The XA-12157 is a 300A-rated collector designed for use with Hevi-Bar I (8-Bar) conductor systems. It features a durable F-base mounting configuration and an R-head assembly, optimized for consistent contact and current collection. The unit comes pre-wired with a 5-foot, 4-lead pigtail, making it ready for quick integration into cranes, hoists, or other mobile electrification applications. Its robust build supports high-duty cycles and is ideal for environments demanding continuous, high-capacity power transfer with minimal maintenance. Key Features: 300A Current Rating: Ideal for heavy-duty power transfer F-Base Mounting: Secure and stable collector arm attachment R-Head Design: Ensures smooth tracking and reliable conductor contact Pre-Wired Pigtail: 5 ft lead with 4 conductors for fast installation Engineered for Hevi-Bar I Systems: Compatible with high-performance 8-Bar rail Technical Specifications: Product Type: Collector Assembly System Compatibility: Hevi-Bar I (8-Bar) Current Rating: 300A Head Type: R-Head Base Type: F-Base Pigtail: 5-foot, 4-lead Application: Cranes, hoists, and industrial mobile electrification systems