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3NE1 SITOR double protection fuses allow the cable and semiconductor protection to be implemented with just one fuse. This results in significant cost savings and shorter assembly times. An overview of the fuses required for the armature and field circuits is provided in the following table. Fuse | Armature circuit | Field circuit |
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| | < 900 A | ≥ 900 A | | | | Two-quadrant operation | Four-quadrant operation | Two-quadrant operation | Four-quadrant operation | | Phase fuse | Required | Required | – | – | Required | Arm fuse | – | – | Integrated in the unit | Integrated in the unit | – | DC fuse | – | Required | – | – | – |
For technical specifications, engineering data as well as dimensional drawings for Siemens fuses, please refer to Catalog LV 10.1 "Low-Voltage Power Distribution and Electrical Installation Technology". In order to ensure UL-compliant protection of units, it is essential that you use UL-listed or UL-recognized fuses. Fuses for the field circuit Recommended fuses for the field circuit Rated DC current for converter unit | Max. field current | 2 Siemens fuses | 2 Bussmann fuses
FWP 700V |
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| | | Article No. | | Article No. | |
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A | A | per unit | A | per unit | A |
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15 | 3 | 5SD420 | 16 | FWP-5B | 5 | 30 | 5 | 5SD420 | 16 | FWP-5B | 5 | 60 … 125 | 10 | 5SD420 | 16 | FWP-15B | 15 | 210 … 280 | 15 | 5SD440 | 25 | FWP-20B | 20 | 400 … 600 | 25 | 5SD440 | 25 | FWP-30B | 30 | 710 … 850 | 30 | 5SD480 | 30 | FWP-35B | 35 | 900 … 3000 | 40 | 3NE1802‑0 1) | 40 | FWP-50B | 50 | 1500 … 3000
with option L85 | 85 | 3NE8021‑1 1) | 100 | FWP-100B | 100 |
1) UL-recognized Fuses for the armature circuit Units, two-quadrant operation: 400 V, 575 V, 690 V, 830 V and 950 V Phase fuses Unit | 3 phase fuses Siemens |
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Type | I/V | Article No. | I/V |
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| | A/V | per unit | A/V |
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6RA8025-6DS22-0AA0 | 60/400 | 3NE1817-0 | 50/690 | 6RA8025-6GS22-0AA0 | 60/575 | 3NE1817-0 | 50/690 | 6RA8028-6DS22-0AA0 | 90/400 | 3NE1820-0 | 80/690 | 6RA8031-6DS22-0AA0 | 125/400 | 3NE1021-0 | 100/690 | 6RA8031-6GS22-0AA0 | 125/575 | 3NE1021-0 | 100/690 | 6RA8075-6DS22-0AA0 | 210/400 | 3NE3227 | 250/1000 | 6RA8075-6GS22-0AA0 | 210/575 | 3NE3227 | 250/1000 | 6RA8078-6DS22-0AA0 | 280/400 | 3NE3231 | 350/1000 | 6RA8081-6DS22-0AA0 | 400/400 | 3NE3233 | 450/1000 | 6RA8081-6GS22-0AA0 | 400/575 | 3NE3233 | 450/1000 | 6RA8085-6DS22-0AA0 | 600/400 | 3NE3336 | 630/1000 | 6RA8085-6GS22-0AA0 | 600/575 | 3NE3336 | 630/1000 | 6RA8087-6DS22-0AA0 | 850/400 | 3NE3338-8 | 800/800 | 6RA8087-6GS22-0AA0 | 800/575 | 3NE3338-8 | 800/800 | 6RA8086-6KS22-0AA0 | 720/690 | 3NE3337-8 | 710/900 |
Arm fuses Note:
The arm fuses are included in the unit. No external semiconductor fuses are required. Unit | Arm fuses Siemens |
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Type | I/V | Fuses | Article No. | I/V |
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| | A/V | | per unit | A/V |
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6RA8091-6DS22-0AA0 | 1200/400 | 6 | 3NE3338-8 | 800/800 | 6RA8090-6GS22-0AA0 | 1100/575 | 6 | 3NE3338-8 | 800/800 | 6RA8090-6KS22-0AA0 | 1000/690 | 6 | 3NE3337-8 | 710/900 | 6RA8088-6LS22-0AA0 | 950/830 | 6 | 3NE3337-8 | 710/900 | 6RA8093-4DS22-0AA0 | 1600/400 | 6 | 6RY1702-0BA02 | 1000/660 | 6RA8093-4GS22-0AA0 | 1600/575 | 6 | 6RY1702-0BA02 | 1000/660 | 6RA8093-4KS22-0AA0 | 1500/690 | 6 | 6RY1702-0BA03 | 1000/1000 | 6RA8093-4LS22-0AA0 | 1500/830 | 6 | 6RY1702-0BA03 | 1000/1000 | 6RA8095-4DS22-0AA0 | 2000/400 | 6 | 6RY1702-0BA01 | 1250/660 | 6RA8095-4GS22-0AA0 | 2000/575 | 6 | 6RY1702-0BA01 | 1250/660 | 6RA8095-4KS22-0AA0 | 2000/690 | 12 | 6RY1702-0BA04 | 630/1000 | 6RA8095-4LS22-0AA0 | 1900/830 | 12 | 6RY1702-0BA04 | 630/1000 | 6RA8096-4GS22-0AA0 | 2200/575 | 6 | 6RY1702-0BA05 | 1500/660 | 6RA8096-4MS22-0AA0 | 2200/950 | 12 | 3NC3438-6 | 800/1100 | 6RA8097-4KS22-0AA0 | 2600/690 | 12 | 3NC3341-6 | 1000/1000 | 6RA8097-4GS22-0AA0 | 2800/575 | 12 | 3NC3341-6 | 1000/1000 | 6RA8098-4DS22-0AA0 | 3000/400 | 12 | 3NC3341-6 | 1000/1000 |
Units, two-quadrant operation: 480 V Phase fuses Unit | 3 phase fuses Siemens | 3 phase fuses
Bussmann | 3 phase fuses
Bussmann 1) |
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Type | I/V | Article No. | I/V | Article No. | I/V | Article No. | I/V |
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| | A/V | per unit | A/V | per unit | A/V | per unit | A/V |
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6RA8025-6FS22-0AA0 | 60/480 | 3NE1817-0 | 50/690 | 170M1565 | 63/660 | FWH-60B | 60/500 | 6RA8028-6FS22-0AA0 | 90/480 | 3NE1820-0 | 80/690 | 170M1567 | 100/660 | FWH-100B | 100/500 | 6RA8031-6FS22-0AA0 | 125/480 | 3NE1021-0 | 100/690 | 170M1568 | 125/660 | FWH-125B | 125/500 | 6RA8075-6FS22-0AA0 | 210/480 | 3NE3227 | 250/1000 | 170M3166 | 250/660 | FWH-225A | 225/500 | 6RA8078-6FS22-0AA0 | 280/480 | 3NE3231 | 350/1000 | 170M3167 | 315/660 | FWH-275A | 275/500 | 6RA8082-6FS22-0AA0 | 450/480 | 3NE3233 | 450/1000 | 170M3170 | 450/660 | FWH-450A | 450/500 | 6RA8085-6FS22-0AA0 | 600/480 | 3NE3336 | 630/1000 | 170M4167 | 700/660 | FWH-600A | 600/500 | 6RA8087-6FS22-0AA0 | 850/480 | 3NE3338-8 | 800/800 | 170M5165 | 900/660 | FWH-800A | 800/500 |
1) FWH-... fuses are not mechanically compatible with 3NE or 170M fuses. Arm fuses Note:
The arm fuses are included in the unit. No external semiconductor fuses are required. Unit | Arm fuses Siemens |
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Type | I/V | Fuses | Article No. | I/V |
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| | A/V | | per unit | A/V |
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6RA8091-6FS22-0AA0 | 1200/480 | 6 | 3NE3338-8 | 800/800 |
Units, four-quadrant operation: 400 V, 575 V, 690 V, 830 V and 950 V Phase fuses, DC fuse Unit | 3 phase fuses Siemens | 1 DC fuse Siemens |
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Type | I/V | Article No. | I/V | Article No. | I/V |
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| | A/V | per unit | A/V | per unit | A/V |
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6RA8013-6DV62-0AA0 | 15/400 | 3NE1814-0 | 20/690 | 3NE1814-0 | 20/690 | 6RA8018-6DV62-0AA0 | 30/400 | 3NE8003-1 | 35/690 | 3NE4102 | 40/1000 | 6RA8025-6DV62-0AA0 | 60/400 | 3NE1817-0 | 50/690 | 3NE4120 | 80/1000 | 6RA8025-6GV62-0AA0 | 60/575 | 3NE1817-0 | 50/690 | 3NE4120 | 80/1000 | 6RA8028-6DV62-0AA0 | 90/400 | 3NE1820-0 | 80/690 | 3NE4122 | 125/1000 | 6RA8031-6DV62-0AA0 | 125/400 | 3NE1021-0 | 100/690 | 3NE4124 | 160/1000 | 6RA8031-6GV62-0AA0 | 125/575 | 3NE1021-0 | 100/690 | 3NE4124 | 160/1000 | 6RA8075-6DV62-0AA0 | 210/400 | 3NE3227 | 250/1000 | 3NE3227 | 250/1000 | 6RA8075-6GV62-0AA0 | 210/575 | 3NE3227 | 250/1000 | 3NE3227 | 250/1000 | 6RA8078-6DV62-0AA0 | 280/400 | 3NE3231 | 350/1000 | 3NE3231 | 350/1000 | 6RA8081-6DV62-0AA0 | 400/400 | 3NE3233 | 450/1000 | 3NE3233 | 450/1000 | 6RA8081-6GV62-0AA0 | 400/575 | 3NE3233 | 450/1000 | 3NE3233 | 450/1000 | 6RA8085-6DV62-0AA0 | 600/400 | 3NE3336 | 630/1000 | 3NE3336 | 630/1000 | 6RA8085-6GV62-0AA0 | 600/575 | 3NE3336 | 630/1000 | 3NE3336 | 630/1000 | 6RA8087-6DV62-0AA0 | 850/400 | 3NE3338-8 | 800/800 | 3NE3334-0B 1) | 500/1000 | 6RA8087-6GV62-0AA0 | 850/575 | 3NE3338-8 | 800/800 | 3NE3334-0B 1) | 500/1000 | 6RA8086-6KV62-0AA0 | 760/690 | 3NE3337-8 | 710/900 | 3NE3334-0B 1) | 500/1000 |
1) Two fuses connected in parallel. Arm fuses Note:
The arm fuses are included in the unit. No external semiconductor fuses are required. Unit | Arm fuses Siemens |
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Type | I/V | Fuses | Article No. | I/V |
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| | A/V | | per unit | A/V |
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6RA8091-6DV62-0AA0 | 1200/400 | 6 | 3NE3338-8 | 800/800 | 6RA8090-6GV62-0AA0 | 1100/575 | 6 | 3NE3338-8 | 800/800 | 6RA8090-6KV62-0AA0 | 1000/690 | 6 | 3NE3337-8 | 710/900 | 6RA8088-6LV62-0AA0 | 950/830 | 6 | 3NE3337-8 | 710/900 | 6RA8093-4DV62-0AA0 | 1600/400 | 6 | 6RY1702-0BA02 | 1000/660 | 6RA8093-4GV62-0AA0 | 1600/575 | 6 | 6RY1702-0BA02 | 1000/660 | 6RA8093-4KV62-0AA0 | 1500/690 | 6 | 6RY1702-0BA03 | 1000/1000 | 6RA8093-4LV62-0AA0 | 1500/830 | 6 | 6RY1702-0BA03 | 1000/1000 | 6RA8095-4DV62-0AA0 | 2000/400 | 6 | 6RY1702-0BA01 | 1250/660 | 6RA8095-4GV62-0AA0 | 2000/575 | 6 | 6RY1702-0BA01 | 1250/660 | 6RA8095-4KV62-0AA0 | 2000/690 | 12 | 6RY1702-0BA04 | 630/1000 | 6RA8095-4LV62-0AA0 | 1900/830 | 12 | 6RY1702-0BA04 | 630/1000 | 6RA8096-4GV62-0AA0 | 2200/575 | 6 | 6RY1702-0BA05 | 1500/660 | 6RA8096-4MV62-0AA0 | 2200/950 | 12 | 3NC3438-6 | 800/1100 | 6RA8097-4KV62-0AA0 | 2600/690 | 12 | 3NC3341-6 | 1000/1000 | 6RA8097-4GV62-0AA0 | 2800/575 | 12 | 3NC3341-6 | 1000/1000 | 6RA8098-4DV62-0AA0 | 3000/400 | 12 | 3NC3341-6 | 1000/1000 |
Units, four-quadrant operation: 480 V Phase fuses Unit | 3 phase fuses Siemens | 3 phase fuses Bussmann | 3 phase fuses Bussmann 2) |
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Type | I/V | Article No. | I/V | Article No. | I/V | Article No. | I/V |
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| | A/V | per unit | A/V | per unit | A/V | per unit | A/V |
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6RA8013-6FV62-0AA0 | 15/480 | 3NE1814-0 | 20/690 | 170M1562 | 32/660 | FWH-35B | 35/500 | 6RA8018-6FV62-0AA0 | 30/480 | 3NE1815-0 | 25/690 | 170M1562 | 32/660 | FWH-35B | 35/500 | 6RA8025-6FV62-0AA0 | 60/480 | 3NE1817-0 | 50/690 | 170M1565 | 63/660 | FWH-60B | 60/500 | 6RA8028-6FV62-0AA0 | 90/480 | 3NE1820-0 | 80/690 | 170M1567 | 100/660 | FWH-100B | 100/500 | 6RA8031-6FV62-0AA0 | 125/480 | 3NE1021-0 | 100/690 | 170M1568 | 125/660 | FWH-125B | 125/500 | 6RA8075-6FV62-0AA0 | 210/480 | 3NE3227 | 250/1000 | 170M3166 | 250/660 | FWH-225A | 225/500 | 6RA8078-6FV62-0AA0 | 280/480 | 3NE3231 | 350/1000 | 170M3167 | 315/660 | FWH-275A | 275/500 | 6RA8082-6FV62-0AA0 | 450/480 | 3NE3233 | 450/1000 | 170M3170 | 450/660 | FWH-450A | 450/500 | 6RA8085-6FV62-0AA0 | 600/480 | 3NE3336 | 630/1000 | 170M4167 | 700/660 | FWH-600A | 600/500 | 6RA8087-6FV62-0AA0 | 850/480 | 3NE3338-8 | 800/800 | 170M5165 | 900/660 | FWH-800A | 800/500 |
2) FWH-... and FWP-... fuses are not mechanically compatible with 3NE or 170M fuses. DC fuse | | 1 DC fuse Siemens | 1 DC fuse Bussmann 2) |
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Type | I/V | Article No. | I/V | Article No. | I/V |
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| | A/V | per unit | A/V | per unit | A/V |
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6RA8013-6FV62-0AA0 | 15/480 | 3NE1814-0 | 20/690 | FWP-35B | 35/660 | 6RA8018-6FV62-0AA0 | 30/480 | 3NE4102 | 40/1000 | FWP-35B | 35/660 | 6RA8025-6FV62-0AA0 | 60/480 | 3NE4120 | 80/1000 | FWP-70B | 70/660 | 6RA8028-6FV62-0AA0 | 90/480 | 3NE4122 | 125/1000 | FWP-125A | 125/660 | 6RA8031-6FV62-0AA0 | 125/480 | 3NE4124 | 160/1000 | FWP-150A | 150/660 | 6RA8075-6FV62-0AA0 | 210/480 | 3NE3227 | 250/1000 | FWP-250A | 250/660 | 6RA8078-6FV62-0AA0 | 280/480 | 3NE3231 | 350/1000 | FWP-350A | 350/660 | 6RA8082-6FV62-0AA0 | 450/480 | 3NE3334-0B | 500/1000 | FWP-500A | 500/660 | 6RA8085-6FV62-0AA0 | 600/480 | 3NE3336 | 630/1000 | FWP-700A | 700/660 | 6RA8087-6FV62-0AA0 | 850/480 | 3NE3334-0B 1) | 500/1000 | FWP-1000A | 1000/660 |
1) Two fuses connected in parallel. 2) FWH-... and FWP-... fuses are not mechanically compatible with 3NE or 170M fuses. Arm fuses Note:
The arm fuses are included in the unit. No external semiconductor fuses are required. Unit | Arm fuses Siemens |
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Type | I/V | Fuses | Article No. | I/V |
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| | A/V | | per unit | A/V |
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6RA8091-6FV62-0AA0 | 1200/480 | 6 | 3NE3338-8 | 800/800 |
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