Bussmann RES-125 Super-Lag 125A 600V Class H Renewable Fuse

Retail Price: $194.53
Price: $104.00
  • SKUFH125B
In stock - 1 units available.
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Bussmann RES-125 Fuse

Stock photo shown for reference only. You will receive a unit of the listed catalog number in the condition stated above, inspected and tested to ESP Product Standards. Cosmetic appearance may vary.

1-Year Operational Guarantee Every breaker we sell — new, surplus, reconditioned, or used — is guaranteed to operate normally for one year from date of sale. Product Standards
Same-Day Shipping In-stock orders placed before 12pm PST typically ship the same business day, with UPS tracking provided. Shipping details
30-Day Returns Return authorization available within 30 days of receipt. Return policy
Talk to a Real Person Questions about fit, condition, or availability? Call 800-664-4377. Credit terms available for approved accounts.
Found this part for less somewhere else? Surplus and reconditioned prices vary widely with scarcity and condition — tell us what you found and make us an offer. Include the catalog number and we’ll respond same business day: call 800-664-4377 or email us. Every ESP unit is tested and backed by our 1-year operational guarantee — make sure you’re comparing like for like.

Description

The Bussmann RES-125 is a discontinued 125-amp, 600-volt Super-Lag renewable Class H fuse with knife-blade terminals.

ManufacturerBussmann
SeriesSuper-Lag (renewable)
Catalog NumberRES-125
Fuse ClassClass H (renewable)
Amperage125 A
Max Voltage600 V AC
Interrupting Rating10 kA
SpeedTime-delay (Super-Lag)
Terminals / MountingKnife-blade
RenewableYes
ConditionSurplus, inspected and tested
Product StatusDiscontinued by manufacturer

More Details

At 125 amps, the RES-125 is the smallest fuse in this group of Bussmann Super-Lag renewables. Its knife-blade terminals fit the 101–200A Class H clip size at 600 volts. Super-Lag fuses were designed for motor circuits and give more time delay than standard one-time Class H fuses, so they can ride through starting current without being oversized. When the fuse opens, maintenance staff can replace the internal renewal link and return the cartridge to service. The 10 kA Class H interrupting rating is the key limitation, and it's the main reason many facilities have moved to current-limiting RK5 or RK1 fuses. Where a like-for-like replacement is required, this single tested surplus unit is a direct match for the original.

What is "surplus new"?

Surplus new means the item has never been installed or put into service. It may not arrive in its original packaging, but it has never been used.

What does "reconditioned" mean?

Reconditioned items have been inspected, cleaned, and tested to confirm they operate to the manufacturer's original specifications. Every reconditioned item we sell carries a one-year operational guarantee.

How fast will my order ship?

In-stock orders placed before 12pm PST usually ship the same business day via UPS, with tracking provided.

What if I can't find the item I need?

Call 800-664-4377 — we stock thousands of obsolete and hard-to-find electrical parts that may not yet be listed online.

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