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