Mersen PC32UD69V550EF Protistor Fuse, 550A 690V AC, Size 32 aR, High-Speed Square Body with EF Bolted Blades
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The Mersen PC32UD69V550EF, order code Y300171, is a Size 32 aR semiconductor fuse rated at 550 A and 690 VAC under IEC ratings. It features Type EF blades for bolted connections, a 200 kA AC breaking capacity, and pre-arcing I²t of 37 kA²s for power semiconductor protection.
| Brand | Mersen |
| Product ID (MPN) | PC32UD69V550EF |
| Order Code | Y300171 |
| Product Category | Semiconductor Fuse |
| Utilization Category | aR |
| Rated Current | 550 A |
| Rated Voltage AC (IEC) | 690 V |
| Rated Voltage AC (UL) | 700 V |
| Rated Breaking Capacity AC | 200 kA |
| Pre-Arcing I²t | 37 kA²s |
| Clearing I²t at Rated Voltage | 215 kA²s |
| Power Dissipation at Rated Current | 95 W |
| Fuse Size | Size 32 |
| Terminal Type | Type EF Blades for Bolted Connections |
| Terminal Design | Standard Terminal |
| Contact and Internal Materials | Silver-Plated Contact Surfaces, Non-Magnetic Hardware, Solidified Sand |
| Standards | IEC 60269-4, VDE 636-23 |
| UL Certification | Yes |
| Weight | 0.57 kg |
Typical applications include semiconductor protection in inverters, motor drives, and uninterruptible power supply systems operating up to the verified voltage ratings. Confirm the aR characteristic, 550 A current rating, Size 32 format, EF blade configuration, and I²t values against the original equipment requirements.
Apexon Supply provides B2B sourcing and replacement support for the Mersen PC32UD69V550EF, helping procurement and maintenance teams review verified specifications and confirm technical alignment for industrial power systems.
Send the MPN, order code, required quantity, and application requirements to request a B2B quote and replacement sourcing support.
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