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SUN2000-(50KTL, 60KTL, 65KTL)-M0 User Manual

This document describes the SUN2000-50KTL-M0, SUN2000-60KTL-M0 and SUN2000-65KTL-M0 in terms of its installation, electrical connections, commissioning, maintenance, and troubleshooting.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Crimping the OT Terminal

Crimping the OT Terminal

Requirements for the OT Terminal

  • If a copper cable is used, use a copper wiring terminal.
  • If a copper-clad aluminum cable is used, use a copper wiring terminal.
  • If an aluminum alloy cable is used, use a copper to aluminum adapter terminal or an aluminum wiring terminal with a copper to aluminum adapter washer.
  • Directly connecting an aluminum wiring terminal to the AC terminal block will cause electro-chemical corrosion and weaken the cable connection reliability.
  • The copper to aluminum adapter terminal or an aluminum wiring terminal with a copper to aluminum adapter washer must comply with IEC61238-1.
  • Do not mix up the aluminum and copper sides of the copper to aluminum adapter washer. Ensure that the aluminum side of the washer contacts the aluminum wiring terminal, and the copper side contacts the AC terminal block.
Figure 5-1 Requirements for the OT terminal

Crimping the OT terminal

  • Pay attention not to damage the core wire when stripping a cable.
  • The cavity formed after the conductor crimp strip of the OT terminal is crimped must wrap the core wires completely. The core wires must contact the OT terminal closely.
  • Wrap the wire crimping area with heat shrink tubing or PVC insulation tape. The following figure uses heat shrink tubing as an example.
  • When using the heat gun, protect devices from being scorched.
Figure 5-2 Crimping the OT Terminal

(1) Cable

(2) Core wire

(3) Heat shrink tubing

(4) OT terminal

(5) Hydraulic pliers

(6) Heat gun

Updated: 2019-10-12

Document ID: EDOC1100016052

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