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MERSEN FUSE 6,9 URD 33 D08 A 0550 6,9URD33D08A0550
MPN: H300249
Alt. SKU: PC33UD69V550A
Special Price
£104.38
£86.98
Regular Price
£189.77
MERSEN FUSE 6,9 URD 33 D08 A 0550 6,9URD33D08A0550 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 550A With Striker DIN 80 Blades PC33UD69V550A?
Engineered for high-performance industrial protection, this Protistor® fuse provides rapid interruption of short-circuit currents in demanding power electronics, such as drives and UPS systems. Rated for 690VAC to IEC and 700VAC to UL, it ensures compliance and operational safety across global applications.
The robust square body enhances thermal and electrical endurance, while the DIN 80 striker blades enable secure, straightforward installation and reliable fuse status indication. Its 550A rating supports high-capacity circuits, making it the ideal choice for engineers prioritising efficiency, reliability, and minimal downtime.
Product Code: H300249
Key Benefits
- High-speed aR characteristic ensures rapid short-circuit interruption.
- Square body design enhances thermal and electrical endurance.
- DIN 80 striker blades provide secure mounting and clear fuse status indication.
- Rated for both IEC (690VAC) and UL (700VAC) standards for global compatibility.
- Silver-plated copper terminals ensure excellent conductivity and corrosion resistance.
- Ceramic insulating body offers robust mechanical strength and heat resistance.
Compatibility
This fuse is compatible with industrial power electronics equipment requiring semiconductor protection, including variable frequency drives, uninterruptible power supplies (UPS), and other high-capacity AC circuits operating up to 700V. It fits fuse holders and switchgear designed for DIN 80 blade terminals and size 33 fuses.
Applications
- Power electronics protection in industrial automation systems.
- Short-circuit protection in UPS systems.
- Protection of variable frequency drives and motor controllers.
- High-capacity AC circuit protection in manufacturing plants.
- Semiconductor device protection in power distribution panels.
Technical Specifications
- Item number: H300249
- Catalogue No: PC33UD69V550A
- Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 550A With Striker DIN 80 Blades
- EAN/UPC Code: 3605340325713
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 550 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 33
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 155 kA²s
- Melting I2t: 27 kA²s
- AC Max I.R./Breaking Capacity: I1: 200 kA
- Design Details: Standard Terminal
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: DIN 80 Blades
- Product Width: 73 mm
- Product Length: 110 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 2.4369 kg
- Sell Pack Width: 145 mm
- Sell Pack Length: 250 mm
- Sell Pack Height: 90 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.8123 kg
- Power Dissipation at Rated Current Value: 110 W
Frequently Asked Questions
What does the aR speed/characteristic mean?
The aR characteristic indicates a high-speed fuse designed for semiconductor protection, capable of quickly interrupting short-circuit currents to protect sensitive devices.
Is this fuse suitable for DC applications?
No, this fuse is rated for AC applications only, as indicated in the technical specifications.
Can this fuse be used in equipment rated for 700V AC?
Yes, it is rated up to 700V AC according to UL standards and 690V AC per IEC standards, making it suitable for such equipment.
What type of indication system does this fuse have?
It features a striker indication system that provides a clear visual signal when the fuse has operated.
Common Search Terms
Square body high-speed fuse, Protistor fuse size 33, 550A semiconductor fuse, 690VAC fuse IEC, 700VAC fuse UL, DIN 80 blade fuse, aR characteristic fuse, industrial power electronics fuse, UPS protection fuse, drive protection fuse.
| Manufacturer Part Number | H300249 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340325713 |
| Height | 110mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC33UD69V550A |
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