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The NH2UD69V630PV fuse provides reliable circuit protection for demanding industrial applications, featuring rapid-response aR characteristics optimised for semiconductor protection. Its 690VAC IEC and 700VAC UL ratings ensure safe operation in high-voltage environments.
£94.87
The Mersen NH2UD69V630PV is a high-performance NH size 2 high-speed fuse link designed to protect power semiconductor devices and industrial power electronic equipment against damaging short-circuit currents. Manufactured by Mersen, it provides rapid fault interruption and effective current limitation for demanding motor-control, power conversion and automation applications.
Its ultra-fast operating characteristics help minimise peak fault current and reduce the let-through energy reaching sensitive downstream components. This is particularly important in circuits containing diodes, thyristors, rectifiers, insulated-gate bipolar transistors and other semiconductor devices that can be damaged by brief, high-energy fault conditions.
With a rated current of 630 A and a rated voltage of up to 690 V AC, the NH2UD69V630PV is suitable for high-power variable frequency drives, industrial inverters, rectifiers and power converters. Its standard NH2 blade-contact format enables secure installation in compatible NH fuse bases and switch-disconnector assemblies.
High-speed fuse links such as the Mersen NH2UD69V630PV are engineered to interrupt severe fault currents more rapidly than conventional general-purpose fuse links. Their fast response limits the amount of electrical energy that reaches sensitive downstream components during a short circuit.
This current-limiting performance is particularly valuable in variable frequency drives, rectifiers, inverters and other power electronic systems where semiconductor devices can fail following even a brief overcurrent event. Correct fuse selection helps improve equipment reliability, reduce unplanned downtime and minimise the risk of costly component damage.
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Size | NH2 | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | H320489 | |
| Catalogue No | NH2UD69V630PV | |
| Description | Square Body High-Speed Fuse Protistor® NH Size 2 aR 690VAC IEC 700VAC UL 630A With Double indicator Plain Blades | |
| EAN/UPC Code | 8430399015859 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 630 A | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | NH2 | |
| Mounting | Clip | |
| Clearing I2t At Rated Voltage | 315 kA²s | |
| Melting I2t | 58.6 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 170 kA | |
| Indication System | Yes | |
| Indication System Type | Double indicator | |
| Connection/Terminal Material | Brass | |
| Connection/Terminal Type | Plain Blades | |
| Product Width | 52 mm | |
| Product Length | 150 mm | |
| Product Height | 74 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.86 kg | |
| Sell Pack Width | 155 mm | |
| Sell Pack Length | 162 mm | |
| Sell Pack Height | 80 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.62 kg | |
| Power Dissipation at Rated Current Value | 169 W | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
This fuse provides rapid short-circuit protection for power semiconductor devices used in industrial drives, inverters, rectifiers and power conversion equipment.
The Mersen NH2UD69V630PV has a rated current of 630 A.
The NH2UD69V630PV is rated for operation at up to 690 V AC.
This fuse uses the standard NH size 2 format with blade contacts for installation in a compatible NH fuse base or switch disconnector.
Yes. Its high-speed current-limiting characteristics make it suitable for protecting sensitive power semiconductor components used in variable frequency drives and similar high-power electronic equipment.
Mersen high-speed fuse links are selected by electrical engineers, panel builders and equipment manufacturers to provide dependable protection for semiconductor devices and high-power industrial electrical systems.
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