Power

supply

Icc - 1 A

Power output

voltage

（

DC24V

）

Pout

22 26 V

4 Voltage of output signal V0 20 5000 mV

5 Frequency of output

signal f 49.95

50.05

6 Duration of battery

power supply tr 5 6 h

7 Charging time of

battery power supply

tc 1 - - h

8 Battery capacity Cb 2 - -

Ah@DC24

9 Charging operating

temperature TC 0 45 ℃

10 Discharge operating

temperature Tw -10 50 ℃

11 Storage temperature

TS -20 50 ℃

Section 4: Operating instructions

KT TESTER

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4.1 Panel layout

Figure 2 Panel layout

4.2 Tester connection

4.2.1 Test connection with the individual

trip

unit

When testing the action characteristics of the trip unit separately, connect the test

terminal of KT TESTER(Figure 4) to the programming test port of the trip unit(Figure 3), and

pay attention to the direction of the test terminal . Connect the "4 , 5" cables of KT TESTER

(Figure 5) with the "4 , 5" out cables from the trip unit for detecting the tripping time (It can

not be connected without measuring the tripping time).

Test cable connection port(

DB25

)

；

2. Charging adapter input interface

；

3. Power switch

；

4. LCD

；

5. “WORK”light:it is on if the tester works

normally

；

6. “TEST”light:it flickers during the test

；

7. Keys

：

-“SET”key for entering the setting

interface

；

-“START”key for starting the test

；

-“STOP”key for stopping the test

；

-“

↑

”

、

“

↓

”

、

“EXIT”

、

“ENTER”4 keys for

menu operation and parameter setting

；

KT TESTER

5 / 8

4.2.2 Test connection with the circuit breaker

When testing the circuit breaker, connect the test terminal of KT TESTER to the

programming test port of the trip unit, and pay attention to the direction of the test terminal.

Connect the "4 and 5" cables of KT TESTER to the "4 and 5" of the secondary terminal of the

circuit breaker for detecting the tripping time (It can be disconnected without measuring the

tripping time).

4.3 Operating steps

NO.

Steps

iagram

Turn on the power and enter the default interface.

Note: 1) When there is no operation for a long time,

KT TESTER will automatically turn off the power

supply of the trip unit to avoid battery power loss.

and then press any key, KT TESTER will automatically

turn on.

2) KT TESTER will not turn off the power supply of

the trip unit during the test.

Figure4 Test port

Connect the socket boss

upward

Figure3

test terminal

Figure5

“

，

”

cables

KT TESTER

6 / 8

Press the "SET" key to enter the main test menu.

Other keys are invalid.

Press the "ENTER" key to enter the parameter

setting and test interface, and the steps are as

shown in 4-7.

、

SET RATIO OF CT

：

1) Move to this column through "

↑

" and "

↓

2)Press the "ENTER" key to enter the parameter

setting state. At this time, the "=" on the left side

of the column will change to "

→

", and then adjust

the parameter to the corresponding value

through "

↑

" and "

↓

" (See Table 2);

3)Press "ENTER" to confirm the setting and exit,

or press "EXIT" to cancel the setting and exit;

、

SELECT TEST PHASE

：

1) Move to this column through "

↑

" and "

↓

2) Press the "ENTER" key to enter the parameter

setting state. At this time, the "=" on the left side

of the column will change to "

→

", and the

n adjust

the parameter to the corresponding value

through "

↑

" and "

↓

" (Cycle display A, B, C, N );

3)Press "ENTER" to confirm the setting and exit,

or press "EXIT" to cancel the setting and exit;

This

symbol

represe

nts the

current

selectio

KT TESTER

7 / 8

、

SET TEST CURRENT

：

1) Move to this column through "

↑

" and "

↓

2) Press the "ENTER" key to enter the parameter

setting state. At this time, the "=" on the left side

of the column will change to "

→

", and then adjust

the parameter to the corresponding value

through "

↑

" and "

↓

" (See Table 3);

3)Press "ENTER" to confirm the setting and exit,

or press "EXIT" to cancel the setting and exit;

、

TEST

：

1) Press the "START" key to test. At this time, the

test status will change to "Testing", the test time

will automatically start to count, and the "TEST"

light will enter the flashing state;

2) If the "4 ,5" cables are connected, KT TESTER

will monitor whether the trip unit trips during the

test, automatically stop after capturing the trip

signal, and display the time; If the "4 ,5" cables

are not connected, the tester will always be in

the test status, and the time will continue to

count until the "STOP" key is pressed to stop.

3)During the test, press the "STOP" key to

manually stop, the test status changes to "Stop",

and the time stops counting.

Note: The trip time in the test is only for

reference, because it includes the status-

switch feedback, mechanical action time

and software judgment time(longer than

real time).

1) After this test, you can repeat steps 4

7 and

test again;

2)When the tests are completed, turn off the

power switch.

Table 2 Ratio of CT

Type Rated Current Ratio of CT

KT TESTER

8 / 8

IZM6

400~2000A 1000A:0.1V

2500~4000A 1000A:0.067V

IZM6 4000~6300A 1000A:0.05V

Table 3 Input current value for test

Protection Input current value Action result Display

accuracy

Long time

Test

1.5 x Ir (Current setting of Long

time)

Trip after delaying

the setting time(tr) ±5%

Short time

Test

1.1 x Isd (Current setting of Short

time)

Trip after delaying

the setting

time(tsd)

±10%

Instantaneo

us Test

1.2 x Ii (Current setting of

Instantaneous) Trip ±20%

Earth-fault

Test

1.1 x Ig (Current setting of Earth-

fault)

Trip after delaying

the setting time(tg) ±10%

Note: 1) Because the setting value of the grounding protection is small and the delay time is

short, the grounding setting needs to be turned off when testing Long time, Short time,

instantaneous. Otherwise, the grounding protection may have priority action.

2) During the grounding test, the analog signal can be tested at any of the three

phases A, B and C.

Example：In=2500A，Ir=2500A， Isd=7500A，Ii=15000A ,Ig=OFF. The steps for testing

instantaneous protection are as follows：

KT TESTER

9 / 8

Section 5: Precautions for use

 After the tests, please turn off the power supply of the tester in order to avoid battery

power loss.

 There are lithium batteries inside. Please use them under specified conditions to avoid

safety problems such as overheating, explosion, fire, etc;

 When scrapping, please pay attention to the recycling of batteries to avoid polluting the

environment;

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