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MERSEN FUSE 6,9 URZ 17 P 50 BS17UZ69V50P
MPN: Z221259
Alt. SKU: BS17UZ69V50P
Why Choose the Protistor® 17x49 aR 690VAC IEC 50A With Striker BS17UZ69V50P?
This British Standard fuse-link delivers reliable aR-class protection for semiconductor applications, rated at 690VAC and 50A. Engineered in a compact 17x49mm design, it features a built-in striker for direct signalling, ensuring rapid fault indication and improved operational safety.
Manufactured to comply with IEC standards, the Protistor® guarantees consistent performance and long service life in demanding industrial environments. Its robust construction and precise interrupting capability minimise downtime, supporting critical power and control circuits.
Product Code: Z221259
Key Benefits
- Reliable aR-class semiconductor protection for sensitive applications
- Compact 17x49mm size for space-saving installations
- Built-in striker indication system for rapid fault signalling
- High breaking capacity of 200 kA ensures safe interruption of faults
- Compliance with IEC standards guarantees quality and safety
- Ceramic body for enhanced durability and thermal resistance
Compatibility
This fuse-link is compatible with fuse holders and switchgear designed for 17x49mm British Standard fuses. It is suitable for use in industrial control panels, power distribution systems, and semiconductor protection circuits requiring aR characteristics and 50A ratings.
Applications
- Protection of semiconductor devices such as thyristors and diodes
- Industrial motor control and power electronics
- Power distribution and control circuits in manufacturing plants
- Renewable energy systems requiring reliable semiconductor protection
- Automation and process control equipment
Technical Specifications
- Item number: Z221259
- Catalogue No: BS17UZ69V50P
- Description: British Standard fuse-link Protistor® 17x49 aR 690VAC IEC 50A With Striker
- EAN/UPC Code: 3605340251616
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 50 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 17x49
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 970 A²s
- Melting I2t: 155 A²s
- AC Max I.R./Breaking Capacity: I1: 200 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Copper
- Connection/Terminal Type: L Brackets
- Product Diameter: 18.5 mm
- Product Width: 27 mm
- Product Length: 77.2 mm
- Product Height: 24 mm
- Sell Pack Quantity: 10 EA
- Sell Pack Weight: 0.5 kg
- Sell Pack Width: 110 mm
- Sell Pack Length: 250 mm
- Sell Pack Height: 30 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.05 kg
- Power Dissipation at Rated Current Value: 17 W
Frequently Asked Questions
What does the aR characteristic mean?
The aR characteristic indicates that the fuse is designed for semiconductor protection, with partial-range breaking capability suitable for high inrush currents typical of semiconductor devices.
Is the built-in striker compatible with all signalling devices?
The built-in striker is designed to work with standard striker indication systems commonly used in industrial fuse holders for rapid fault signalling.
Can this fuse be used in DC circuits?
No, this fuse is rated for AC applications only, as indicated in the technical specifications.
What is the breaking capacity of this fuse?
The fuse has a maximum breaking capacity of 200 kA at rated voltage, ensuring safe interruption of high fault currents.
Common Search Terms
Protistor fuse 17x49, 50A semiconductor fuse, aR fuse-link, 690VAC fuse, British Standard fuse-link, fuse with striker indication, industrial semiconductor protection fuse
| Manufacturer Part Number | Z221259 |
|---|---|
| Packed Quantity | 10 |
| Barcode | 3605340251616 |
| Height | 77.2mm |
| Width | 27mm |
| Depth | 24mm |
| HS Code | 85361050 |
| Manufacturer | Mersen |
| Alternative Product SKU | BS17UZ69V50P |