Device identification
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Device name: CT 120A
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Manufacturer model: CT313
Short description
CT 120A (The Device) is a split-core current transformer for the Shelly Pro 3EM energy meter.
Features
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Snap-on, screwless mounting system
Connector to Shelly Pro 3EM
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2-pin MX3.0-2x1Y connector
Safety features
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Secondary winding high voltage protection
Specifications
|
Type |
Value |
|---|---|
|
Physical |
|
|
Size (HxWxD): |
45x40x36 ±0.5 mm / 1.77x1.57x1.42 ±0.02 in (without the cable) |
|
Cable length |
650 mm / 25.6 in |
|
Weight: |
75 ±1 g / 2.65 ±0.05 oz (with the cable) |
|
Conductor aperture: |
Ø15 mm / Ø0.6 in |
|
Core: |
Ferite |
|
Shell material: |
Plastic |
|
Color: |
White |
|
Environmental |
|
|
Ambient temperature: |
-10 °C to 50 °C / 14 °F to 122 °F |
|
Humidity: |
0 % to 80 % RH |
|
Max. altitude: |
2000 m / 6562 ft |
|
Electrical |
|
|
Primary/secondary current ratio: |
3000/1 |
|
Rated max. primary current: |
120 A |
|
Electrical strength: |
3000 VAC, 60 sec |
Installation
Legend
|
A |
Shelly CT 120A |
|
B |
Cable tie (another one on the opposite side) |
|
C |
Primary conductor |
Compliance
-
Declaration of conformity
User guide