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MERSEN FUSE 6,9 URB 000 D08 V 125 6,9URB000D08V125
High-speed NH 000 aR fuse rated at 125A and 690VAC with visual indicator and DIN 80 blades for industrial semiconductor protection.
£37.18
Why Choose the Mersen Y330025 Protistor® High-Speed Fuse?
The Mersen Y330025 (Catalogue No. DN000UB69V125V) is a Protistor® NH Size 000 high-speed semiconductor protection fuse designed to provide ultra-fast short-circuit protection for sensitive power electronic devices. Rated at 125 A and 690 V AC (IEC), it is specifically engineered to protect IGBTs, thyristors, diodes and other semiconductor components used in industrial power conversion equipment.
Manufactured using precision die-cut silver fuse elements embedded in solidified sand, the Y330025 delivers exceptionally low let-through energy and high interrupting performance. Silver-plated contact blades and non-magnetic hardware further enhance electrical performance and reliability in demanding industrial environments.
Featuring a visual fuse indicator and DIN 80 blade terminals, the Mersen Y330025 is ideal for industrial drives, UPS systems, converters, rectifiers and renewable energy installations where rapid semiconductor protection is critical.
Key Advantages
- High-speed aR semiconductor protection fuse.
- 125 A rated current for industrial power electronics.
- 690 V AC IEC rated voltage.
- Protects IGBTs, thyristors, diodes and semiconductor assemblies.
- Low let-through energy helps minimise semiconductor damage.
- Visual operation indicator simplifies maintenance.
Key Features
- Mersen Protistor® semiconductor fuse technology.
- NH Size 000 square body construction.
- 125 A rated current.
- 690 V AC IEC / 690 V AC UL rating.
- Ultra-fast aR operating characteristic.
- Visual fuse operation indicator.
- DIN 80 silver-plated blade terminals.
- Suitable for industrial semiconductor protection applications.
Reliable Protection for Industrial Power Electronics
The Mersen Y330025 is engineered to interrupt fault currents within milliseconds, significantly reducing the energy transferred to protected semiconductor devices. This helps prevent costly failures while extending the operational life of industrial power electronic equipment.
Protistor® semiconductor fuses are widely specified by OEM manufacturers and electrical engineers for protecting critical equipment in variable speed drives, converters, UPS systems and renewable energy installations where fast fault clearance is essential.
Typical Applications
- Variable frequency drives.
- Industrial motor control systems.
- Power converters and rectifiers.
- UPS systems.
- Renewable energy inverters.
- Industrial automation equipment.
Technical Specifications
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| Fuse Indication | Visual indicator | |
|---|---|---|
| Fuse Type | D / D0 (Neozed/Diazed), Semiconductor | |
| Fuse Size | NH000 | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | Y330025 | |
| Catalogue No | DN000UB69V125V | |
| Description | Square Body High-Speed Fuse Protistor® Size NH 000 aR 690VAC IEC 125A Visual Indicator DIN 80 Blades | |
| EAN/UPC Code | 3605340360813 | |
| Rated voltage AC UL | 690 V | |
| Rated voltage DC UL | 320 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 125 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | aR | |
| Fuse Size | NH000 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 8900 A²s | |
| Melting I2t | 1310 A²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | Visual Indicator | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | DIN 80 Blades | |
| Product Width | 20 mm | |
| Product Length | 100 mm | |
| Product Height | 38.5 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.3759 kg | |
| Sell Pack Width | 110 mm | |
| Sell Pack Length | 130 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.1253 kg | |
| Power Dissipation at Rated Current Value | 26 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen Y330025 used for?
It provides ultra-fast short-circuit protection for semiconductor devices including IGBTs, thyristors, diodes and rectifiers used in industrial power electronic equipment.
What is the current rating of this fuse?
The Mersen Y330025 has a rated current of 125 A.
What voltage is the Y330025 designed for?
It is rated for 690 V AC applications under both IEC and UL standards, with a UL DC rating of 320 V DC.
What does the aR fuse characteristic mean?
The aR characteristic provides ultra-fast short-circuit protection for semiconductor devices and is intended to be used with suitable overload protection.
Does the Y330025 include a blown fuse indicator?
Yes. The fuse incorporates a visual indicator to simplify inspection and maintenance.
Trusted by Industrial Power Engineers
Mersen Protistor® high-speed semiconductor fuses are trusted worldwide by OEM manufacturers, panel builders and electrical engineers to protect critical power electronic equipment in demanding industrial applications.
