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ESR1XLDB0125
POWR-SPEED SQB ESR 1500VDC 1XL DIN 125A | 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 | 125 |
Interrupting Rating
| 250 kA @ 1500 Vdc |
Opening | aBat |
Voltage Rating (V) | 1500 |
Case Size | NH 1XL |
Amp Code (Part Number) | 0125 |
IEC Standard | 60269-7 |
Interrupt Amperage | 250000 |
Interrupt Voltage Type ACDC - 1 | DC |
Interrupt Voltage | 1500 |
Mounting Method | DIN Blade |
Operating Temperature Max (°C) | 125 |
Operating Temperature Min (°C) | -55 |
Voltage Rating (Dc) | 1500 |
Max Voltage Rating (V) | 1500 |
Watts Loss 100 % | 53 |
- High dc interrupting facilitates scaling up systems without requiring a redesign of 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
- Conforms to the IEC60269-7 battery circuit protection standard
- Compact NH 1XL size saves space and offers design flexibility
ESR1XLDB0125 Applications
- Battery energy storage systems (BESSs) – Battery Protection Unit (BPU) and battery racks
- Power conversion systems
- Dc common bus systems
- Hybrid PV-BESS inverters
ESR1XLDB0125 Resources
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| Part Number | Part Description | RoHS | Pb-Free | RoHS (2015/863/EU) Certificate | REACH (SVHCs) Declaration | REACH (SVHCs) | Halogen Free | IPC-Material Declaration | |
|---|---|---|---|---|---|---|---|---|---|
| ESR1XLDB0125X | POWR-SPEED SQB ESR 1500VDC 1XL DIN 125A |  5/4/2022 |  5/4/2022 |  CoC_RoHS10_ESR1XL_SERIES_125A | REACH_SVHC_Declaration_ESR1XL_SERIES_125A.pdf | Does Not Contain | Yes5/4/2022 | IPC_ESR1XLDB0125X | View More |
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