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
Engineered for demanding electrical installations, this 250A Lithium Battery Terminal Block delivers rock-solid connectivity for lithium battery packs, energy storage systems, solar setups, and high-current industrial applications. Built with silver-plated copper contacts and a flame-retardant PA66 insulator, it combines outstanding conductivity with long-term durability — even in harsh environments.
Key Features
- 250A High Current Rating: Handles up to 250 amps, making it ideal for high-load energy storage and battery management systems requiring efficient, uninterrupted power transfer.
- Silver-Plated Copper Contacts: Provides superior electrical conductivity and corrosion resistance, ensuring stable performance and extending the service life of your connections.
- IP67 Waterproof & Dustproof: Fully protected against dust ingress and temporary water immersion — perfect for outdoor enclosures, marine environments, and industrial panels.
- Flame Retardant PA66 Insulator (V0 Grade): The V0-rated insulation minimizes fire risk and meets stringent safety standards for electrical installations.
- Wide Operating Temperature Range: Rated from -20°C to +105°C, this terminal block maintains reliable performance across extreme temperature conditions.
- 900V Rated Voltage: Supports high-voltage applications, adding versatility across a broad range of battery and power systems.
- Through-the-Wall Design: Allows clean and secure panel-mount installation, keeping connections organized and protected inside enclosures.
Specifications
| Part Name | Lithium Battery Terminal Block |
| Rated Current | 250A |
| Rated Voltage | 900V |
| Contact Material | Copper, Silver-Plated |
| Insulator Material | Flame Retardant PA66 (V0) |
| IP Rating | IP67 |
| Operating Temperature | -20°C to +105°C |
| Size | 53 × 45.9 mm |
| Color | Black / Orange |
| Terminal Type | Screw Terminal |
| Country of Origin | Made in Mainland China |
Package Contents
- 1× 250A Lithium Battery Terminal Block Connector
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Frequently Asked Questions
Q: What applications is the 250A lithium battery terminal block suitable for?
A: This 250A terminal block is designed for lithium battery energy storage systems, solar power arrays, electric vehicle battery packs, UPS systems, and other high-current industrial or off-grid electrical applications that require secure, high-capacity connections through panel walls or enclosures.
Q: Is the terminal block waterproof, and can it be used outdoors?
A: Yes. With an IP67 rating, this terminal block is fully protected against dust ingress and can withstand temporary immersion in water (up to 1 meter for 30 minutes). This makes it well-suited for outdoor enclosures, marine environments, and other demanding conditions.
Q: What wire or cable size is compatible with this terminal block?
A: The terminal block uses a screw-type connection designed to accommodate heavy-gauge cables suitable for 250A current loads. For optimal performance and safety, always use appropriately sized and rated cables — consult a qualified electrician if you are unsure of the correct cable gauge for your specific application.
Q: Is the insulator material flame retardant?
A: Yes. The insulator is made from PA66 with a V0 flame retardant grade, one of the highest UL 94 flammability ratings. This significantly reduces the risk of fire propagation in electrical panel installations.