The Shelly 400A Current transformers scale the largevalues of current to small, standardized values for measuring purposes. Theyprovide a secondary current that is accurately proportional to the currentflowing in its primary circuit. The current transformer presents a negligibleload to the primary circuit *Only compatible with Shelly Pro 3EM-400A. Features Snap-on, screwless mounting system
Diagrams
INSTALLATION
LEGEND
| A | Shelly CT400A |
| B | Cable tie (another one on the opposite side) |
| C | Primary conductor |
SPECIFICATIONS
| Type | Value |
|---|---|
| Physical | |
| Size (HxWxD): | 84x54x48 ±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 ration: | 3000/1 |
| Rated max. primary current: | 400 A |
| Electrical strength: | 3000 VAC, 60 sec |
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