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MERSEN FUSE 6,9 URD 32 E F 0630 6,9URD32EF0630
High-speed fuse for semiconductor protection with 630A rating, 690VAC (IEC) and 700VAC (UL) voltage ratings, featuring integrated striker and open slot blades for bolted mounting.
£114.11
Why Choose the Mersen Z300172 Protistor® High-Speed Fuse?
The Mersen Z300172 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 power conversion and automation systems where rapid fault interruption and dependable current limitation are essential.
The Z300172 helps reduce the thermal and mechanical energy transferred to semiconductor devices during an electrical fault. Its high-speed operating characteristics support the protection of IGBTs, thyristors, diodes, rectifiers and related power electronic assemblies, helping minimise component damage, maintenance requirements and unplanned equipment downtime.
Designed for demanding industrial environments, the Mersen Z300172 is suitable for integration into compatible fuse assemblies used in motor drives, converters, inverters, uninterruptible power supplies and industrial control equipment. The complete electrical ratings, dimensions and terminal configuration should be confirmed against the 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.
- Designed for demanding industrial power conversion applications.
- Helps improve equipment reliability and reduce costly production downtime.
Key Features
- Mersen Protistor® high-speed fuse technology.
- Manufacturer reference: Z300172.
- Fast operating response for semiconductor circuit protection.
- High current-limiting capability during short-circuit conditions.
- Industrial-grade construction for dependable operation.
- Suitable for coordinated protection of power semiconductor devices.
- Designed for power conversion and automation equipment.
- Suitable for OEM, maintenance and replacement applications.
Reliable Protection for Power Electronics
High-speed semiconductor fuses interrupt short-circuit currents more rapidly than conventional general-purpose fuses. This fast response limits the fault energy reaching sensitive electronic components, where even a short-duration overcurrent can cause permanent damage to semiconductor junctions and associated circuitry.
Mersen Protistor® fuses are designed for coordinated protection within industrial power electronic systems. Selecting the correct fuse reference and electrical rating helps protect valuable equipment, support safe operation and improve the long-term reliability of 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 | Z300172 | |
| Catalogue No | PC32UD69V630EF | |
| Description | Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 630A With Striker Open Slot Blades | |
| EAN/UPC Code | 3605340324228 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 630 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 32 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 310 kA²s | |
| Melting I2t | 54 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 | 59 mm | |
| Product Length | 126 mm | |
| Product Height | 65 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.7148 kg | |
| Sell Pack Width | 160 mm | |
| Sell Pack Length | 202 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.5716 kg | |
| Power Dissipation at Rated Current Value | 105 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen Z300172 used for?
The Mersen Z300172 is a high-speed fuse used to protect sensitive power semiconductor components against damaging short-circuit currents.
Which components can the Z300172 protect?
It is intended for the protection of 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 Z300172?
No. A replacement fuse should match the complete Mersen reference, current and voltage ratings, operating characteristic, dimensions and terminal arrangement.
How should the correct electrical ratings be confirmed?
The rated current, voltage, 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.
