Kollmorgen MMC Smart Drive Series, Hardware Manual

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Kollmorgen - June 2014 45
MMC Smart Drive Hardware Manual
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SYSTEM POWER DEVICES
4.2.6 460V Smart Drive (SD & SDN) Protection Requirements
Although these drives provide solid state motor overload protection at 125% of the
rated FLA Current and short circuit protection, this Integral solid state short circuit
protection does not provide branch circuit protection. Branch circuit protection must be
Table 4-4: 230V Class J Smart Drive Protection Devices
230V Drive
Model
a
Recommended Fuse Size (Bussmann Fuse P/N
Maximum Fuse Size (Bussmann Fuse P/N)
b,c
V
IN
= 120VAC
1 Phase
V
IN
= 240VAC
1 Phase
V
IN
= 240VAC
3 Phase
MMC-SD-0.5-230
5A (LPJ-5SP)
12A (LPJ-12SP)
5A (LPJ-5SP)
d
12A (LPJ-12SP)
5A (LPJ-5SP)
12A (LPJ-12SP)
MMC-SD-1.0-230
10A (LPJ-10SP)
15A (LPJ-15SP)
10A (LPJ-10SP)
e
15A (LPJ-15SP)
10A (LPJ-10SP)
15A (LPJ-15SP)
MMC-SD-2.0-230
20A (LPJ-20SP)
30A (LPJ-30SP)
20A (LPJ-20SP)
f
30A (LPJ-30SP)
20A (LPJ-20SP)
30A (LPJ-30SP)
MMC-SD-3.0-230
20A (LPJ-20SP)
30A (LPJ-30SP)
20A (LPJ-20SP)
f
30A (LPJ-30SP)
20A (LPJ-20SP)
30A (LPJ-30SP)
a. Drive model pertains to Analog (no dash suffix) and Digital (-D & -DN) versions
b. The largest fuse allowed under any circumstance is four times the motor FLA
c. This is the maximum fuse size that can be used for Device Protection
d. At 5A full load motor current
e. At 10A full load motor current
f. At 20A full load motor current
ATTENTION
The opening of branch-circuit protective device may be an indication that a
fault has been interrupted. To reduce the risk of fire or electric shock, current-
carrying parts and other components of the controller should be examined
and replaced if damaged.
NOTE
All information in this section pertains to both the 460V Smart Drive (SD) and the
460V Smart Drive NextGen (SDN), unless otherwise noted.