Specifications:
The document outlines specifications for NH2XLaBat and NH2XLaR-F fuses, rated at 1500V DC with current ratings ranging from 50A to 630A and 125A to 420A respectively. The standard compliance includes GB/T 13539.4 and UL 248-13.

Interrupting Capacity:
The fuses have an interrupting capacity of 150,000 A at 1500V DC.

Technical Parameters:
The document lists part numbers with corresponding current ratings and safety approvals (cURus). Each part number is associated with a specific current rating, ranging from 125A to 420A, and indicates whether it has received safety approval.

Connection Types:
- B: Bolted with central indicator
- C: Bolted connection without central indicator
- U15: Denotes 1500V DC

Class of Operation:
The fuses operate under class aR protection characteristics.

Average I-T Characteristics Curve:
The document provides an average I-T characteristics curve for NH2XLaR-F 1500V, which is for reference only.

Dimensions:
Dimensions are provided in millimeters for different types and part numbers, indicating the physical size of the fuses.

Graphical Data:
A graph is included showing the relationship between current (A) and time (s), illustrating the time-current characteristics for various current ratings (125A, 160A, 200A, etc.).