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Bussmann KRP-CL-250 Eaton series KRP-CL fuse, Time-delay current-limiting fuse, Large distribution switchboards, large machinery disconnects, power panelboards, 250 A, Class L, Non-indicating, 200 kAIC at 600 Vac, Standard, 600 V.
- Amp rating: 250 A
- Voltage rating: 600 V
- Class: Class L
- Interrupt rating: 200 kAIC at 600 Vac
- Product type: Fuse
- Dimensions (L x W x H): 8.63 x 2.78 x 2.78 in
Genuine Bussmann part number KRP-CL-250.
Manufacturer Resources
Product Specs
- Department:
- Electrical
- Product Group:
- Circuit Protection
- Compliances:
- RoHS Compliant
- Product Type:
- Time-Delay Fuse
- Product Subgroup:
- Fuses
- Product Width:
- 2.78 in
- Product Length:
- 8.63 in
- Product Weight:
- 3.26 lb
- Product Height:
- 2.78 in
Bussmann KRP-CL-250 – Frequently Asked Questions
1) What amp ratings does the Bussmann KRP-CL fuse come in?
The KRP-CL time-delay current-limiting fuse is offered in three amp ratings: 250 A (KRP-CL-250), 300 A (KRP-CL-300), and 600 A (KRP-CL-600). All are Class L, 600 V rated. Match the amp rating to the overcurrent device rating on your one-line, not to the switch size, since Class L holders accept a range of ratings.
2) Is the KRP-CL rated for the available fault current on a large service?
Interrupting rating on the KRP-CL is 200 kAIC at 600 Vac, which covers main service and switchboard positions where available fault current is high. It is also a current-limiting fuse, so it can be used in series-rated and component-protection schemes where the downstream gear needs let-through energy held down.
3) What are the physical dimensions of the Bussmann KRP-CL-250 fuse?
The 250 A KRP-CL measures 8.63 x 2.78 x 2.78 inches (L x W x H). Check that against the barrel clearance in your switchboard fuse compartment before ordering, particularly where an older fuse is being swapped out.
4) Can I use a KRP-CL on a motor or large machinery disconnect without nuisance opening on inrush?
Yes. The KRP-CL is a time-delay fuse, so it rides through motor starting inrush rather than opening on it. Bussmann lists it for large machinery disconnects, large distribution switchboards, and power panelboards.
5) Is KRP-CL the same as a Bussmann KRP-C Low-Peak fuse?
They are not the same catalog part. What you are ordering here is the KRP-CL series, genuine Bussmann part numbers KRP-CL-250, KRP-CL-300, and KRP-CL-600, Class L, 600 V, 200 kAIC. If your drawing or the existing fuse is stamped with a different suffix, order to the exact designation on the fuse you are replacing, since Class L amp ratings and series are not cross-substitutable without a coordination review.
6) Does the Bussmann KRP-CL have a blown-fuse indicator?
No. The KRP-CL is a non-indicating fuse, so there is no mechanical pop-out or visual flag to show it has opened. On a facility where crews need quick visual identification of an open fuse, plan on testing with a meter or specify an indicating Class L type instead.
7) Is the Bussmann KRP-CL RoHS compliant for a spec job?
The KRP-CL is listed as RoHS compliant, which is what most institutional and government submittal packages ask for on electrical distribution components.
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Does the Bussmann KRP-CL-250 come with a warranty?
Absolutely. The Bussmann KRP-CL-250 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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