ES120S High-current Energy Storage Connector for Battery Modules
Product specification
| Housing Material | PA66-GF |
| Terminal Material | Copper alloy,silver-plated |
| Plugging Times | 200 times |
| Error-proofing | 2 keying options, polarized to prevent reverse insertion |
| Rated Current | 330A-95mm²/360A-120mm²/420A-150mm² |
| Rated Voltage | DC1500V |
| Withstand Voltage | AC 6800V |
| Insulation Resistance | ≥500MΩ |
| Contact Resistance | ≤0.3mΩ |
| Temperature Rise | ≤45K |
| Ambient Temperature | -40℃~+125℃ |
| Salt Spray | 96H |
| Altitude | 4000m |
| Protection Rating | IPXXB IP67 |
| Flame Retardant Rating | UL94 V-0 |
| Certification | UL 4128;EN 61984（TUV） |
Product Drawing
Order Information
|
Plug P/N |
Socket P/N |
Color |
Wire Range |
|
ES120S-03C150-1SYA‐01 |
ES120S-01M8-1SYA‐02 |
Black |
420A-150mm² |
|
ES120S-03C150‐2SYB‐01 |
ES120S-01M8‐2SYB‐02 |
Orange |
420A-150mm² |
|
ES120S-03C120-1SYA‐01 |
ES120S-01M8-1SYA‐02 |
Black |
360A-120mm² |
|
ES120S-03C120‐2SYB‐01 |
ES120S-01M8‐2SYB‐02 |
Orange |
360A-120mm² |
|
ES120S-03C95‐1SYA‐01 |
ES120S-01M8-1SYA‐02 |
Black |
330A-95mm² |
|
ES120S-03C95‐2SYB‐01 |
ES120S-01M8‐2SYB‐02 |
Orange |
330A-95mm² |
Product Description
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360° Rotation CapabilityThis feature is a critical design element for enhancing system longevity and reliability. The connector allows for a full 360° rotation after mating, which is far more than a simple convenience. This capability enables installers to freely adjust the cable's exit angle post-installation, guiding it into the most natural and optimal path within the often-crowded battery enclosure. By ensuring the largest possible bend radius, this rotation significantly mitigates mechanical strain, torsion, and stress on the cable and the termination points. This directly prevents premature failure caused by stress fatigue, protects cable integrity, and extends the service life of both the cable assembly and the connector itself.
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Dual Anti-Mismating SystemSafety and error-proofing are paramount in high-voltage, high-current systems. This connector incorporates a robust two-layer protection strategy. First, a visual color-coding system using distinct black and orange housings provides immediate, intuitive identification for positive and negative poles, preventing mistakes at a glance. Second, this is reinforced by a physical polarized keying mechanism. The connector housing features a unique asymmetrical design that makes it physically impossible to mate incorrect poles together.
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Comprehensive Safety ProtectionThis connector is engineered with holistic safety as a core principle. It features a fully integrated finger-safe design that completely shrouds the live electrical contacts. This design serves a dual purpose: it effectively prevents accidental human contact with energized terminals, mitigating electrocution risk, and simultaneously blocks the ingress of foreign particles and debris (such as metal dust or tools) that could cause short circuits. This comprehensive protection is maintained throughout the connector's mating and unmating cycle, ensuring a safe operating environment for technicians.
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Quick InstallationRecognizing the need for efficiency in volume production, this connector is designed for rapid and tool-less installation. It incorporates an intuitive push-to-release mechanism that allows for fast, secure mating and unmating without the need for additional tools or complex procedures. This translates directly into increased production throughput, lower labor costs, and simplified maintenance operations.
Sanco provides one-stop manufacturing solutions covering the entire process from product design, mold development and production, stamping and CNC machining, plating and spraying, to final assembly and inspection.
Our R&D team of 200 experts and professional laboratories enable us to independently execute product structure design, CAE simulation analysis, performance validation, and in-house mold design and manufacturing. Equipped with specialized mold technicians and advanced machinery (including slow wire cutting, fast wire cutting, medium wire cutting, and CNC machines achieving machining accuracy up to 0.02mm), we produce terminals through cold heading or CNC processes and complete plating in-house. Plastic raw materials are thermally baked and injection molded with terminals, followed by assembly via both manual and automated equipment for final shipment. With our professional production and quality assurance teams, we ensure efficient and precise execution at every stage..
Sanco testing center is equipped with standard test site, professional testing team, more than 100 sets of advanced testing equipment, can scientifically operate according to ISO/IEC/UL/GB/GJB and other laboratory accreditation standards, establish a sound quality management system.
In March 2021, it was officially recognized by the China National Accreditation Service for Conformity Assessment (CNAS). It is conducive to improving its own management and technical capabilities, providing a full range of quality plans for products, and increasing customers' trust in Sanco and core market competitiveness.
High-current (330A-500A) energy storage connectors are critical components enabling large-scale energy storage power stations to achieve higher efficiency, enhanced safety, and greater power density. Their development is directly driven by the trend toward larger battery cell capacities and higher charge/discharge rates.
In the future, the current rating of connectors will continue to increase, and deeper integration with smart and sensing technologies will transform them from passive connecting elements into active nodes for safety management. For connector manufacturers, continuous technological R&D and a profound understanding of end application scenarios are key to maintaining competitiveness in this rapidly evolving market.
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FAQ
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Q: How many specifications do your energy storage connectors cover?
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Q: How do I choose the right connector for my energy storage system?
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Q: What are your competitive advantages? Why should I choose your products?
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Q: What is the IP rating of your connectors?
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Q: Are the connectors certified?