High-speed fuse delivering reliable circuit protection at 1250VAC (IEC) and 1300VAC (UL), rated at 200A with striker indication and open slot blades for bolted mounting.
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Why Choose the Mersen V300605 High-Speed Semiconductor Fuse?
The Mersen V300605 is a premium Protistor® square body high-speed semiconductor fuse designed to provide outstanding protection for sensitive power electronic components operating in high-voltage industrial applications. Engineered with an ultra-fast aR operating characteristic, it helps minimise damage caused by short circuits while ensuring reliable protection for modern power conversion equipment.
As part of the trusted Mersen Protistor® Size 70 series, this fuse is specifically developed for protecting IGBTs, thyristors, diodes, GTOs and other semiconductor devices used in demanding electrical systems. Its low let-through energy and high interrupting capability help maximise equipment uptime while reducing maintenance costs.
Rated at 200 A with a 1250 V AC IEC / 1300 V AC UL voltage rating, the V300605 is ideally suited for high-power converters, renewable energy systems, industrial drives and traction applications. The square body construction with open slot blade terminals and integrated striker indicator enables reliable installation and straightforward maintenance.
Key Advantages
Ultra-fast aR semiconductor fuse for protecting sensitive power electronics.
200 A current rating for demanding industrial applications.
1250 V AC IEC / 1300 V AC UL voltage rating.
Designed to protect IGBTs, thyristors, diodes and GTO devices.
Low I²t performance reduces stress on semiconductor components.
Integrated striker indicator simplifies maintenance and monitoring.
Key Features
Mersen Protistor® Size 70 semiconductor fuse.
200 A rated current.
1250 V AC IEC / 1300 V AC UL voltage rating.
aR ultra-fast operating characteristic.
Square body construction.
Open slot blade terminals.
Integrated striker indicator.
Silver-plated contact surfaces for excellent electrical conductivity.
Technical Specifications
Manufacturer: Mersen
Series: Protistor® Size 70 aR
Model: V300605
Catalogue number: PC70UD13C200EF
Product type: High-speed semiconductor fuse
Fuse characteristic: aR ultra-fast acting
Current rating: 200 A
Voltage rating (IEC): 1250 V AC
Voltage rating (UL): 1300 V AC
Body style: Square body Size 70
Termination: Open slot blade terminals
Indicator: Striker
RoHS compliant: Yes
Reliable Protection for High-Power Electronics
High-speed semiconductor fuses are specifically engineered to interrupt fault currents before they can damage expensive semiconductor devices. Their ultra-fast operation limits thermal and electrical stress, helping extend the life of industrial drives, converters, UPS systems and renewable energy equipment.
The Mersen Protistor® Size 70 range is widely specified by OEMs and system designers for high-voltage power conversion equipment where dependable semiconductor protection and high interrupting performance are essential.
Typical Applications
Industrial power converters.
Variable frequency drives.
Medium-voltage motor drives.
Renewable energy inverters.
UPS systems.
Traction and rail equipment.
Industrial automation systems.
Technical Specifications
Voltage
200 V
Item number
V300605
Catalogue No
PC70UD13C200EF
Description
Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 200A With Striker Open Slot Blades
EAN/UPC Code
3605340330908
Rated voltage AC UL
1300 V
Rated voltage AC IEC
1250 V
Ampere Rating
200 A
AC or DC
AC
Speed/Characteristic
aR
Fuse Size
70
Mounting
Bolted
Clearing I2t At Rated Voltage
38000 A²s
Melting I2t
4730 A²s
AC Max I.R./Breaking Capacity
I1: 126 kA
Indication System
Yes
Indication System Type
Striker
Connection/Terminal Material
Silver-Plated Copper
Connection/Terminal Type
Open Slot Blades
Product Width
39.8 mm
Product Length
123.4 mm
Product Height
49.5 mm
Sell Pack Quantity
3 EA
Sell Pack Weight
1.074 kg
Sell Pack Width
127 mm
Sell Pack Length
137 mm
Sell Pack Height
65 mm
Product group
Semiconductor Protection Fuses
Body/Insulating Material
Ceramic
Product Weight
0.358 kg
Power Dissipation at Rated Current Value
56 W
HS Code
85351000
Frequently Asked Questions
What is the Mersen V300605 used for?
The V300605 protects high-value semiconductor devices such as IGBTs, thyristors, diodes and GTOs from damaging short-circuit currents in industrial power electronic equipment.
What is the current rating of this fuse?
The Mersen V300605 has a 200 A current rating.
What voltage is the fuse rated for?
The fuse is rated for 1250 V AC (IEC) and 1300 V AC (UL).
What does the aR characteristic mean?
The aR operating characteristic provides ultra-fast short-circuit protection specifically for semiconductor devices while allowing normal operating conditions.
Where is the V300605 commonly installed?
The fuse is commonly installed in industrial drives, power converters, renewable energy systems, UPS equipment and other high-power semiconductor applications.
Trusted for Critical Power Protection
Mersen Protistor® semiconductor fuses are trusted worldwide by equipment manufacturers and industrial engineers for delivering dependable protection of critical semiconductor devices in demanding power conversion applications.
Voltage
200 V
Item number
V300605
Catalogue No
PC70UD13C200EF
Description
Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 200A With Striker Open Slot Blades
EAN/UPC Code
3605340330908
Rated voltage AC UL
1300 V
Rated voltage AC IEC
1250 V
Ampere Rating
200 A
AC or DC
AC
Speed/Characteristic
aR
Fuse Size
70
Mounting
Bolted
Clearing I2t At Rated Voltage
38000 A²s
Melting I2t
4730 A²s
AC Max I.R./Breaking Capacity
I1: 126 kA
Indication System
Yes
Indication System Type
Striker
Connection/Terminal Material
Silver-Plated Copper
Connection/Terminal Type
Open Slot Blades
Product Width
39.8 mm
Product Length
123.4 mm
Product Height
49.5 mm
Sell Pack Quantity
3 EA
Sell Pack Weight
1.074 kg
Sell Pack Width
127 mm
Sell Pack Length
137 mm
Sell Pack Height
65 mm
Product group
Semiconductor Protection Fuses
Body/Insulating Material
Ceramic
Product Weight
0.358 kg
Power Dissipation at Rated Current Value
56 W
HS Code
85351000
No documents available for this product.
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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...