AUTOCHGR 300A CT 300Amp Current Transformer Owner’s Manual

AUTOCHGR 300A CT 300Amp Current Transformer

Overview

Power coming into the property is monitored by a Current Transformer (CT) that clamps around the property’s incoming power cable and is then connected to the charge point.

• The CT has a cable allowing it to be connected to the charge point.
• Additional cable may be added to the CT cable but to maintain a good signal, it is recommended that cable extensions are kept as short as possible.

How to Connect the Wire

• Step 1: Loosen the two screws with a flat screwdriver (flat head size: 2mm), as shown in Figure 1.
• Step 2: Insert the red wire and white wire into the corresponding holes, as shown on Figure 2.
• Step 3: Tighten the two screws with the flat screwdriver (flat head size: 2mm) to crimp the two wires.
• Step 4： Insert the plug into the middle socket on the printed circuit board, as shown in Figure 4.

Connect the CT to the Property

1. The CT clamp should be positioned around the Live (positive) cable between the Meter and the Consumer Unit.
2. The arrow shown on the CT clamp must point in the direction of electrical flow TOWARD the consumer unit.

• Alternatively, if required, the CT clamp may be positioned on the Negative cable leaving the Consumer Unit. The arrow on the CT clamp must point in the direction of electrical flow AWAY from the consumer unit.

Step 5:
Release the clip on the CT clamp then open the clamp, and place the CT clamp around the power cable.

Step 6: Close the CT clamp and secure it with the clip.

• Make sure the arrow on the clamp points in the correct direction.
• No other cables should pass through the CT clamp.

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