

The LDFJ Series fuses provide space-saving, high-speed performance and short-circuit protection for AC and DC drives. These fuses offer current-limiting features with low I2T for protection of power semiconductor devices and motor controllers. They have the lowest let-through energy of any branch circuit overcurrent protective device. These fuses are easily coordinated with existing and new variable speed drives and electric controllers.
- Fast-acting
- Current-limiting
- 200,000 AIR
- Standard Class J dimensions
- Low let-through energy
- Provides protection for equipment requiring fast overload protection
- Reduces damage caused by heating and magnetic effects of short-circuit currents
- Reliable interruption of all overcurrents up to 200,000 A
- Allows for use with readily available fuse blocks, holders, and switches
- Superior system protection
LDFJ Parts
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Showing 1 to 12 of 35 Total Results
Part Number | Actions | Current Rating (Continuous) in Amps | Interrupting Rating | Maximum AC Voltage (V) |
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Part Number | Actions | Current Rating (Continuous) in Amps | Interrupting Rating
| Maximum AC Voltage (V) | |
---|---|---|---|---|---|
1 | 200 kA @ 600 Vac | 600 | |||
2 | 200 kA @ 600 Vac | 600 | |||
3 | 200 kA @ 600 Vac | 600 | |||
4 | 200 kA @ 600 Vac | 600 | |||
5 | 200 kA @ 600 Vac | 600 | |||
6 | 200 kA @ 600 Vac | 600 | |||
8 | 200 kA @ 600 Vac | 600 | |||
10 | 200 kA @ 600 Vac | 600 | |||
12 | 200 kA @ 600 Vac | 600 | |||
15 | 200 kA @ 600 Vac | 600 | |||
20 | 200 kA @ 600 Vac | 600 | |||
25 | 200 kA @ 600 Vac | 600 |