Welcome to our store! LED INDICATOR: The fuse base is equipped with an LED indicator to ensure the fuse disconnection status is displayed, preventing incorrect operations and ensuring safe operation. RAIL MOUNTED INSTALLATION: Utilizes rail mounted installation, which is convenient and fast, easy to assemble, and used for circuit fault protection. APPLICABLE TYPE: Rated current is 63A, rated voltage is 500-690V, fuse type is RO16, suitable for RO16 fuse, size 14x51mm fuse core. ABS SHELL: Made of high-quality ABS + pure copper material, flame-retardant and durable, with laser-engraved installation instructions for the fuse core. CIRCUIT ACCESSORY: Mini fuse base, safe and reliable, suitable for power distribution and protection against overload and short-circuit damage. Item Type: Fuse Holder Socket Material: ABS+copper Model: RT18-63X Purpose: Circuit fault protection Rated Current: 63A Rated Voltage: 500-690V Fuse Type: RO16 Applicable Fuse Size: Approx. 14x51mm / 0.6x2.0in Working Instructions: With Light Installation Method: Rail installation, matching RO16 fuse core or 14x51 mm specification fuse core. 6 x Fuse Holders Customers are our top priority. If you find any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.