7 - 2 ct and 2 voltage transformers, 7 power supply connection diagram, Inst alla tion – CIRCUTOR CVMk2 Series User Manual

Page 24

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24

CVM

k2

INST

ALLA

TION

2.6.7 - 2 CT AND 2 VOLTAGE TRANSFORMERS

L1

L2

L3

VL1

VL2

VL3

S2

P2

S1

P1

B

A

S2

P2

S1

P1

A

B

a

a

b

b

2.7 POWER SUPPLY CONNECTION DIAGRAM

Power supply

85...265 V a.c.

100...300 V c.c.

(Standard model)

The system should be connected to a power supply circuit protected

by fuses with current ratings between 0.5 and 1 A / 600 V (UL listed). It

should be provided with a MCCB or equivalent device to switch off the

system from the power supply circuit. The power supply and voltage

measuring circuit is connected with cable minimum cross section of

1 mm

2

(AWG 17). The current transformer secondary side connection

line should have a minimum cross section of 2 mm

2

(AWG 14) and with

a minimum temperature rating of 60 ºC.

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