Littelfuse Rockwell Catalog
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45024R2C2.75S
FUS 2.75KV MV R-RATED 24R SEALED | Series: R-Rated“R” rated fuses provide required short-circuit protection for medium voltage motors, motor controllers and associated circuitry. These components have limited ability to absorb the energy of large short circuit currents. Medium voltage motor controllers contain overload relays which provide both overload protection and locked rotor protection to the motor. The controllers are also intended to interrupt low value short circuits within the capability of the motor controller. This protects the medium voltage fuse from sustained overcurrents which are less than their minimum interrupting rating.
NEMA Standards for “R” rated medium voltage power fuses require that they operate within 15-35 seconds when subjected to an rms current 100 times the “R” rating. For example, a fuse with a 2R rating will open within 15 to 35 seconds on an applied current of 2 x 100 = 200 amperes.
Live Parts:
Live parts are available for mounting “E”, “R”, and “PT” single, double, and triple barrel fuses. Mounting clips are available for ferrule type and clip lock style fuses. All clips are sold in pairs.
Contact factory for additional live parts.
NEMA Standards for “R” rated medium voltage power fuses require that they operate within 15-35 seconds when subjected to an rms current 100 times the “R” rating. For example, a fuse with a 2R rating will open within 15 to 35 seconds on an applied current of 2 x 100 = 200 amperes.
Live Parts:
Live parts are available for mounting “E”, “R”, and “PT” single, double, and triple barrel fuses. Mounting clips are available for ferrule type and clip lock style fuses. All clips are sold in pairs.
Contact factory for additional live parts.
| Property | Value |
|---|---|
Current Rating (Continuous) in Amps | 450 |
Maximum AC Voltage (V) | 2750 |
Family style | R-Rated Med Volt |
Fuse Class | Medium Voltage |
Indicating | No |
interrupt Amperage (A) - 1 | 80000 |
interrupt Voltage Type AC/DC) - 1 | AC |
interrupt Voltage (V) -1 | 2750 |
Mounting Method | Cartridge |
PG Holder | 700-530 |
45024R2C2.75S Resources
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| Part Number | Part Description | RoHS | Pb-Free | RoHS (2015/863/EU) Certificate | REACH (SVHC's) Declaration | REACH (SVHC's) | Halogen Free | IPC-Material Declaration | |
|---|---|---|---|---|---|---|---|---|---|
| 45024R2C2.75S | FUS 2.75KV MV R-RATED 24R SEALED | No | No | View More |
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