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MERSEN FUSE 6,9 URD 32 D08 A 0630 PC32UD69V630A
The PC32UD69V630A fuse delivers rapid, reliable protection for power semiconductors in demanding industrial applications, featuring high interrupting capacity up to 690VAC (IEC) and 700VAC (UL) at 630A with integrated striker indication and DIN 80 blade terminals.
£108.56
Why Choose the Mersen J300181 Protistor® High-Speed Fuse?
The Mersen J300181 is a Protistor® Size 32 square body high-speed semiconductor fuse engineered to deliver exceptional protection for modern power electronic equipment. Featuring an aR ultra-fast operating characteristic, it is specifically designed to protect IGBTs, thyristors, diodes and other semiconductor devices against damaging short-circuit currents while helping maximise equipment reliability and minimise costly downtime.
Manufactured by Mersen, the J300181 carries catalogue number PC32UD69V630A and forms part of the renowned Protistor® Size 32 series. It features a 630 A current rating, 690 V AC IEC / 700 V AC UL voltage rating and DIN 80 blade terminals with an integrated striker indicator, making it ideal for demanding industrial power conversion applications.
Constructed with a robust ceramic square body, silver-plated contact surfaces and a high 200 kA AC breaking capacity, the J300181 delivers dependable semiconductor protection for variable frequency drives, UPS systems, converters, renewable energy systems and other industrial power electronics.
Key Advantages
- Genuine Mersen Protistor® Size 32 semiconductor fuse.
- 630 A rated current.
- 690 V AC IEC / 700 V AC UL voltage rating.
- aR ultra-fast protection for semiconductor devices.
- High 200 kA AC breaking capacity.
- Integrated striker indicator for simplified maintenance.
- Silver-plated contacts for dependable electrical performance.
- Low I²t helps minimise damage to sensitive power electronics.
Key Features
- Protistor® Size 32 square body construction.
- Catalogue number PC32UD69V630A.
- aR ultra-fast semiconductor protection.
- 630 A current rating.
- 690 V AC IEC / 700 V AC UL rating.
- DIN 80 blade terminals.
- Integrated striker indicator.
- Ceramic body with silver-plated contact surfaces.
- RoHS compliant.
Designed for Critical Power Electronics
The Mersen J300181 is specifically engineered to interrupt high fault currents before they can damage expensive semiconductor devices. Its low let-through energy and ultra-fast operating characteristic help extend equipment life, improve system reliability and reduce maintenance costs across demanding industrial applications.
Protistor® semiconductor fuses are trusted worldwide by OEMs, panel builders and maintenance engineers for protecting industrial drives, converters, UPS systems, renewable energy equipment and other power conversion systems.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- UPS systems.
- Renewable energy inverters.
- Soft starters.
- Industrial power supplies.
- Semiconductor protection systems.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | D / D0 (Neozed/Diazed), Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | J300181 | |
| Catalogue No | PC32UD69V630A | |
| Description | Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 630A With Striker DIN 80 Blades | |
| EAN/UPC Code | 3605340324402 | |
| 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 | DIN 80 Blades | |
| Product Width | 59 mm | |
| Product Length | 110 mm | |
| Product Height | 65 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.5879 kg | |
| Sell Pack Width | 140 mm | |
| Sell Pack Length | 195 mm | |
| Sell Pack Height | 75 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.5293 kg | |
| Power Dissipation at Rated Current Value | 105 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen J300181 used for?
The J300181 is a high-speed semiconductor fuse designed to protect IGBTs, thyristors, diodes and other power electronic devices from short-circuit faults.
What is the current rating of the J300181?
The Mersen J300181 has a rated current of 630 A.
What voltage is this fuse rated for?
It is rated for 690 V AC (IEC) and 700 V AC (UL).
What does the aR fuse characteristic mean?
The aR characteristic provides ultra-fast short-circuit protection specifically for semiconductor devices while allowing normal operating conditions.
Which applications commonly use the J300181?
This fuse is commonly used in variable speed drives, UPS systems, converters, renewable energy inverters and industrial power electronic equipment.
Trusted Semiconductor Protection from Mersen
Mersen Protistor® high-speed semiconductor fuses are trusted worldwide by engineers and OEMs for delivering rapid fault protection that helps maximise equipment reliability in demanding industrial power conversion applications.
