High-speed semiconductor protection fuse with striker indication and open slot blades, rated 200A for AC applications up to 700V UL and 690V IEC.
£114.51
The Mersen N300093 is an industrial electrical fuse designed to protect compatible circuits and equipment against potentially damaging overcurrent and short-circuit conditions. Manufactured by Mersen, a recognised specialist in electrical power protection, this fuse is suitable for professional maintenance, repair and replacement applications.
When electrical current exceeds the fuse’s specified operating limits, the Mersen N300093 provides a controlled interruption point within the circuit. This helps protect cables, control components, power electronics and other connected equipment while reducing the risk of a localised electrical fault causing more extensive damage.
The N300093 fuse is intended for use within a compatible fuse holder, switchgear assembly or industrial circuit protection system. Before installation, the rated current, rated voltage, fuse utilisation category, breaking capacity, terminal configuration and physical dimensions should be checked against the original component and the equipment manufacturer’s documentation.
Industrial fuses form an essential part of an electrical protection strategy. When excessive current passes through a correctly selected fuse, its internal element operates and disconnects the affected circuit, helping protect wiring, equipment and surrounding components from further electrical or thermal damage.
Replacement fuses must match the electrical characteristics and physical configuration specified by the equipment manufacturer. The Mersen N300093 reference, current rating, voltage rating, utilisation category, breaking capacity and connection arrangement should therefore be verified before the circuit is energised.
| Item number | N300093 |
|---|---|
| Catalogue No | PC30UD69V200EF |
| Description | Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 200A With Striker Open Slot Blades |
| EAN/UPC Code | 3605340323382 |
| Rated voltage AC UL | 700 V |
| Rated voltage AC IEC | 690 V |
| Ampere Rating | 200 A |
| RoHS Compliant | Yes |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 30 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 16.7 kA²s |
| Melting I2t | 3 kA²s |
| AC Max I.R./Breaking Capacity | I1: 200 kA |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Copper |
| Connection/Terminal Type | Open Slot Blades |
| Product Width | 40 mm |
| Product Length | 100 mm |
| Product Height | 48 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 0.7959 kg |
| Sell Pack Width | 140 mm |
| Sell Pack Length | 143 mm |
| Sell Pack Height | 65 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.2653 kg |
| Power Dissipation at Rated Current Value | 43 W |
| HS Code | 85361090 |
| Country of Manufacture | France |
The Mersen N300093 is used to protect compatible industrial electrical circuits and equipment against excessive current and short-circuit faults.
Yes. It can be used where Mersen N300093 is the specified reference, provided its electrical ratings, fuse class, dimensions and terminal configuration match the original component.
Compare the product reference, rated current, rated voltage, utilisation category, breaking capacity, dimensions and terminal format with the original fuse and the equipment manufacturer’s documentation.
The correct fuse rating ensures that the circuit receives its intended level of protection. A fuse with an unsuitable rating may operate unnecessarily or fail to interrupt a dangerous fault quickly enough.
The fuse should be selected and installed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical safety requirements.
Mersen electrical protection products are used by engineers, equipment manufacturers and maintenance professionals to support dependable fault protection in industrial power, control and automation systems.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...