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- A: 400
- AC: 600 V
- DC: 300 V
- Class: L
- Series: A4BY
- Body Style: Bolt-On
Specifications
| Part Number | A4BY400 |
| Brand | Mersen |
| Item | Fuse |
| A | 400 |
| AC | 600 V |
| DC | 300 V |
| Class | L |
| Series | A4BY |
| Body Style | Bolt-On |
| Fits Fuse Block Style | Non-Rejection |
| Interrupt Rating | 100kA at 300V DC, 200kA at 600V AC |
| Fuse Size | 8-5/8 in L x 2 in dia |
| Length | 8 5/8 in |
| Diameter | 2 in |
| Equivalent Brand and Series Bussmann | KLU |
| Bussmann | KTU |
| Littelfuse | KLLU |
| Littelfuse | KLPC |
| Mersen/Ferraz Shawmut | A4BY |
| Equivalent Series | A4BY |
| Compatible Fuse Block Series | Not Applicable |
| Body Material | Glass, Melamine |
| Features | Non-Indicating, Time-Delay, KLLU, KLPC, KLU, KTU |
Description
The Mersen A4BY400 is a 400A, 600V AC Class L fuse with a time-delay, non-indicating design. It has a bolt-on body style for non-rejection fuse blocks and an interrupt rating of 200kA at 600V AC and 100kA at 300V DC. The fuse measures 8-5/8 inches in length with a 2-inch diameter and features a glass and melamine body.
Confirm the part number against your existing unit or equipment before ordering to ensure correct fit.
Shipping and dispatch
Shipping method and available services depend on the item and delivery address. Check the product shipping information and checkout for shipping options and charges.
Dispatch times vary by product and supplier. Any supplier dispatch estimate shown is subject to availability. Transit time begins after shipment and is additional to dispatch time.
Freight shipments
Products identified as freight ship by truck. Review the available delivery service and charges at checkout; delivery arrangements depend on the selected service.
Inspection and Damage:
Upon delivery, please inspect the carton and contents for any damage. If you find any damage, document it on the driver's delivery receipt and contact us immediately at support@proreplacementparts.com no later than 24 hours from the delivery time. We cannot accept responsibility for damage that is not noted on the driver's delivery receipt at the time of delivery.
Order Cancellations:
All order cancellations must be requested within 24 hours of placing the order. After this period, our standard return policy will take effect.
Thank you for choosing Pro Replacement Parts. We are dedicated to providing you with the best service and ensuring your orders are delivered in a timely and efficient manner. If you have any questions or need further assistance, please don't hesitate to contact us.
Exact part numbers. Every listing starts with the manufacturer part number, so you can match it to the part in your equipment before you order. Not sure it fits? Ask us first.
Clear shipping. Check the product shipping information for the shipping method and any supplier dispatch estimate. Shipping options and charges are shown at checkout.
Real people. Call 617-286-6694 (Monday to Friday, 9 AM to 6 PM ET) or email support@proreplacementparts.com with a part number or model number.
Returns. Unopened parts can be returned within 30 days. Electrical and gas parts are final sale once opened. Details are on our Returns & Refunds page.
Your purchase is covered by the Manufacturer’s Limited Warranty.
For return/refund information, please visit our Returns & Refunds page.
Description
- A: 400
- AC: 600 V
- DC: 300 V
- Class: L
- Series: A4BY
- Body Style: Bolt-On
Specifications
| Part Number | A4BY400 |
| Brand | Mersen |
| Item | Fuse |
| A | 400 |
| AC | 600 V |
| DC | 300 V |
| Class | L |
| Series | A4BY |
| Body Style | Bolt-On |
| Fits Fuse Block Style | Non-Rejection |
| Interrupt Rating | 100kA at 300V DC, 200kA at 600V AC |
| Fuse Size | 8-5/8 in L x 2 in dia |
| Length | 8 5/8 in |
| Diameter | 2 in |
| Equivalent Brand and Series Bussmann | KLU |
| Bussmann | KTU |
| Littelfuse | KLLU |
| Littelfuse | KLPC |
| Mersen/Ferraz Shawmut | A4BY |
| Equivalent Series | A4BY |
| Compatible Fuse Block Series | Not Applicable |
| Body Material | Glass, Melamine |
| Features | Non-Indicating, Time-Delay, KLLU, KLPC, KLU, KTU |
Description
The Mersen A4BY400 is a 400A, 600V AC Class L fuse with a time-delay, non-indicating design. It has a bolt-on body style for non-rejection fuse blocks and an interrupt rating of 200kA at 600V AC and 100kA at 300V DC. The fuse measures 8-5/8 inches in length with a 2-inch diameter and features a glass and melamine body.
Confirm the part number against your existing unit or equipment before ordering to ensure correct fit.
Shipping
Shipping and dispatch
Shipping method and available services depend on the item and delivery address. Check the product shipping information and checkout for shipping options and charges.
Dispatch times vary by product and supplier. Any supplier dispatch estimate shown is subject to availability. Transit time begins after shipment and is additional to dispatch time.
Freight shipments
Products identified as freight ship by truck. Review the available delivery service and charges at checkout; delivery arrangements depend on the selected service.
Inspection and Damage:
Upon delivery, please inspect the carton and contents for any damage. If you find any damage, document it on the driver's delivery receipt and contact us immediately at support@proreplacementparts.com no later than 24 hours from the delivery time. We cannot accept responsibility for damage that is not noted on the driver's delivery receipt at the time of delivery.
Order Cancellations:
All order cancellations must be requested within 24 hours of placing the order. After this period, our standard return policy will take effect.
Thank you for choosing Pro Replacement Parts. We are dedicated to providing you with the best service and ensuring your orders are delivered in a timely and efficient manner. If you have any questions or need further assistance, please don't hesitate to contact us.
Why Buy From Us?
Exact part numbers. Every listing starts with the manufacturer part number, so you can match it to the part in your equipment before you order. Not sure it fits? Ask us first.
Clear shipping. Check the product shipping information for the shipping method and any supplier dispatch estimate. Shipping options and charges are shown at checkout.
Real people. Call 617-286-6694 (Monday to Friday, 9 AM to 6 PM ET) or email support@proreplacementparts.com with a part number or model number.
Returns. Unopened parts can be returned within 30 days. Electrical and gas parts are final sale once opened. Details are on our Returns & Refunds page.
Warranty/Returns
Your purchase is covered by the Manufacturer’s Limited Warranty.
For return/refund information, please visit our Returns & Refunds page.
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