GE Industrial Solutions AF-650 GP General Purpose Drive (230V to 50HP, 460_575V to 100HP) - Manual (Page 23)

3.3.4 Fuses
Branch circuit protection:
In order to protect the installation against electrical and fire hazard, all branch circuits in an installation, switch gear, machines etc., must be short-circuited and
overcurrent protected according to national/international regulations.
Short-circuit protection:
The frequency converter must be protected against short-circuit to avoid electrical or fire hazard. GE recommends using the fuses mentioned below to protect
service personnel and equipment in case of an internal failure in the drive. The frequency converter provides full short-circuit protection in case of a short-circuit
on the motor output.
Overcurrent protection:
Provide overload protection to avoid fire hazard due to overheating of the cables in the installation. Fuses or circuit breakers can be used to provide the overcurrent
protection in the installation. Overcurrent protection must always be carried out according to national regulations.
The AF-650 GP drive is suitable in a circuit capable of supplying a maximum of 100,000 A
rms
(symmetrical), 500 V maximum.
Non UL compliance
If UL/cUL is not to be complied with, we recommend using the following fuses, which will ensure compliance with EN50178:
In case of malfunction, not following the recommendation may result in unnecessary damage to the frequency converter.
AF-650 GP Max. fuse size 1) Voltage Type
1/3 to 1 HP 10A 200-240 V type gG
2 to 3 HP 20A 200-240 V type gG
5 HP 32A 200-240 V type gG
7.5 to 10 HP 63A 380-500 V type gG
15 HP 80A 380-500 V type gG
20 to 25 HP 125A 380-500 V type gG
30 HP 160A 380-500 V type aR
40 HP 200A 380-500 V type aR
50 HP 250A 380-500 V type aR
1) Max. fuses - refer to national/international regulations to select an appropriate fuse size.
AF-650 GP Max. fuse size 1) Voltage Type
3 to 5 HP 10A 380-500 V type gG
3 to 5 HP 20A 380-500 V type gG
7.5 to 10 HP 32A 380-500 V type gG
15 to 25 HP 63A 380-500 V type gG
30 HP 80A 380-500 V type gG
40 HP 100A 380-500 V type gG
50 HP 125A 380-500 V type gG
60 HP 160A 380-500 V type aR
75 to 100 HP 250A 380-500 V type aR
AF-650 GP Operating Instructions
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