Why Choose the Mersen E300016 Protistor® High-Speed Fuse?
The Mersen E300016 (catalogue number PC31UD69V550A) is a Protistor® Size 31 square body high-speed semiconductor fuse engineered to provide ultra-fast protection for modern power electronic equipment. Featuring an aR ultra-fast operating characteristic, it is specifically designed to protect sensitive semiconductor devices such as IGBTs, thyristors and diodes against damaging short-circuit currents.
Rated at 550A, with a 690VAC (IEC) and 700VAC (UL) voltage rating, the E300016 delivers exceptional current-limiting performance and a high 200kA interrupting rating. Its square ceramic body incorporates DIN 80 blade terminals, silver-plated contact surfaces and robust construction for dependable operation in demanding industrial environments.
Manufactured by Mersen, a global leader in electrical protection, the E300016 forms part of the renowned Protistor® range, trusted worldwide for protecting critical power conversion equipment whilst reducing downtime and minimising damage to expensive semiconductor components.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- Protects IGBTs, thyristors, diodes and other power semiconductor devices.
- 550A continuous current rating.
- 690VAC IEC / 700VAC UL voltage ratings.
- High 200kA interrupting capacity.
- Excellent current-limiting performance with low let-through energy.
- Silver-plated contacts for reliable electrical performance.
- Manufactured by Mersen, a trusted global protection specialist.
Key Features
- Mersen Protistor® Size 31 semiconductor fuse.
- Manufacturer reference E300016.
- Catalogue number PC31UD69V550A.
- aR ultra-fast operating characteristic.
- Square body ceramic construction.
- DIN 80 blade terminals.
- Silver-plated contact surfaces.
- Current-limiting design.
- Designed for semiconductor protection.
- RoHS compliant.
Designed for Critical Power Electronics
Protistor® semiconductor fuses are engineered to interrupt fault currents before sensitive power electronic devices suffer irreversible damage. Their low let-through energy helps reduce thermal stress, extend equipment life and minimise maintenance costs in demanding industrial installations.
The Mersen E300016 is ideally suited to industrial drives, converters, UPS systems, renewable energy installations and other high-power semiconductor applications where dependable fault protection is essential.
Typical Applications
- Variable frequency drives.
- Industrial motor drives.
- Power converters.
- Rectifiers.
- Renewable energy inverters.
- UPS systems.
- Battery energy storage systems.
- Industrial automation equipment.
