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MERSEN FUSE A 070 URD 32 KI 0315 A070UD32KI315
High-speed aR characteristic fuse with 315A rating, suitable for semiconductor protection in industrial applications, certified to IEC and UL standards.
£84.99
Why Choose the Mersen P302164 Protistor® High-Speed Fuse?
The Mersen P302164 is a genuine Protistor® square body high-speed semiconductor fuse engineered to provide exceptional protection for power electronic devices operating in demanding industrial environments. Identified by the catalogue number A070UD32KI315, this ultra-fast aR characteristic fuse is specifically designed to protect semiconductors including IGBTs, thyristors and diodes from damaging short-circuit currents.
As part of the renowned Mersen Protistor® size 32 series, the P302164 combines outstanding fault-clearing performance with high breaking capacity, helping maximise equipment reliability while reducing costly downtime. Its robust ceramic body, silver-plated contacts and integrated striker indicator make it ideal for modern power conversion and industrial automation applications.
With a 315 A current rating, 690 V AC IEC and 700 V AC UL voltage rating, the Mersen P302164 delivers dependable semiconductor protection for variable speed drives, UPS systems, converters, motor drives and industrial power supplies.
Key Advantages
- Genuine Mersen Protistor® semiconductor protection fuse.
- 315 A current rating for demanding industrial applications.
- 690 V AC IEC / 700 V AC UL rated operation.
- Ultra-fast aR characteristic for semiconductor protection.
- Integrated striker indicator for rapid fuse status identification.
- High interrupting capacity helps protect valuable power electronics.
Key Features
- Mersen Protistor® Size 32 series.
- Manufacturer part number: P302164.
- Catalogue number: A070UD32KI315.
- 315 A rated current.
- 690 V AC IEC / 700 V AC UL voltage rating.
- aR ultra-fast operating characteristic.
- Square body ceramic construction with silver-plated contacts.
- Short slotted blade terminals with integrated striker.
Advanced Semiconductor Protection
High-speed semiconductor fuses are specifically designed to protect sensitive power electronic components from destructive fault currents before permanent damage can occur. Their exceptionally low let-through energy helps extend equipment life and reduce maintenance costs in demanding industrial installations.
The Mersen Protistor® range is trusted worldwide for protecting variable frequency drives, power converters, UPS systems, soft starters, rectifiers and renewable energy equipment where fast and dependable circuit protection is essential.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and inverters.
- UPS systems.
- Renewable energy converters.
- Semiconductor protection in industrial automation.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | P302164 | |
| Catalogue No | A070UD32KI315 | |
| Description | Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 315A With Striker Slotted Blades short | |
| EAN/UPC Code | 3605340351217 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 315 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 32 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 31.8 kA²s | |
| Melting I2t | 5.2 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 | Slotted Blades | |
| Product Width | 59 mm | |
| Product Length | 134 mm | |
| Product Height | 65 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 1.6569 kg | |
| Sell Pack Width | 160 mm | |
| Sell Pack Length | 195 mm | |
| Sell Pack Height | 72 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.5523 kg | |
| Power Dissipation at Rated Current Value | 71 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen P302164 used for?
The Mersen P302164 protects semiconductor devices such as IGBTs, thyristors and diodes from high fault currents in industrial power conversion equipment.
What is the current rating of the P302164?
The fuse has a 315 A rated current.
What voltage is this fuse designed for?
The P302164 is rated for 690 V AC (IEC) and 700 V AC (UL).
What does the aR characteristic mean?
The aR operating characteristic provides ultra-fast protection specifically for semiconductor devices against short-circuit faults.
Does the fuse include an indicator?
Yes. The P302164 incorporates an integrated striker indicator to simplify fuse monitoring and maintenance.
Trusted Semiconductor Protection Worldwide
Mersen Protistor® semiconductor fuses are widely specified by OEMs, panel builders and industrial engineers to provide dependable protection for modern power electronic equipment and critical industrial applications.
