FanAm MD60 AC Drive - Manual (Page 28)

5-6 MD60 AC Drive User Manual
5.5 Fuses and Circuit Breakers
The MD60 drive does not provide branch short circuit protection.
This product should be installed with either input fuses or an input
circuit breaker. National and local industrial safety regulations and/
or electrical codes may determine additional requirements for these
installations.
Table 5.4 provides drive ratings and recommended AC line input
fuse and circuit breaker information. Both types of short circuit
protection are acceptable for UL and IEC requirements. 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.
Fuses
The MD60 drive has been UL tested and approved for use with
input fuses. The ratings in table 5.4 are the minimum recommended
values for use with each drive rating. The devices listed in this table
are provided to serve as a guide.
If fuses are chosen as the desired protection method, refer to
the recommended types listed below. If available amp ratings do not
match the tables provided, the closest fuse rating that exceeds the
drive rating should be chosen.
• IEC – BS88 (British Standard) Parts 1 & 2 1 , EN60269-1, Parts 1 &
2, type gG or equivalent should be used.
• UL Class CC, T or J must be used. 2
!
ATTENTION: To guard against personal injury and/
or equipment damage caused by improper fusing or
circuit breaker selection, use only the recommended
line fuses/circuit breakers specified in table 5.4.
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.
2 Typical designations include:
Type CC - KTK-R, FNQ-R
Type J - JKS, LPJ
Type T - JJS, JJN