Certification and Standard Compliance
‑92‑
● It is recommended to use cables compliant with UL758 Style 2517 and Style 2586
as motor main circuit cables.
Requirements of protective devices
To comply with UL61800‑5‑1, install a fuse/circuit breaker on the input side of the
drive to prevent accidents caused by short circuit in the internal circuit.
Install sufficient protective devices against short circuit in branch circuits according to
applicable regulations and this guide. The drive is applicable to circuits with a rated
breaking capacity lower than 5000 A and a maximum voltage of 480 VAC (class 400 V).
Note
All breaker protective devices must be UL‑certified.
For the SV660 drive applied in North America, the recommended protective devices are as
follows:
Fuse type: Semiconductor Fuse
Servo drive model SV660F****I
Recommended Fuse
UL‑compliant FWH series
Size Model
Rated Input
Current
Manufacturer Model
Rated
Voltage
Rated
Current (A)
Three‑phase 380 V
Size E
T017 12
COOPER
BUSSMANN
LLC
FWH‑50B 500 50
T021 16 FWH‑70B 500 70
T026 21 FWH‑125B 500 125
Circuit Breaker Type: Inverse Time Circuit Breaker
Servo drive model SV660F****I
Recommended Fuse
UL‑compliant 3VA6 series
Size Model
Rated Input
Current
Manufacturer Model
Rated
Voltage
Rated
Current (A)
Single‑phase 220 V
Size A
S1R6 2.3
Siemens
SIEMENS AG
3VA6140‑6HL31 480 40
S2R8 4.0 3VA6140‑6HL31 480 40
Size B S5R5 7.9 3VA6140‑6HL31 480 40
Size C S7R6 9.6 3VA6210‑6HL31 480 100
Size D S012 12.8 3VA6210‑6HL31 480 100
Three‑phase 220 V
Size C S7R6 5.1
Siemens
SIEMENS AG
3VA6210‑6HL31 480 100
Size D S012 8.0 3VA6210‑6HL31 480 100
Three‑phase 380 V
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