250A Lithium Battery Terminal Block – IP67 High Current Connector
250A Lithium Battery Terminal Block – IP67 High Current Connector
250A High Current Through-Wall Terminal Block for Lithium Battery Energy Storage
Built for demanding electrical installations, this 250A lithium battery terminal block delivers rock-solid connectivity for energy storage systems, solar setups, EV battery packs, and industrial power applications. With silver-plated copper contacts, IP67-rated housing, and a V0 flame-retardant rating, this screw terminal connector is engineered for safety, durability, and efficient energy transfer.
Made in Mainland China.
Key Features
- 250A High Current Capacity: Handles up to 250A continuous load, making it ideal for high-power energy storage and distribution systems.
- Silver-Plated Copper Contacts: Provides exceptional conductivity and corrosion resistance for long-lasting, low-loss connections.
- IP67 Waterproof & Dustproof: Fully sealed against dust ingress and temporary water immersion — perfect for outdoor, marine, and harsh industrial environments.
- V0 Flame Retardant PA66 Insulator: The highest flame-retardant grade ensures enhanced electrical safety and reduced fire risk.
- Wide Operating Temperature: Rated from -20°C to +105°C, this terminal block performs reliably across extreme temperature conditions.
- 900V Rated Voltage: Supports high-voltage battery systems with confidence and compliance.
- Through-the-Wall Design: Enables clean, panel-mounted cable pass-through for tidy, professional wiring enclosures.
Specifications
| Rated Current | 250A |
| Rated Voltage | 900V |
| Contact Material | Copper with silver plating |
| 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 |
| Type | Screw Terminal |
| Origin | Mainland China |
Package Contents
- 1 × 250A Lithium Battery Terminal Block Connector
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Note: Actual color may vary slightly from images due to monitor settings and lighting conditions. Please allow minor tolerances in manual measurements.
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What applications is the 250A lithium battery terminal block suitable for?
A: This high current terminal block connector is designed for lithium battery energy storage systems, solar power arrays, EV and eBike battery packs, UPS systems, and other demanding industrial or off-grid power installations requiring reliable 250A through-wall connections.
Q: Is this terminal block waterproof for outdoor use?
A: Yes. The connector carries an IP67 rating, meaning it is fully protected against dust ingress and can withstand temporary immersion in water (up to 1 metre for 30 minutes). This makes it well suited for outdoor enclosures, marine environments, and harsh industrial settings.
Q: What wire sizes are compatible with this 250A screw terminal block?
A: The screw terminal design is compatible with heavy-gauge cables appropriate for 250A current capacity. For best results, consult your local electrical code and use cable rated for at least 250A at the operating voltage of your system (up to 900V rated).
Q: Does this terminal block come in different colors?
A: Yes, the terminal block is available in Black and Orange, making it easy to color-code positive and negative battery connections in your wiring enclosure.