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MERSEN FUSE 6,9 URD 32 E F 0900 6,9URD32EF0900
The Protistor® PC32UD69V900EF offers rapid, reliable protection for sensitive power electronics in demanding industrial environments, supporting operational voltages up to 690VAC (IEC) and 700VAC (UL) with a high 900A rating. Its aR characteristic ensures effective circuit safeguarding against short-circuit events, minimising downtime and reducing risk to critical equipment.
£138.47
Why Choose the Mersen C300175 PC32UD69V900EF High-Speed Fuse?
The Mersen C300175 PC32UD69V900EF is a premium square body high-speed semiconductor fuse from the Mersen Protistor® Size 32 aR series, designed to provide ultra-fast protection for sensitive semiconductor devices including IGBTs, thyristors, diodes and rectifiers. It delivers dependable protection for modern power conversion equipment operating in demanding industrial environments.
Manufactured using precision die-cut silver fuse elements embedded in solidified silica sand, the fuse offers excellent current limiting performance, low let-through energy and a high interrupting capacity. Silver-plated contact surfaces and non-magnetic hardware provide reliable long-term performance, while the integrated striker indicator enables straightforward fuse monitoring and maintenance.
With a 900 A current rating, 690 V AC IEC and 700 V AC UL voltage ratings, the C300175 is ideally suited for high-power drives, converters, UPS systems, renewable energy installations and industrial automation equipment requiring dependable semiconductor protection.
Key Advantages
- Ultra-fast aR semiconductor fuse for critical power electronics.
- 900 A rated current for high-power industrial applications.
- 690 V AC IEC / 700 V AC UL voltage ratings.
- 200 kA breaking capacity for severe fault conditions.
- Integrated striker indicator for remote fuse monitoring.
- Open-slot blade terminals provide secure bolted installation.
Key Features
- Mersen Protistor® Size 32 aR series.
- 900 A rated current.
- 690 V AC IEC / 700 V AC UL.
- Square body ceramic fuse construction.
- Open-slot blade terminals.
- Integrated striker indication.
- Current-limiting design with low I²t characteristics.
- Designed specifically for semiconductor protection.
Reliable Protection for High-Power Electronics
High-speed semiconductor fuses are engineered to interrupt fault currents before sensitive electronic devices can suffer thermal or electrical damage. Their rapid operation reduces fault energy, improves equipment reliability and helps minimise costly downtime in demanding industrial power conversion systems.
The Mersen Protistor® Size 32 range is trusted worldwide by OEMs, panel builders and industrial engineers for protecting converters, drives, UPS systems and renewable energy installations where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives.
- Industrial converters.
- UPS systems.
- Renewable energy inverters.
- Motor control centres.
- Industrial automation equipment.
Technical Specifications
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| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | C300175 | |
| Catalogue No | PC32UD69V900EF | |
| Description | Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 900A With Striker Open Slot Blades | |
| EAN/UPC Code | 3605340324280 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 900 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 32 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 990 kA²s | |
| Melting I2t | 170 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 | 125 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen C300175 used for?
It provides ultra-fast short-circuit protection for semiconductor devices including IGBTs, thyristors, diodes and rectifiers used in industrial power conversion equipment.
What is the current rating of this fuse?
The Mersen C300175 has a rated current of 900 A.
What voltage is this fuse designed for?
It is rated for 690 V AC (IEC) and 700 V AC (UL) applications.
Does this fuse include a striker indicator?
Yes. The fuse incorporates an integrated striker indicator for fuse status indication and optional remote monitoring.
Where is this fuse commonly installed?
It is commonly installed in industrial drives, converters, UPS systems, renewable energy equipment and other semiconductor-based power conversion systems.
Trusted for Semiconductor Protection Worldwide
Mersen Protistor® high-speed semiconductor fuses are trusted worldwide by OEMs, machine builders and industrial engineers to provide dependable protection for critical power electronic equipment.
