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400 A Split-core current transformer for Shelly Pro 3EM-400

Device identification

  • Device name: CT 400A
  • Manufacturer model: CT315

Short description

CT 400A (The Device) is a split-core current transformer for the Shelly Pro 3EM-400 energy meter.

Features

  • Snap-on, screwless mounting system

Main application

Connector to Shelly Pro 3EM-400

  • 2-pin MX3.0-2x1Y connector

Specifications

TypeValue
Physical
Size (H×W×D):84×54×48 ±0.5 mm / 3.31×2.13×1.89 ±0.02 in (without the cable)
Weight:290 ±1 g / 10.23 ±0.05 oz (with the cable)
Conductor aperture:Ø35 mm / 1.38 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:400 A
Electrical strength:3000 VAC, 60 sec

Installation

CT 400A Cable Diagram

Legend

LabelDescription
AShelly CT400A
BCable tie (another one on the opposite side)
CPrimary conductor

Compliance

  • Declaration of conformity