PowerFlex 755 Install Manual.pdf

50
Drive, Fuse & Circuit Breaker Ratings
Table 19 and Table 20 provide drive ratings (including continuous, 1 minute
and 3 second) and recommended AC line input fuse and circuit breaker
information. Sizes listed are the recommended sizes based on 40 degree C
and the U.S N.E.C. Other country, state or local codes may require different
ratings.
Refer to Table 18 which describes input device requirements based on
physical installation choice.
Table 18 Input Device Requirements
Enclosure
UL Certification Not
Frames Catalog Code Enclosure Type Installation Type UL Certification Required Required
N
F
IP20
NEMA/UL Open Type
Flange
Installed in a non-ventilated
cabinet. Heat sink is inside or
outside of cabinet.
All devices in Table 19 are
acceptable.
2, 3, 4, 5 N
IP20
NEMA/UL Open Type
Installed outside of cabinet
using NEMA Type 1 kit or in a
Devices in Table 19 excluding
time delay fuses and maximum
F Flange
ventilated cabinet.
value for non-time delay fuses.
G
IP54
NEMA/UL Type 12
Installed inside or outside of
any cabinet.
Installed in any cabinet.
All devices in Table 19 are
acceptable.
All devices in Table 19 are
acceptable.
6, 7
N
IP00
NEMA/UL Open Type
Heat sink is inside or outside
of cabinet.
Installed outside of cabinet
using NEMA Type 1 kit.
All devices in Table 19 are
acceptable.
G
IP54
NEMA/UL Type 12
Installed inside or outside of
any cabinet.
All devices in Table 19 are
acceptable.
Fusing
For optimum protection, semiconductor type fusing is recommended.
For general purpose fusing, refer to the recommended types listed below.
IEC – BS88 (British Standard) Parts 1 & 2 (1) , EN60269-1, Parts 1 & 2,
type gG or equivalent should be used.
UL – UL Class CC, T, RK1 or J should be used.
(1) Typical designations include, but may not be limited to the following; Parts 1 & 2: AC, AD, BC, BD, CD, DD ED,
EFS, EF, FF, FG, GF, GG, GH.
PowerFlex 750-Series Installation Instructions – Publication 750-IN001C-EN-P – September 2009