250A Lithium Battery Terminal Block – IP67 High Current Connector
250A Lithium Battery Terminal Block – IP67 High Current Connector
250A High-Current Through-the-Wall Terminal Block for Lithium Battery Energy Storage
Meet the demands of high-power electrical systems with this robust 250A Lithium Battery Terminal Block. Engineered for energy storage, solar, EV, and industrial battery applications, this through-the-wall screw terminal connector delivers exceptional conductivity, a sealed IP67 rating, and flame-retardant insulation — all in a compact, durable form factor.
Made in Mainland China.
Key Features
- 250A High-Current Capacity: Handles up to 250 amps, making it ideal for demanding energy transfer applications including lithium battery packs, solar storage, and industrial power systems.
- Silver-Plated Copper Contacts: Excellent electrical conductivity and long-term corrosion resistance ensure consistent, reliable performance over thousands of connection cycles.
- IP67 Waterproof & Dust-Proof: Fully sealed against dust ingress and water immersion, perfect for outdoor enclosures and harsh industrial environments.
- Flame-Retardant PA66 Insulation: V0-rated flame-retardant housing minimizes fire risk in high-voltage electrical installations, meeting strict safety standards.
- Wide Operating Temperature Range: Functions reliably from -20°C to 105°C, ensuring stable performance across diverse climates and industrial conditions.
- Rated to 900V: Suitable for high-voltage battery systems, inverters, and energy storage units requiring safe and efficient power distribution.
- Compact & Easy to Install: Compact 53 × 45.9 mm footprint fits most battery enclosure wall penetrations with a straightforward screw-terminal installation.
Specifications
| Type | Screw Terminal / Through-the-Wall Connector |
| Rated Current | 250A |
| Rated Voltage | 900V |
| Contact Material | Silver-Plated Copper |
| Insulator Material | Flame Retardant PA66 (V0 Grade) |
| IP Rating | IP67 |
| Operating Temperature | -20°C to 105°C |
| Dimensions | 53 × 45.9 mm |
| Available Colors | Black, Orange |
| Country of Origin | Mainland China |
Package Contents
- 1 × 250A Lithium Battery Terminal Block Connector
Notes
- Actual color may vary slightly from images due to monitor brightness and lighting conditions.
- Please allow minor measurement tolerance (±1–2 mm) for physical dimensions.
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Frequently Asked Questions
Q: What applications is this 250A terminal block connector suitable for?
A: This 250A lithium battery terminal block is designed for high-current applications including lithium battery energy storage systems, solar power setups, EV battery packs, inverters, and industrial power distribution panels. Its 900V rating and IP67 waterproof seal make it equally suitable for both indoor enclosures and outdoor installations.
Q: Is this terminal block safe for outdoor or wet environments?
A: Yes. With an IP67 ingress protection rating, this connector is fully dust-tight and protected against water immersion (up to 1 meter for 30 minutes). The V0-rated flame-retardant PA66 housing adds an additional layer of safety, making it an excellent choice for outdoor battery enclosures and harsh industrial conditions.
Q: What wire gauge or cable size is compatible with this terminal block?
A: This terminal block uses a screw-terminal design and accommodates heavy-gauge cables appropriate for 250A applications. For best performance and safety, use cables rated for at least 250A continuous current. We recommend consulting your local electrical code or a qualified electrician to select the appropriate cable gauge for your specific installation.