YASKAWA
TOEPC7106170YB YASKAWA AC Drive GA500 Installation & Primary Operation
209
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Short Circuit Protection
Install one of these types of short circuit protection devices in
, and
to comply with UL 61800-5-1. Semiconductor protective type fuses are
recommended, but the table also shows alternative short circuit protection devices.
•
Molded Case Circuit Breaker (MCCB) Ratings
–
Maximum MCCB rating is 200% of the Normal-Duty drive full load output amp
(FLA) rating.
–
When you use MCCBs you must mount the drive in a ventilated enclosure according
to the minimum enclosure volume specified in this document.
Note:
When you use MCCBs, Yaskawa recommends Schneider Powerpact current limiting MCCBs.
•
Non-Semiconductor Fuse Ratings
Maximum CC, J, T or RK5 fuse rating is 175% of the Normal-Duty drive full load
output amp (FLA) rating.
•
Short Circuit Current Rating (SCCR)
The maximum SCCR provided by drive and fuse, or drive and MCCB combinations in
this document, is 31,000 RMS symmetrical amps.
–
200 V models: Use the protection specified in this document to prepare the drive for
use on a circuit capable of delivering not more than 31,000 RMS symmetrical amps
and not more than 240 Vac.
–
400 V models: Use the protection specified in this document to prepare the drive for
use on a circuit capable of delivering not more than 31,000 RMS symmetrical amps
and not more than 480 Vac.
Table 17.5 Required Short Circuit Protection for GA500 Finless-Type Drive: Single-
Phase 200 V Class
Drive Model
Semiconduc
tor Fuse
Part Number
Manufacturer:
Eaton/
Bussman
Class CC, J or
T Fuse
Maximum
Amps
MCCB
(Schneider
Powerpact
current
limiting MCCB)
Class RK5
Fuse
Maximum
Amps
Enclosure
Volume
Minimum (in
3
)
B001
FWH-25A14F
3.5
HLL36015
3.5
600
B002
FWH-25A14F
6
HLL36015
6
600
B004
FWH-60B
12
HLL36015
12
600
B006
FWH-80B
20
HLL36025
20
600
B010
FWH-100B
35
HLL36040
35
960
B012
FWH-125B
40
HLL36045
40
960