Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
BUSSMANN Semiconductor Fuse: KAC Series, Fast-Acting, 70 A, 600 V AC - Fast-Acting Bolt-On Fuses
BUSSMANNFast-Acting Bolt-On Fuses

BUSSMANN Semiconductor Fuse: KAC Series, Fast-Acting, 70 A, 600 V AC

The BUSSMANN KAC Series Semiconductor Fuse (MPN KAC-70) is a fast-acting, non-indicating bolt-on fuse rated for 70 A at 600 V AC. Designed for AC-only circuits, this KAC-series fuse provides overcurrent protection…

SKU 3G-OTH-27695

Brand
BUSSMANN
Item
Semiconductor Fuse: KAC Series, Fast-Acting, 70 A, 600 V AC
Category
Fast-Acting Bolt-On Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

BUSSMANN
Manufacturer Part Number
KAC-70
Series
KAC
Voltage Type
AC Only
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

BUSSMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BUSSMANN KAC Series Semiconductor Fuse (MPN KAC-70) is a fast-acting, non-indicating bolt-on fuse rated for 70 A at 600 V AC. Designed for AC-only circuits, this KAC-series fuse provides overcurrent protection for semiconductor applications.

Frequently Asked Questions

What is the BUSSMANN KAC-70 semiconductor fuse used for?

The BUSSMANN KAC-70 is a fast-acting bolt-on fuse designed to protect semiconductor devices such as diodes, thyristors, and IGBTs from overcurrent faults in AC-only circuits. It is commonly used in industrial power supplies, motor drives, and UPS systems where precise, rapid interruption of high fault currents is required.

What are the specifications of the BUSSMANN KAC-70 fuse?

The BUSSMANN KAC-70 is a KAC Series, fast-acting, non-indicating bolt-on fuse rated for 70 A at 600 V AC. It is designed for AC-only circuits and provides overcurrent protection for semiconductor applications. The manufacturer part number is KAC-70.

Where to buy the BUSSMANN KAC-70 fuse worldwide?

3G Electric supplies the BUSSMANN KAC-70 fuse to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this fuse to any country.

How to select the correct BUSSMANN KAC series fuse for my application?

To select the correct BUSSMANN KAC series fuse, verify your circuit voltage is AC only and does not exceed 600 V. Choose a fuse with an amp rating equal to or slightly above your normal operating current. The KAC-70 is rated for 70 A; ensure your application's continuous current does not exceed this value for reliable protection.

Used in

Common applications for BUSSMANN
Industrial motor control centers — BUSSMANN LPT series Class T time-delay fuses for branch circuit protection
Semiconductor protection in variable frequency drives — BUSSMANN FWA series fast-acting bolt-on fuses rated 150 V AC/DC
Automotive auxiliary circuit protection — BUSSMANN CB222 series Type II circuit breakers in 12 V DC systems
Control panel overcurrent protection — BUSSMANN FNA series midget time-delay indicating fuses for instrumentation
Main feeder protection in power distribution — BUSSMANN KLU series Class L time-delay bolt-on fuses up to 650 A
Fuse replacement in existing panels — BUSSMANN S-8301-1-R fuse block accepting 3AG and other glass/ceramic fuses

BUSSMANN Products

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
Semiconductor Fuse: KAC Series, Fast-Acting, 100 A, 600 V AC, Non-Indicating (MPN KAC-100). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
BUSSMANN
Semiconductor Fuse: KAC Series, Fast-Acting, 100 A, 600 V AC, Non-Indicating (MPN KAC-100). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
Semiconductor Fuse: KAC Series, Fast-Acting, 400 A, 600 V AC, Non-Indicating (MPN KAC-400). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
BUSSMANN
Semiconductor Fuse: KAC Series, Fast-Acting, 400 A, 600 V AC, Non-Indicating (MPN KAC-400). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
Semiconductor Fuse: KAC Series, Fast-Acting, 500 A, 600 V AC, Non-Indicating (MPN KAC-500). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
BUSSMANN
Semiconductor Fuse: KAC Series, Fast-Acting, 500 A, 600 V AC, Non-Indicating (MPN KAC-500). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
Semiconductor Fuse: KAC Series, Fast-Acting, 200 A, 600 V AC, Non-Indicating (MPN KAC-200). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
BUSSMANN
Semiconductor Fuse: KAC Series, Fast-Acting, 200 A, 600 V AC, Non-Indicating (MPN KAC-200). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
Semiconductor Fuse: KAC Series, Fast-Acting, 30 A, 600 V AC, Non-Indicating (MPN KAC-30). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
BUSSMANN
Semiconductor Fuse: KAC Series, Fast-Acting, 30 A, 600 V AC, Non-Indicating (MPN KAC-30). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
Semiconductor Fuse: KAC Series, Fast-Acting, 80 A, 600 V AC, Non-Indicating (MPN KAC-80). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
BUSSMANN
Semiconductor Fuse: KAC Series, Fast-Acting, 80 A, 600 V AC, Non-Indicating (MPN KAC-80). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.

More from BUSSMANN

View all BUSSMANN parts →
Semiconductor Fuse: FWH Series, Fast-Acting, 175 A, 500 V AC, 500 V DC DC Volt Rating (MPN FWH-175B). Key specifications — Series: FWH; Brand: BUSSMANN; Voltage Type: AC/DC.
BUSSMANN
Semiconductor Fuse: FWH Series, Fast-Acting, 175 A, 500 V AC, 500 V DC DC Volt Rating (MPN FWH-175B). Key specifications — Series: FWH; Brand: BUSSMANN; Voltage Type: AC/DC.
Semiconductor Fuse: FWJ Series, Fast-Acting, 500 A, 1,000 V AC, 800 V DC DC Volt Rating (MPN FWJ-500A). Key specifications — Series: FWJ; Brand: BUSSMANN; Voltage Type: AC/DC.
BUSSMANN
Semiconductor Fuse: FWJ Series, Fast-Acting, 500 A, 1,000 V AC, 800 V DC DC Volt Rating (MPN FWJ-500A). Key specifications — Series: FWJ; Brand: BUSSMANN; Voltage Type: AC/DC.
Semiconductor Fuse: FWX Series, Fast-Acting, 300 A, 250 V AC, 250 V DC DC Volt Rating (MPN FWX-300A). Key specifications — Series: FWX; Brand: BUSSMANN; Voltage Type: AC/DC.
BUSSMANN
Semiconductor Fuse: FWX Series, Fast-Acting, 300 A, 250 V AC, 250 V DC DC Volt Rating (MPN FWX-300A). Key specifications — Series: FWX; Brand: BUSSMANN; Voltage Type: AC/DC.
Semiconductor Fuse: FWX Series, Fast-Acting, 70 A, 250 V AC, 250 V DC DC Volt Rating, Non-Indicating (MPN FWX-70A). Key specifications — Series: FWX; Brand: BUSSMANN; Voltage Type: AC/DC.
BUSSMANN
Semiconductor Fuse: FWX Series, Fast-Acting, 70 A, 250 V AC, 250 V DC DC Volt Rating, Non-Indicating (MPN FWX-70A). Key specifications — Series: FWX; Brand: BUSSMANN; Voltage Type: AC/DC.
Semiconductor Fuse: FWJ Series, Fast-Acting, 400 A, 1,000 V AC, 800 V DC DC Volt Rating (MPN FWJ-400A). Key specifications — Series: FWJ; Brand: BUSSMANN; Voltage Type: AC/DC.
BUSSMANN
Semiconductor Fuse: FWJ Series, Fast-Acting, 400 A, 1,000 V AC, 800 V DC DC Volt Rating (MPN FWJ-400A). Key specifications — Series: FWJ; Brand: BUSSMANN; Voltage Type: AC/DC.
BUSSMANN Fuse: JKS Series, Class J, Bolt-On Body, Fast-Acting, 80 A, 600 V AC, Non-Indicating (MPN JKS-80). Key specifications — Series: JKS; Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse: JKS Series, Class J, Bolt-On Body, Fast-Acting, 80 A, 600 V AC, Non-Indicating (MPN JKS-80). Key specifications — Series: JKS; Brand: BUSSMANN.
Semiconductor Fuse: KAC Series, Fast-Acting, 50 A, 600 V AC, Non-Indicating (MPN KAC-50). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
BUSSMANN
Semiconductor Fuse: KAC Series, Fast-Acting, 50 A, 600 V AC, Non-Indicating (MPN KAC-50). Key specifications — Series: KAC; Brand: BUSSMANN; Voltage Type: AC Only.
BUSSMANN Fuse: JKS Series, Class J, Bolt-On Body, Fast-Acting, 200 A, 600 V AC, Non-Indicating (MPN JKS-200). Key specifications — Series: JKS; Brand: BUSSMANN.
BUSSMANN
BUSSMANN Fuse: JKS Series, Class J, Bolt-On Body, Fast-Acting, 200 A, 600 V AC, Non-Indicating (MPN JKS-200). Key specifications — Series: JKS; Brand: BUSSMANN.