022501.5H

022501.5H Fuses:

022501.5H fuses are a type of low energy fuse, mainly used in low copper and aluminum busbar applications. Designed to provide low resistance connection in electrical circuits, they are suitable for motor control, DC and AC equipment, motor control centres, and feeders.

022501.5H fuses feature a hollow, cylindrical metal base and a grooved tank. They’re available in two- and four-pole sizes, with ratings from 5A to 400A, and some types can also be connected in series. They’re rated for up to 600 V, and their time-delay feature is adjustable via a built-in calibration system.

022501.5H fuses also have a built-in Ground Fault Circuit Interrupter (GFCI). This device monitors for ground faults or short-circuits, and immediately trips on contact. It prevents risk of electrocution and costly damage to equipment or property caused by electrical shocks.

Working Principle:

022501.5H fuses operate by sensing a sudden increase in current, which can indicate a short-circuit or overload. The increase in current causes a built-in bimetallic element to rapidly heat up and deform, causing the fuse element to break and interrupt the circuit. The breaking of the fuse element must be fast enough that the current is dispersed without causing an electrical arc or an overvoltage.

The 022501.5H also offers protection against overvoltage due to surge or spikes, through its patented design. A double-break system is used to interrupt the circuit without generating an arc. The first break occurs inside the fuse element, and then the second break occurs between the two poles. By doing this, the fuses are able to safely control the higher fault current due to an overvoltage.

022501.5H fuses are designed to work in extreme environments, managing with moisture, dust, vibration, and even outdoor temperatures that range from -50°C to +85°C. The patented mechanism employed by these fuses allows them to remain stable under high vibration or shock. This is particularly beneficial in motor control circuits.

022501.5H fuses are UL listed type 1, providing uniform installation and reliable performance. They provide excellent overload and short-circuit protection, and are available in a wide variety of sizes. The ease of installation, the clearance Class A material, and the device’s ability to perform in extreme environments have made 022501.5H fuses a popular choice among panel builders and electricians.