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MERSEN FUSE A 070 URD 32 KI 0400 A070URD32KI0400
High-speed fuse with aR characteristic for semiconductor protection, rated 690VAC IEC, 700VAC UL, 400A, featuring striker with slotted blades and ceramic body.
£91.19
Why Choose the Mersen Z300195 Protistor® High-Speed Fuse?
The Mersen Z300195 is an industrial high-speed semiconductor fuse designed to protect sensitive power electronic components against damaging short-circuit currents. As part of the established Mersen Protistor® range, it is intended for demanding power conversion, motor control and automation equipment where rapid fault interruption is essential.
The Z300195 provides current-limiting protection that helps reduce the thermal and mechanical energy transferred to semiconductor devices during electrical faults. Its fast operating performance supports the protection of IGBTs, thyristors, diodes, rectifiers and associated power electronic assemblies, helping minimise component damage and unplanned equipment downtime.
Designed for industrial power systems, the Mersen Z300195 is suitable for integration into compatible fuse assemblies used in variable frequency drives, converters, inverters, uninterruptible power supplies and other high-power electronic equipment. The complete current rating, voltage rating, dimensions and terminal configuration should be verified against the original fuse marking or official Mersen technical documentation before installation.
Key Advantages
- High-speed semiconductor protection fuse for industrial power electronics.
- Rapid fault interruption helps protect sensitive switching components.
- Current-limiting performance helps reduce short-circuit let-through energy.
- Suitable for protecting IGBTs, thyristors, diodes and rectifier assemblies.
- Industrial-grade construction for demanding operating environments.
- Helps improve system reliability and reduce maintenance downtime.
Key Features
- Mersen Protistor® high-speed fuse technology.
- Manufacturer reference: Z300195.
- Fast operating response for semiconductor circuit protection.
- High current-limiting capability during short-circuit conditions.
- Designed for coordinated protection of power semiconductor devices.
- Suitable for industrial power conversion and automation equipment.
- Robust construction for reliable performance in control panels.
- Suitable for OEM, maintenance and replacement applications.
Reliable Protection for Power Electronics
High-speed semiconductor fuses interrupt fault currents more rapidly than conventional general-purpose fuses. This fast response limits the electrical energy reaching sensitive semiconductor components, where even a brief short circuit can permanently damage switching devices and associated circuitry.
Mersen Protistor® fuses are developed for coordinated protection within industrial power electronic systems. Selecting the correct fuse reference, current rating and voltage rating helps protect valuable equipment while supporting safe, dependable operation across drives, converters and other high-power electronic assemblies.
Typical Applications
- Variable frequency drives and industrial motor drives.
- Power converters and rectifier systems.
- Industrial inverters and switching equipment.
- Uninterruptible power supplies and backup power systems.
- Renewable energy power conversion equipment.
- Industrial automation and electrical control panels.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | Z300195 | |
| Catalogue No | A070UD32KI400 | |
| Description | Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 400A With Striker Slotted Blades short | |
| EAN/UPC Code | 3605340324686 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 400 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 32 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 90 kA²s | |
| Melting I2t | 15 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 | Slotted Blades | |
| Product Width | 59 mm | |
| Product Length | 134 mm | |
| Product Height | 65 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.6569 kg | |
| Sell Pack Width | 160 mm | |
| Sell Pack Length | 195 mm | |
| Sell Pack Height | 72 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.5523 kg | |
| Power Dissipation at Rated Current Value | 75 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen Z300195 used for?
The Mersen Z300195 is a high-speed fuse used to protect sensitive power semiconductor components against damaging short-circuit currents.
Which components can the Z300195 protect?
It is intended for protecting power electronic components such as IGBTs, thyristors, diodes and rectifier assemblies.
Where is this fuse typically installed?
It is typically installed in industrial drives, converters, inverters, UPS equipment and other power electronic systems.
Can a general-purpose fuse replace the Mersen Z300195?
No. A replacement should match the complete Mersen reference, electrical ratings, operating characteristic, dimensions and terminal arrangement.
How should the correct electrical ratings be confirmed?
The current rating, voltage rating, breaking capacity and connection format should be checked against the original fuse marking, equipment documentation or official Mersen technical data before installation.
Trusted for Industrial Power Protection
Mersen Protistor® high-speed fuses are widely specified by equipment manufacturers, panel builders and maintenance engineers for dependable protection of critical power electronic systems.
