EssEv‑0# Series Square‑Body aR Fast‑Acting ESS DC Fuse 1500VDC 50‑200A
EssEv‑0# square‑body aR fast‑acting DC fuse, 1500VDC 50‑200A,100kA breaking capacity for energy‑storage,battery‑pack and DC relay backup protection.
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EssEv‑0# Series Square‑Body aR Fast‑Acting ESS DC Fuse 1500VDC 50‑200A
EssEv‑0# Series Square‑Body aR Fast‑Acting ESS DC Fuse 1500VDC 50‑200A is 0# size square‑body high‑speed aR‑class DC fuse for energy‑storage and new‑energy DC systems. Rated voltage 1500VDC, max interrupting capacity 100kA@1500VDC(L/R:10‑15ms), minimum breaking current＞3In. Features ultra‑fast fault‑current interruption, excellent vibration & shock resistance ≥20g, compact square‑body construction. Referenced to UL‑248‑1/UL‑248‑13, IEC 60269‑1/IEC 60269‑4, RoHS compliant. Ideal for energy‑storage cabinet, battery‑pack and DC relay backup short‑circuit protection.
ESSEV-Series.-0.-50-200A-1500Vdc-IR-100kA-2
Key Features
- Model Series: EssEv‑0# Square‑Body aR Fast‑Acting ESS DC Fuse
- Rated Voltage: 1500 VDC
- Current Range: 50A‑200A, Operation Class: aR (semiconductor short‑circuit protection)
- Max Breaking Capacity:100kA @1500VDC (L/R:10‑15ms)
- Minimum Breaking Current:＞3 In
- Ultra‑fast opening response under heavy DC fault‑current conditions
- Compact 0# square‑body footprint for cabinet layout optimization
- Excellent anti‑voltaic impingement, wide ambient temperature tolerance
- High mechanical shock & vibration resistance ≥20g
- Compliant: Referenced to UL‑248‑1/UL‑248‑13, IEC 60269‑1/IEC 60269‑4, RoHS; REACH available upon request
General Technical Specifications
| Product Series | EssEv‑0# Series Square‑Body aR Fast‑Acting ESS DC Fuse |
| Rated Voltage | 1500 V DC |
| Rated Current Range | 50A‑200A (aR operation class) |
| Max Breaking Capacity | 100kA @1500VDC (L/R:10‑15ms) |
| Minimum Breaking Current | ＞3 In |
| Body Size | 0# square‑body mounting type |
| Vibration Resistance | ≥20g |
| Standards Compliance | Referenced to UL‑248‑1/UL‑248‑13, IEC60269‑1/IEC60269‑4, RoHS |
| Operating Temperature | ‑5℃ ~ +40℃(regular);‑40℃~+85℃(allowable) |
| Storage Temperature | ‑40℃ ~ +120℃ |
Part Number List & Electrical Parameters(Test@1500VDC,100kA,L/R=12.5ms)
| Part Number | Rated Current | Melting A²s | Clearing A²s | Power Loss‑50%In(W) | Power Loss‑100%In(W) |
| EssEv‑50A | 50A | 330 | 1780 | 3.5 | 14.0 |
| EssEv‑63A | 63A | 570 | 3000 | 3.8 | 18.0 |
| EssEv‑80A | 80A | 985 | 5345 | 4.5 | 24.5 |
| EssEv‑100A | 100A | 1600 | 8600 | 5.6 | 31.0 |
| EssEv‑125A | 125A | 2880 | 15360 | 6.8 | 40.0 |
| EssEv‑150A | 150A | 5460 | 28930 | 8.0 | 48.0 |
| EssEv‑160A | 160A | 5850 | 33800 | 9.5 | 58.0 |
| EssEv‑175A | 175A | 6695 | 36500 | 10.5 | 68.0 |
| EssEv‑200A | 200A | 8800 | 47560 | 12.0 | 77.0 |
Application Scenarios
EssEv‑0# Series Square‑Body aR Fast‑Acting ESS DC Fuse 1500VDC 50‑200A applies to new‑energy DC‑system projects: energy‑storage power station cabinets, energy‑storage battery‑pack protection, DC relay backup protection. The aR‑class high‑speed characteristic provides reliable short‑circuit protection for power semiconductors and DC components under heavy fault‑current conditions.
Installation & Operating Notes
- Square‑body mounting design; ensure good bolt contact to avoid poor contact and over‑heating risk.
- Recommended continuous operating current ≤75% of fuse rated‑current; apply temperature‑derating factor Kt when ambient temperature＞40℃.
- Altitude ≤2000m: no‑derating; for closed‑box installation within 2000‑4500m: derate 2%‑5% per 1000m elevation increase. Open‑air installation can normally ignore altitude influence; Insulation clearance needs re‑checking at high altitude, refer to GB/T16935.1.
- Supports vertical, horizontal and inclined mounting; for spring‑contact‑type fuses, prevent adverse gravity‑vibration influence on electrical contact.
- Forced air cooling can improve heat dissipation and increase allowable current, refer to Kv correction coefficient.
- Do NOT replace fuse under live DC load unless equipped with certified load‑break switchgear.
- Replace fuse immediately if mechanical damage, crack or deformation occurs on fuse body.
- Additional reliability validation test shall be conducted for extremely high‑vibration working environments.
- Select matched copper conductor cross‑section for terminals to control temperature‑rise performance.
Packing & Storage Requirements
Standard original‑box bulk package. Storage temperature:‑40℃~+120℃; humidity limit: RH≤70%@40℃, RH≤80%@30℃, RH≤90%@20℃. Sample testing support, OEM customization, stable mass‑volume supply for energy‑‑storage equipment manufacturers. REACH declaration available upon customer request.
अक्सर पूछे जाने वाले प्रश्न
Q: What rating for EssEv‑0# Series Square‑Body aR Fast‑Acting ESS DC Fuse 1500VDC 50‑200A?
A: Rated 1500VDC, current range 50‑200A, aR‑class, max breaking capacity 100kA@1500VDC(L/R:10‑15ms), min breaking current＞3In.
Q: What is aR‑class fuse?
A: aR‑class is semiconductor‑protecting high‑speed fuse class, designed for fast short‑circuit protection of power semiconductor devices.
Q: What is the body style of EssEv‑0# series?
A: Compact 0# square‑body mounting construction for energy‑‑storage cabinet installation.
Q: What standards does EssEv‑0# comply with?
A: Referenced to UL‑248‑1/UL‑248‑13, IEC60269‑1/IEC60269‑4, RoHS compliant; REACH document available on request.
Q: Main application scenarios for EssEv‑0# series?
A: Energy‑‑storage cabinet, battery‑pack and DC relay backup semiconductor short‑circuit protection.
