4.3 UL Standards
256 YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual
4.3 UL Standards
Figure 4.18 UL/cUL Mark
The UL/cUL Mark indicates that this product satisfies stringent safety standards. This mark appears on products
in the United States and Canada. It shows UL approval, indicating that it has been determined that the product
complies with safety standards after undergoing strict inspection and assessment. UL-approved parts must be used
for all major components that are built into electrical appliances that obtain UL approval.
This product has been tested in accordance with UL standard UL61800-5-1, and has been verified to be in
compliance with UL standards.
Machines and devices integrated with this product must satisfy the following conditions for compliance with UL
standards.
◆ Area of Use
Install this product in a location with overvoltage category III and pollution degree 2 or less. These standards are
specified in IEC/EN 60664.
■ Ambient Temperature
Maintain the ambient temperature within the following ranges according to the enclosure type.
• Enclosed wall-mounted type (UL Type 1): -10 °C to +40 °C (14 °F to 104 °F)
• Open chassis type (IP20): -10 °C to +50 °C (14 °F to 122 °F)
◆ Wire the Main Circuit Terminal Block
Wire the main circuit terminal block correctly as specified by the instructions in the manual.
To comply with UL standards on drive models 2257 to 2415 and 4208 to 4675, use UL-approved closed-loop
crimp terminals. Use the tools recommend by the terminal manufacturer to crimp the closed-loop crimp terminal.
Refer to Closed-Loop Crimp Terminals on page 270 for more information about closed-loop crimp terminals (UL-
compliant products).
To select the correct wire gauge, refer to Three-Phase 200 V Class on page 259 and Three-Phase 400 V Class on
page 264.
■ Notes on Wiring the Main Circuit Terminal Block
Read these notes before you wire the main circuit terminal block.
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