code of practice three (cop3- 10mva) remote metering box ...dec 2016 wago limited, triton park,...
TRANSCRIPT
Code of Practice Three (COP3- 10MVA) remote metering box assembly for Main & Check Meters
The COP3 box assembly by WAGO LTD comprises:-
2 pairs of CT terminals (282-870) suitably configured to ensure the CT’s cannot be left open circuit when the meter is disconnected. This is achieved by means of a sliding lever built into the terminals. The CT terminal levers are clipped together so both operate simultaneously, lockouts are fitted to stop accidental moving of the levers. Additional wiring and links have been added so that only 3 wires are required from the CT’s (1 per CT and 1 commoned return) and 3 wires going to the meter.
• 3 x isolation terminals with test points for the incoming VT wiring.• 4 x 4A fused terminals and 2 disconnect terminal for the VT connections to the meters.• 1 x 2A fused terminal and 1 disconnect terminal for auxiliary devices.• 1 x 2 conductor 16mm2 earth terminal .
The unit is supplied in an ABS hinged lid box 560 x 380 x 180mm suitable for mounting 2 meters on the lid, the 2 corner fixing screw points are drilled to allow locking wire seals to be used.
The terminals and wiring are marked with terminal and wire markers in accordance with REC requirements, meter wires are 1200mm long.
All boxes are supplied tested with a certificate of testing and conformity.
WAGO part number 50078520.
Description and Handling:-Disconnect link in notched position “I”
In position “I”, the measuring instrument is connected to the transformer.
B = shorting jumper P = test socket
By moving the interlocked disconnect links from “I” to “TEST” the shorting path is activated without disconnection of the measuring instrument yet.
The measuring instrument is electrically disconnected from the transformer. In this position, if necessary, external voltage can be applied via sockets, or the 2nd CAGE CLAMP® connection for relay testing in transformer protection circuits.
Disconnect link in transition from “I” -> “TEST” (terminal blocks 1 + 2)
Disconnect link in notched position “TEST” (terminal blocks 1 + 2)
L1
L2
L3
N
DISCONNECTTERMINALS
CT TERMINALARRANGEMENTWITH LINKS
FUSETERMINALS
2A 4A 4A
D12
D52
D70
E52M
E32M
E12M
COP3CONNECTIONS TO TWIN
METERS AND CT'S
AUXEQUIPMENT
4A
E12C
E32C
4AE5
2C
E11
LINK
E31
E51
COP3 Connections to Meter and CT’s:-
COP3 Enclosure Dimensions
560mm
380mm
180mm
Dec 2016
WAGO Limited, Triton Park, Swift Valley Industrial Estate, Rugby, Warwickshire, CV21 1SG Tel: 01788 568 008 - Fax: 01788 568 050 - [email protected] - www.wago.com WAGO is a registered trademark of WAGO Verwaltungsgesellschaft mbH.
WAGO also produce a COP5 meter box arrangement and a COP2 meter box, see separate data sheets.
Other variations of metering boxes are available upon request, or our Engineering Department can design a solution for your requirements.