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MERSEN FUSE 6,9 URD 32 E F 0700 6,9URD32EF0700
High-speed fuse providing rapid overcurrent protection for semiconductor devices with a robust ceramic square body, striker indication, and open slot blades for bolted mounting.
£121.18
Why Choose the Mersen A300173 Protistor® High-Speed Fuse?
The Mersen A300173 (PC32UD69V700EF) is a premium Protistor® square body high-speed semiconductor fuse engineered to provide ultra-fast short-circuit protection for sensitive power electronic equipment. Featuring an aR operating characteristic, it is specifically designed to protect IGBTs, thyristors, SCRs and diodes used in demanding industrial power conversion systems.
As part of the trusted Mersen Protistor® Size 32 series, the A300173 combines high interrupting capacity, low let-through energy and robust ceramic construction to minimise equipment damage during fault conditions. Silver-plated contacts, solidified sand technology and an integrated striker indicator provide dependable long-term performance in demanding industrial environments.
With a 700 A current rating and a 690 V AC IEC / 700 V AC UL voltage rating, the A300173 is ideally suited for variable frequency drives, UPS systems, industrial converters, renewable energy equipment and high-power automation installations requiring reliable semiconductor protection.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 700 A rated current for demanding industrial applications.
- 690 V AC IEC / 700 V AC UL rated voltage.
- 200 kA breaking capacity for dependable fault interruption.
- Integrated striker indicator for easy maintenance.
- Silver-plated open slot blade terminals for excellent electrical conductivity.
Key Features
- Mersen Protistor® Size 32 semiconductor fuse.
- Catalogue number: PC32UD69V700EF.
- Item number: A300173.
- 700 A rated current.
- 690 V AC IEC / 700 V AC UL voltage rating.
- aR operating characteristic.
- Open slot blade terminals with striker indicator.
- Designed for protecting IGBTs, thyristors, SCRs and diodes.
Reliable Protection for Power Electronics
High-speed semiconductor fuses are engineered to interrupt fault currents before damaging energy reaches expensive semiconductor devices. Their ultra-fast operation helps improve equipment reliability, reduce maintenance costs and maximise system availability.
The Mersen Protistor® Size 32 range is trusted by OEMs and industrial engineers worldwide for protecting motor drives, UPS systems, renewable energy equipment and industrial power conversion systems where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- UPS systems.
- Renewable energy inverters.
- Industrial automation and power distribution equipment.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | A300173 | |
| Catalogue No | PC32UD69V700EF | |
| Description | Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 700A With Striker Open Slot Blades | |
| EAN/UPC Code | 3605340324242 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 700 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 32 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 440 kA²s | |
| Melting I2t | 76 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 | 110 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen A300173 used for?
The A300173 provides ultra-fast short-circuit protection for semiconductor devices including IGBTs, SCRs, thyristors and diodes used in industrial power electronic equipment.
What is the current rating of the A300173?
The fuse has a 700 A current rating.
What voltage is this fuse designed for?
The A300173 is rated for 690 V AC (IEC) and 700 V AC (UL).
What does the aR fuse characteristic mean?
An aR fuse provides ultra-fast short-circuit protection specifically for semiconductor devices and should be used alongside suitable overload protection.
Where is the A300173 commonly installed?
It is commonly installed in industrial drives, UPS systems, power converters, renewable energy equipment and other semiconductor-based electrical installations.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide for protecting critical power electronic equipment, helping maximise system reliability while reducing maintenance costs and unplanned downtime.
