Fuse disconnector 250A, size 1, 3-pole mounting on Sasy 60i, version FCE XNH1-FCE-S250 183055

Fuse disconnect switch – reliable installation protection

This 3-pole fuse disconnect switch, designed to work with NH1 fuse links, is a key element ensuring safety and continuity of operation in electrical installations. Designed for mounting on SASY 60i rails, it offers a solid construction and high resistance to working conditions. Model XNH1-FCE-S250 with a rated current of 250A is perfect for both industrial and commercial applications.

Functionality and application

This disconnect switch is primarily used in circuits requiring effective protection against overloads and short circuits. Its design allows for connecting wires from the top or bottom, which facilitates installation and adaptation to various installation configurations. The built-in fuse link status control allows for quick identification of damage and minimizes the risk of downtime. Additionally, the blown fuse indication with electronic fuse status monitoring (FCE version) provides precise information about the need for replacement.

• Overload and short-circuit protection: Protects the circuit from the effects of improper operation of the electrical installation.
• Mounting on SASY 60i rails: Enables quick and easy mounting in standard distribution boards.
• Fuse status control: Allows continuous monitoring of the fuse link status and prevents failures.
• Blown fuse indication: Electronic fuse status monitoring informs about the need to replace the fuse link.
• Flexible wire connection: The possibility of connecting wires from the top or bottom facilitates installation in various conditions.
• Short-circuit strength: Provides resistance to high short-circuit currents (up to 120 kA at 500V or 100kA at 690V).
• Rated operating voltage: Designed to operate at voltages up to 500V AC and 440V DC.

Construction and parameters

The disconnect switch is characterized by a solid construction with screw connections, ensuring secure and durable electrical connections. Its short-circuit strength of 120kA (at 500V) guarantees reliable operation even in difficult operating conditions. The rated continuous current is 250A, and the rated short-time withstand current Icw is 6kA. The housing integrated with plug-in connectors provides additional protection and facilitates connection to the system. The device does not have a built-in motor drive or emergency switch or main/safety disconnect function, focusing on the basic function of protecting against overloads and short circuits.