SOFAR 3.3~12KTLX-G3 User manual
Copyright © Shenzhen SOFARSOLAR Co., Ltd.
Figure 4-2 Grounding connection instruction（1）
Note：the length of L2 should 2~3mm higher than L1
Step 2: Insert the exposed core wires into the OT terminal and crimp them by
using a crimping tool, as shown as figure 5.3. Recommend using OT terminal:
OT-M6, Cable: ≥6mm
2
Figure 4-3 Grounding connection instruction（2）
Note 1: L3 is the length between the insulation layer of the ground cable and
crimped part. L4 is the distance between the crimped part and core wires
protruding from the crimped part.
Note 2: The cavity formed after crimping the conductor crimp strip shall wrap
the core wires completely. The core wires shall contact the terminal closely.
Step 3: Tighten the OT terminal by using M6 screw. Recommend torque is 5N.m
Figure 4-4 Inverter external grounding instruction diagram
1. M6 screw 2. OT terminal 3. threaded hole
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