Emerson NFS 815 1321/010 Circuit Breaker 10A Power Control & Fuse Module

The Emerson NFS 815 1321/010 is a high-reliability 10-Ampere magnetic-hydraulic circuit breaker designed for integration into Power Control & Fuse Modules within NetSure DC power plants and distribution systems. This module provides essential overcurrent protection for telecommunications infrastructure, ensuring the safety of connected loads such as mid-range networking equipment, radio units, and cooling assemblies. The magnetic-hydraulic trip mechanism is specifically engineered to maintain a precise trip point that is independent of ambient temperature variations, making it ideal for use in both climate-controlled data centers and rugged outdoor telecommunications cabinets. Designed for DC applications up to 80V, the NFS 815 1321/010 features enhanced arc-extinguishing technology to safeguard internal contacts during high-current fault conditions. Its compact, slimline form factor enables high-density installation in distribution panels, maximizing the efficiency of the power shelf layout. The module includes a manual toggle-style actuator that provides clear visual status of the circuit (ON, OFF, or Tripped) and allows for safe manual disconnection during maintenance procedures. High-quality plug-in or bolt-on terminals ensure low contact resistance and minimize heat generation under continuous load.
Built to carrier-grade specifications, this circuit breaker is compliant with international safety standards, including UL and IEC requirements for telecommunications and industrial power systems. The "trip-free" safety design ensures that the circuit will be interrupted during an overload or short circuit, even if the actuator handle is physically obstructed. The robust mechanical construction is resistant to the vibrations and shocks typical of industrial environments. This 10A module is a critical component for achieving granular circuit protection, facilitating easy fault isolation and maintaining high system availability in complex DC power networks.