MERSEN Fuse: Class L, A4BY Series, Bolt-On Body, Time-Delay, 650 A, 600 V AC
The MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY650) is a 650 A, 600 V AC, 300 V DC industrial fuse with a bolt-on body. This time-delay fuse is designed for overcurrent protection in electrical circuits.
SKU 3G-OTH-27688
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 MERSEN A4BY Series Class L Time-Delay Bolt-On Fuse (MPN A4BY650) is a 650 A, 600 V AC, 300 V DC industrial fuse with a bolt-on body. This time-delay fuse is designed for overcurrent protection in electrical circuits.
Frequently Asked Questions
What is the MERSEN A4BY650 fuse used for?
The MERSEN A4BY650 is a 650 A, 600 V AC / 300 V DC Class L time-delay bolt-on fuse used for overcurrent protection in industrial electrical circuits. It is commonly applied in feeder circuits, motor control centers, and switchgear where high-current, time-delay characteristics are needed to handle inrush currents.
What are the specifications of the MERSEN A4BY650 fuse?
The MERSEN A4BY650 is a Class L, A4BY Series, bolt-on body, time-delay fuse rated at 650 A, 600 V AC, and 300 V DC. It is designed for overcurrent protection in industrial electrical systems. The manufacturer part number is A4BY650.
Where to buy the MERSEN A4BY650 fuse worldwide?
3G Electric supplies the MERSEN A4BY650 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this Class L time-delay bolt-on fuse.
How to select the correct MERSEN A4BY650 fuse for an application?
To select the correct MERSEN A4BY650 fuse, verify your circuit's continuous current rating (650 A maximum), system voltage (600 V AC or 300 V DC), and available fault current. The time-delay characteristic is suitable for loads with high inrush, such as motors or transformers. Always consult a qualified engineer for proper coordination.
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3G Electric supplies MERSEN time-delay bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
