Delta PG-40 Specifications download pdf (Page 14)

VFD-B Series

3-1

CHAPTER 3 WIRING

DANGER

Hazardous Voltage

Before accessing the AC drive:



Disconnect all power to the AC drive.



Wait five minutes for DC bus capacitors discharge.

Any electrical or mechanical modification to this equipment without prior written

consent of Delta Electronics, Inc. will void all warranties and may result in a safety

hazard in addition to voiding the UL listing.

Short Circuit Withstand:

The rated voltage must be equal to or less than 240V (460V model is 480Volts) and the

current must be equal to or less than 5000A RMS. (the model of 40HP or above is 10000A

RMS)

 General Wiring Information

Applicable Codes

All VFD-B AC drives except 015B21A, 015B23A and 075B23B are Underwriters

Laboratories, Inc. (UL) and Canadian Underwriters Laboratories (cUL) listed, and therefore

comply with the requirements of the National Electrical Code (NEC) and the Canadian

Electrical Code (CEC).

Installation intended to meet the UL and cUL requirements must follow the instructions

provided in “Wiring Notes” as a minimum standard. Follow all local codes that exceed UL

and cUL requirements. Refer to the technical data label affixed to the AC drive and the

motor nameplate for electrical data.

The "Line Fuse Specification" in Appendix B, lists the recommended fuse part number for

each B-Series part number. These fuses (or equivalent) must be used on all installations

where compliance with U.L. standards is a required.

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Delta PG-40 Specifications Page 14