Why Choose the Mersen NH1UD69V160PV High-Speed Semiconductor Fuse?
The Mersen NH1UD69V160PV is a robust NH Size 1 high-speed semiconductor fuse designed to protect sensitive power electronic components against damaging short-circuit currents. Its ultra-rapid operating characteristics help limit peak fault current and reduce the thermal energy transferred to semiconductor devices during an electrical fault.
Developed for demanding industrial power-conversion systems, the NH1UD69V160PV is suitable for protecting components such as diodes, thyristors, rectifiers, inverters and variable-speed drive assemblies. Its NH blade-contact construction provides a secure electrical connection and allows installation in compatible NH Size 1 fuse bases and switch-fuse equipment.
With a rated current of 160 A and a nominal voltage rating of 690 V AC, this Mersen fuse provides dependable current-limiting protection for industrial equipment. Its visual indication system helps maintenance engineers identify an operated fuse quickly, supporting efficient fault diagnosis and reduced equipment downtime.
Designed for professional industrial installations.
Reliable Protection for Industrial Power Electronics
Power semiconductor devices can be permanently damaged within milliseconds when exposed to excessive fault current. The Mersen NH1UD69V160PV is designed to interrupt serious short circuits rapidly, limiting the peak current and I²t energy reaching connected electronic components.
Correct fuse selection should consider the circuit voltage, continuous operating current, prospective short-circuit current, duty cycle and energy-withstand capability of the protected semiconductor. A standard general-purpose NH fuse should not be used as a direct substitute unless its suitability has been confirmed by the equipment manufacturer.
Typical Applications
Variable frequency drives and motor-control systems.
Industrial inverters and power converters.
Rectifier and thyristor protection circuits.
Uninterruptible power supply systems.
Battery chargers and DC power equipment.
Renewable energy conversion systems.
Industrial automation and control panels.
Technical Specifications
Item number
C320369
Catalogue No
NH1UD69V160PV
Description
Square Body High-Speed Fuse Protistor® NH Size 1 aR 690VAC IEC 700VAC UL 160A With Double indicator Plain Blades
EAN/UPC Code
8430399015712
Rated voltage AC UL
700 V
Rated voltage AC IEC
690 V
Ampere Rating
160 A
AC or DC
AC
Speed/Characteristic
aR
Fuse Size
NH1
Mounting
Clip
Clearing I2t At Rated Voltage
6270 A²s
Melting I2t
1170 A²s
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
40 mm
Product Length
135 mm
Product Height
64 mm
Sell Pack Quantity
3 EA
Sell Pack Weight
1.26 kg
Sell Pack Width
125 mm
Sell Pack Length
140 mm
Sell Pack Height
70 mm
Product group
Semiconductor Protection Fuses
Body/Insulating Material
Ceramic
Product Weight
0.42 kg
Power Dissipation at Rated Current Value
58 W
HS Code
85361090
Country of Manufacture
Tunisia
Frequently Asked Questions
What is the Mersen NH1UD69V160PV used for?
The NH1UD69V160PV is a high-speed fuse designed to protect compatible semiconductor devices and industrial power electronic equipment against damaging short-circuit currents.
What is the current rating of this fuse?
The Mersen NH1UD69V160PV has a rated current of 160 A.
What voltage is the NH1UD69V160PV rated for?
The fuse has a nominal voltage rating of 690 V AC.
What fuse size is the Mersen NH1UD69V160PV?
This model uses the standard NH Size 1 blade-contact format and should be installed in a compatible NH1 fuse base.
Can a general-purpose NH fuse replace this semiconductor fuse?
A general-purpose fuse should not be used as a direct replacement unless compatibility has been confirmed. High-speed semiconductor fuses have specialised current-limiting characteristics designed to protect sensitive power electronic components.
Trusted by Industrial Engineers Worldwide
Mersen Protistor® high-speed fuses are widely used by OEMs, panel builders and maintenance engineers to provide dependable protection for critical semiconductor devices in demanding industrial power electronic systems.
Item number
C320369
Catalogue No
NH1UD69V160PV
Description
Square Body High-Speed Fuse Protistor® NH Size 1 aR 690VAC IEC 700VAC UL 160A With Double indicator Plain Blades
EAN/UPC Code
8430399015712
Rated voltage AC UL
700 V
Rated voltage AC IEC
690 V
Ampere Rating
160 A
AC or DC
AC
Speed/Characteristic
aR
Fuse Size
NH1
Mounting
Clip
Clearing I2t At Rated Voltage
6270 A²s
Melting I2t
1170 A²s
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
40 mm
Product Length
135 mm
Product Height
64 mm
Sell Pack Quantity
3 EA
Sell Pack Weight
1.26 kg
Sell Pack Width
125 mm
Sell Pack Length
140 mm
Sell Pack Height
70 mm
Product group
Semiconductor Protection Fuses
Body/Insulating Material
Ceramic
Product Weight
0.42 kg
Power Dissipation at Rated Current Value
58 W
HS Code
85361090
Country of Manufacture
Tunisia
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...