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ESR3XLUB0350XI
PS SQB ESR 1500VDC 3XL BOLT 350A ID | Series: ESRThe 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 250 kA—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 | 350 |
Interrupting Rating
| 250 kA @ 1500 Vdc |
Opening | aBat |
Voltage Rating (V) | 1500 |
Case Size | NH 3XL |
Amp Code (Part Number) | 0350 |
IEC Standard | 60269-7 |
Indicating | Yes |
Interrupt Amperage 1 | 250000 |
Interrupt Voltage Type ACDC - 1 | DC |
interrupt Voltage (V) -1 | 1500 |
Mounting Method | Bolted Blade |
Operating Temperature Max (°C) | 125 |
Operating Temperature Minimum Celsius | -55 |
Voltage Rating (Dc) | 1500 |
Max Voltage Rating (V) | 1500 |
Watts Loss 100 % | 133 |
- High dc interrupting rating
- Low minimum breaking current
- Extremely fast acting
- Low watt loss
- Conforms to the IEC 60269-7 battery standard
- Compact NH 1XL and 3XL sizes
- Optional blown-fuse indicator and external microswitch
- Provides superior short-circuit protection and the ability to scale-up systems without the need to redesign the existing circuit protection
- Offers easy coordination with battery modules and reduces size and rating of dc contactors to save space and costs
- Delivers high-speed performance
- Maximizes efficiency by preventing energy loss and minimizing the wasted power of components
- Specifically design to safeguard evolving battery technologies with fuse circuit protection
- Save space and offer design flexibility
- Indication features reduce downtime and increase safety
ESR3XLUB0350XI Applications
- Battery energy storage systems (BESSs) – Battery Protection Unit (BPU) and battery racks
- Power conversion systems
- Dc common bus systems
- Hybrid PV-BESS inverters
ESR3XLUB0350XI 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 | |
|---|---|---|---|---|---|---|---|---|---|
| ESR3XLUB0350XI | PS SQB ESR 1500VDC 3XL BOLT 350A ID |  10/8/2024 |  10/8/2024 | No | View More |
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