Class 8998 Motor Control Centers
Sample Specifications
223
09/2003 © 2000–2003 Schneider Electric All Rights Reserved
Section 16483-1
Motor Control Center
Adjustable Frequency Drive Controller
NOTE:These specifications are for Altivar 58 TRX adjustable frequency drive controllers, herein
referred to as AC inverters, to be mounted in Square D Motor Control Centers. The Mo tor Control Center
specification Section 16443 must be used in conjunction with these specification s in order to sp ec ify a
complete Motor Control Center.
Application information directly affects the type and size of AC drive controller unit that will be quoted.
Brackets [ ] are provided where such data should be included.
Please call your local Square D distributor or sales engineer for specification assistance regarding a
particular application.
The Adjustable Frequency Drive Controller specification should be included in Division 16, Electrical
with the electrical distribution system.
PART 1: GENERAL
1.01 Scope of Work
a. This section provides specification requirements for AC inverter type adjustable frequency, variable
speed drives packaged as a complete motor control center unit or herein identified as AC drive
controller units for use with [NEMA A] [NEMA B] [NEMA C] [NEMA E] [Wound Rotor] [Synch ronous]
design AC motors.
b. The AC drive controller unit manufacturer shall furnish, field test, adjust, and certify all installed AC
drive controller units for satisfactory operati on.
c. Any exceptions/deviations to this specification shall be indicated in writing and submitted with the
quotation.
1.02 Submittals
a. Submit with the delivery of the MCC an Installation and Maintenance Manual and one (1) copy if the
manufacturer’s drawings per shipping block.
1.03 Regulatory Requirements
a. ANSI/NFPA 70 — National Electric Code.
b. ANSI C84. 1 — Voltages Tolerances for North America.
c. CSA C22.2 No. 14-M91 — Industrial Control Equipment.
d. IEC 60146.1 — Semiconductor Converters — General Requirements and Line Commutated
Converters Part 1-1: Specifications of Basic Requirements.
e. IEC 60721 — Classification of Environmental Conditions.
f. NEMA ICS 3, Part 1 — Motor Control Centers Not Rated More Than 600 Volts AC.
g. NEMA Publication 250 — Enclosures for Electrical Equipment.
h. UL 508 — UL Standard for Safety for Industrial Control Equipment.
i. UL 508C — UL Standard for Safety for Power Conversion Equipment.
j. UL 845 — UL Standard for Safety for Motor Control Centers.
k. UL 50 — UL Standard for Safety for Enclosures for Electrical Equipment.
1.04 Warranty
a. The AC drive controller unit shall be warranted to be free from defects in materials and workmanship
for a period of eighteen (18) months from date of shipment.