CRIMP TERMINAL PRODUCT OVERVIEW AND DATASHEET
EXECUTIVE SUMMARY
The Crimp Terminal series represents a foundational electrical interconnection component engineered specifically for demanding Battery Energy Storage System (BESS) environments. Designed to exceed UL 486A-486B and IEC 61238-1 requirements, these terminals provide the critical low-resistance, high-vibration-resistant junctions necessary for safe, long-duration energy storage operation. Rated for continuous service from -40°C to +125°C, each terminal delivers consistent mechanical pull-out force and voltage drop performance across the full lifetime of the asset.
SYSTEM ARCHITECTURE & SAFETY
The crimp terminal architecture utilizes a seamless oxygen-free copper barrel with selective tin or silver plating, combined with a precision-machined inspection window to verify conductor insertion depth. Double-indent crimp geometry ensures uniform radial compression without strand deformation or necking. Safety features include flared barrel entry to prevent strand damage, radiused edges to avoid insulation abrasion, and color-coded nylon or polycarbonate insulation sleeves offering finger-safe protection up to 1000 V DC. Each terminal lot undergoes 100% electrical continuity and dielectric withstand testing before release.
KEY FEATURES
– Low Contact Resistance: Achieves ≤ 0.1 mOhm contact resistance after accelerated thermal cycling (1000 hours at 125°C), minimizing I²R losses in high-current DC busbars.
– High Tinned Copper Corrosion Protection: Compliant with ASTM B33 and SAE AS7928, salt spray tested to 500 hours minimum without red rust or surface degradation.
– Vibration Resistance: Validated to SAE J1378 and IEC 61373 Class B for railway and stationary storage vibration profiles; no measurable resistance increase after 1e6 mechanical cycles.
– Inspection Window Feature: 180-degree transparent nylon insulator or open-barrel window provides positive visual confirmation of full conductor seating prior to crimping.
– Temperature Rise Compliance: Delta-T rise ≤ 45°C above ambient at 125% rated current per UL 486A-486B section 22.
COMPLIANCE & STANDARDS
All Crimp Terminal models comply with or exceed the following regulatory frameworks:
– UL 486A-486B (Wire Connectors and Soldering Lugs)
– CSA C22.2 No. 65 (Canadian Electrical Code)
– IEC 61238-1 (Electrical connectors for copper and aluminium conductors)
– RoHS 2011/65/EU (Restriction of Hazardous Substances)
– REACH EC 1907/2006 (Chemical registration)
– NFPA 70 (National Electrical Code, Article 110.14)
TECHNICAL SPECIFICATIONS
| Parameter | Specification |
|---|---|
| Conductor Material | Oxygen-free copper (Cu-ETP, 99.9% min), tin-plated or silver-plated |
| Wire Range (AWG/kcmil) | 6 AWG to 750 kcmil (copper, stranded/compressed) |
| Voltage Rating | 1000 V DC (insulated); 1500 V DC (bare barrel, derated clearance) |
| Temperature Range | -40°C to +125°C (continuous operating) |
| Contact Resistance (max) | 0.10 mOhm (after thermal cycle conditioning) |
| Pull-out Force (min) | 75% of conductor rated breaking strength per UL 486A |
| Insulation Material | Nylon 6/6 or polycarbonate, UL 94 V-0, color-coded |
| Certifications | UL Listed, CSA Certified, IEC 61238-1 Class A |
INDUSTRIAL DEPLOYMENT
Within a utility-scale or C&I BESS, Crimp Terminals are positioned at four critical interfaces: battery module to pack busbars, pack to rack combiner, rack to DC disconnect, and PCS DC input terminals. For 1500 V DC nominal systems, the terminals support cable sizes from 6 AWG to 750 kcmil copper. Maximum short-circuit current withstand is 25 kA for 1 second without barrel deformation. The terminals are compatible with standard hexagonal and quad-point crimp tools from industry manufacturers (Burndy, Greenlee, Klauke, Cembre). For liquid-cooled racks, the terminal insulation material is rated UL 94 V-0, self-extinguishing within 10 seconds.
📥 Download Technical Specification
Click the button below to view or download the full official PDF datasheet.
