disconnect & test example for cds6u test & disconnect ...screw terminal blocks disconnect...

SCREW TERMINAL BLOCKS DISCONNECT & TEST Altech Corp. ® • 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 27 1 2 3 4 5 6 S1 S2 S1 S2 S1 S2 A A A A 1 2 3 4 5 6 S1 S2 S1 S2 S1 S2 A A A 1 2 3 4 5 6 S1 S2 S1 S2 S1 S2 A A A 1 2 3 4 5 6 S1 S2 S1 S2 S1 S2 A A A Operating status (with internal distribution of the k-point) Comparison measurement for L1 Sequence for test : 1) Remove SLS2 screw from terminal 1. 2) Connect ammeter to test sockets of terminal 1 and 2. 3) Open disconnect slide link of terminal 1. Meter test for L1 through external power supply Sequence for test : 1) Close short circuit slide SLS2 of terminals 1 and 2. 2) Open disconnect slide link of terminal 1. 3) Connect external power supply to test sockets of terminals 1 and 2. Meter Replacement for L1 Sequence for test : 1) Close short circuit slide SLS2 of terminals 1 and 2. 2) Open disconnect slide link of terminal 1. 3) Disconnect meter for L1. SLS2 in open condition L1 L2 L3 L1 L2 L3 L1 L2 L3 L1 L2 L3 3 Phase current Transformer Test Set EPCDS66 CA72315 LCCDS SLS2 CDSGU CA202 1 2 1 2 S1 S2 L1 A 1 2 1 2 S1 S2 L1 A 1 2 1 2 S1 S2 L1 A A 1 2 1 2 S1 S2 L1 A Operating status Meter test for L1 through external power supply Comparison measurement for L1 Meter replacement Sequence for test : 1) Close short circuit slide SLS2 of terminals 1 and 2. 2) Open disconnect slide link of terminal 2. 3) Disconnect meter for L1 at terminals 1 and 2. Sequence for test : 1) Close short circuit slide SLS2 of terminals 1 and 2. 2) Open disconnect slide link of terminal 2. 3) Connect external power supply to test sockets of terminals 1 and 2. Sequence for test : 1) Remove SLS2 screw from terminal 2. 2) Connect ammeter to test sockets of terminal 2. 3) Open disconnect slide link of terminal 2. SLS2 in open condition Closing of SLS2 Closing of SLS2 SLS2 in open condition Single Phase Current Transformer Test Circuit LCCDS EPCDS6U SLS2 CDS6U CA202 Example for CDS6U Test & Disconnect Terminal Block

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SCREW TERMINAL BLOCKSDISCONNECT & TEST

Altech Corp.® • 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 27

1 2 3 4 5 6

S1 S2 S1 S2 S1 S2

A A A

1 2 3 4 5 6

S1 S2 S1 S2 S1 S2

A A A

1 2 3 4 5 6

S1 S2 S1 S2 S1 S2

A A A

1 2 3 4 5 6

S1 S2 S1 S2 S1 S2

A A A

Operating status

(with internal distributionof the k-point)

Comparison measurement for L1

Sequence for test :1) Remove SLS2 screw from terminal 1.

2) Connect ammeter to test sockets of terminal 1 and 2.3) Open disconnect slide link of terminal 1.

Meter test for L1 through external power supply

Sequence for test :1) Close short circuit slide SLS2 of terminals 1 and 2.2) Open disconnect slide link of terminal 1.3) Connect external power supply to test sockets of terminals 1 and 2.

Meter Replacement for L1

Sequence for test :1) Close short circuit slide SLS2 of terminals 1 and 2.2) Open disconnect slide link of terminal 1.3) Disconnect meter for L1.

SLS2 in open condition

L1 L2 L3

3 Phase current Transformer Test Set

EPCDS66

CA72315LCCDS

SLS2

CDSGU

CA202

1 2

S1 S2

1 2

S1 S2

1 2

S1 S2

1 2

S1 S2

Operating status

Meter test for L1 through external power supply

Comparison measurement for L1

Meter replacement

Sequence for test :1) Close short circuit slide SLS2 of terminals 1 and 2.2) Open disconnect slide link of terminal 2.3) Disconnect meter for L1 at terminals 1 and 2.

Sequence for test :1) Close short circuit slide SLS2 of terminals 1 and 2.2) Open disconnect slide link of terminal 2.3) Connect external power supply to test sockets of terminals 1 and 2.

Sequence for test :1) Remove SLS2 screw from terminal 2.2) Connect ammeter to test sockets of terminal 2.3) Open disconnect slide link of terminal 2.

SLS2 in open condition

Closing of SLS2

SLS2 in open condition

Single Phase Current Transformer Test Circuit

LCCDS

EPCDS6U

SLS2

CDS6U

CA202

Example for CDS6U Test & Disconnect Terminal Block

Leadership disconnect