SIRIUS 3RF34 solid-state switching devices
3.5 Planning/configuring
SIRIUS Innovations
338 System Manual, 01/2011, A8E56203870002-03
Semiconductor fuses
SITOR fuses can be used as an alternative to UL fuses. Here too, the relevant data has
been included in the UL reports. Protection of the semiconductors is much better when
SITOR semiconductor fuses are used (comparable with type of coordination type 2).
The following applies to UL applications:
SITOR fuses are not feeder protective devices but only "special purpose fuses".
Table 3- 16 Fuse protection with semiconductor fuses
Fuse
3RF34 Max. size [A] Type Current [kA] Voltage [V]
3RF3405-.BB 16 3NE1813-0 65 480
3RF3405-.BB 32 3NE4101 65 480
3RF3405-.BB 25 3NE8715-1 65 480
3RF3405-.BB 25 3NE8015-1 65 480
3RF3405-.BB 35 3NE1803-0 65 600
3RF3405-.BB 50 3NE4117 65 600
3RF3405-.BB 50 3NE8717-1 65 600
3RF3405-.BB 63 3NE8018-1 65 600
3RF3410-.BB 35 3NE1803-0 65 600
3RF3410-.BB 50 3NE4117 65 600
3RF3410-.BB 50 3NE8717-1 65 600
3RF3410-.BB 63 3NE8018-1 65 600
3RF3412-.BB 63 3NE1818-0 65 480
3RF3412-.BB 50 3NE1817-0 65 600
3RF3412-.BB 50 3NE4117 65 600
3RF3412-.BB 50 3NE8717-1 65 600
3RF3412-.BB 63 3NE8018-1 65 600
3RF3412-.BB 80 3NE1020-2 65 600
3RF3416-.BB 63 3NE1818-0 65 480
3RF3416-.BB 50 3NE1817-0 65 600
3RF3416-.BB 50 3NE4117 65 600
3RF3416-.BB 50 3NE8717-1 65 600
3RF3416-.BB 63 3NE8018-1 65 600
3RF3416-.BB 80 3NE1020-2 65 600
3RF3403-.BD 35 3NE1803-0 65 480
3RF3403-.BD 50 3NE4117 65 480
3RF3403-.BD 50 3NE8717-1 65 480
3RF3403-.BD 63 3NE8018-1 65 480
3RF3405-.BD 35 3NE1803-0 65 480
3RF3405-.BD 50 3NE4117 65 480
3RF3405-.BD 50 3NE8717-1 65 480
3RF3405-.BD 63 3NE8018-1 65 480
3RF3410-.BD 35 3NE1803-0 65 480
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