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ESR3XLDB0500
POWR-SPEED SQB ESR 1500VDC 3XL DIN 500A | Series: ESR
The Littelfuse Energy Storage Rack (ESR) series of fuses is designed specifically to protect battery racks in energy storage systems, inverters, and many other dc applications. The 1500 V dc high-speed square body fuse is extremely fast-acting to respond quickly to a range of fault currents to safeguard the battery module or other devices.
This Class aBat partial range fuse has superior short circuit protection and a low minimum breaking capacity (MBC)—from 300 % or 3 times the fuse’s rated current to 175 kA (250 kA self-certified)—to cover a range of over currents that traditional high-speed partial range fuses do not protect against.
The ESR fuse safely interrupts most faults in a battery storage system to avoid catastrophic failures and costly shutdowns.
| Property | Value |
|---|---|
Current Rating (Continuous) in Amps | 500 |
Interrupting Rating
| 250 kA @ 1500 Vdc |
Opening | aBat |
Voltage Rating (V) | 1500 |
Case Size | NH 3XL |
Amp Code (Part Number) | 0500 |
IEC Standard | 60269-7 |
interrupt Amperage (A) - 1 | 250000 |
interrupt Voltage Type AC/DC) - 1 | DC |
interrupt Voltage (V) -1 | 1500 |
Mounting Method | DIN Blade |
Operating Temperature Max (°C) | 125 |
Operating Temperature Minimum Celsius | -55 |
Voltage Rating (Dc) | 1500 |
Max Voltage Rating (V) | 1500 |
Watts Loss 100 % | 164 |
- High dc interrupting ratings provide superior short-circuit protection and allow scaling up systems without redesigning existing circuit protection
- The low minimum breaking current offers easy coordination with battery modules and reduces size and rating of dc contactors to save space and costs
- Extremely fast acting delivers high-speed performance
- Low watt loss maximizes efficiency by preventing energy loss and minimizing the wasted power of components
- Compact NH 1XL size saves space and offers design flexibility
- Meets IEC 60269-7 standard for the protection of batteries and battery systems
- Designed to meet evolving demands for battery circuit protection
ESR3XLDB0500 Applications
- Battery energy storage systems (BESSs) – Battery Protection Unit (BPU) and battery racks
- Power conversion systems
- Dc common bus systems
- Hybrid PV-BESS inverters
ESR3XLDB0500 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 | |
|---|---|---|---|---|---|---|---|---|---|
| ESR3XLDB0500X | POWR-SPEED SQB ESR 1500VDC 3XL DIN 500A |  5/4/2022 |  5/4/2022 | Yes5/4/2022 | View More |
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