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Data is subject to errors and technical modifications.
Standard CT to Plug-in Adaptor - JFA03
Technical Data
Commercial
Distribution
Standard CT to plug-in Adaptor
The
JFA03
converter allows for the connection of up to three standard current
transformers, or standard split-core current transformers (with 1A or 5A
secondary’s), to the plug-in system.
The unit has integrated protection circuitry allowing for disconnection from
meter under load conditions for maintenance.
Important Note
This converter does not provide electrical isolation.
Current transformer secondaries may not be earthed and should be wired as
shown.
Technical Specification
Burden:
<2VA per channel (5A Version)
<0.5VA per channel (1A Version)
Accuracy:
0.4%
Suggested Cable Size:
1.5mm
2
or 2.5mm
2
(2.5mm
2
Max.)
(CT to Adaptor)
Mounting:
DIN rail 35mm
Termination:
CT to adaptor - Rising clamp
screw terminals
Adaptor to Meter - RJ45 Patch Cable
Operating Temperature:
–10°C…+45°C
Storage Temperature:
–25°C…+70°C
Dimension Diagrams (mm)
53
58
90
45
5A or 1A secondary
330mV
CT 1
S1
S1
S1
S2
S2
S2
CT 2
CT 3
3 x Standard
Current Transformers
Plug-in Energy Meter
Meter
Converter
S1 S2 S1 S2 S1 S2
- Connect up to three standard or split core CT’s (1A or 5A secondaries)
- Integrated protection circuitry