BUSSMANN Semiconductor Fuse: FWH Series, Fast-Acting, 45 A, 500 V AC, 500 V DC DC Volt Rating
The BUSSMANN FWH Series Semiconductor Fuse (MPN FWH-45B) is a fast-acting bolt-on fuse rated at 45 A and 500 V AC/DC. This non-indicating fuse is designed for overcurrent protection in power electronic circuits.
SKU 3G-OTH-25050
Also listed as: FWH45B · FWH 45B
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The BUSSMANN FWH Series Semiconductor Fuse (MPN FWH-45B) is a fast-acting bolt-on fuse rated at 45 A and 500 V AC/DC. This non-indicating fuse is designed for overcurrent protection in power electronic circuits.
Frequently Asked Questions
What is the BUSSMANN FWH-45B semiconductor fuse used for?
The BUSSMANN FWH-45B is a fast-acting bolt-on fuse used for overcurrent protection in power electronic circuits, such as variable frequency drives, rectifiers, and UPS systems. It safeguards sensitive semiconductor devices by clearing faults quickly, preventing damage from short circuits or overloads in industrial equipment.
What are the specifications of the BUSSMANN FWH-45B fuse?
The BUSSMANN FWH-45B is a 45 A, fast-acting, non-indicating semiconductor fuse from the FWH Series. It has a voltage rating of 500 V AC and 500 V DC, with a bolt-on mounting style. The part number is FWH-45B, and it is designed for overcurrent protection in AC/DC circuits.
Where to buy the BUSSMANN FWH-45B fuse worldwide?
You can source the BUSSMANN FWH-45B fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times; we provide competitive pricing and reliable sourcing for this BUSSMANN fuse.
How to select the right BUSSMANN FWH series fuse for your application?
To select the correct BUSSMANN FWH series fuse, match the voltage rating (500 V AC/DC) and current rating (e.g., 45 A for the FWH-45B) to your circuit requirements. Ensure the fast-acting characteristic aligns with the inrush current of your semiconductor devices. Consult the fuse's time-current curve for coordination with upstream protection.
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3G Electric supplies BUSSMANN fast-acting bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
