RK1 Fuses

RK1 fuses deliver robust protection for electrical circuits by interrupting the flow of electricity during overloads, short circuits, and ground faults, significantly reducing the risk of electrical fires and equipment damage. RK1 fuses need to be replaced after a fault occurs, ensuring dependable performance and enhanced safety. RK1 fuses are designed for industrial and commercial applications and come in various amperage ratings. Discover a comprehensive selection of RK1 fuses from trusted brands like Bussmann, Littelfuse, and Mersen at LiveWire Electrical Supply. Explore our offerings to find the ideal fuse for your application needs.

Since 2005, LiveWire Electrical Supply has been providing quality parts and fast shipping for in-stock products—including hard-to-find fuses. Need help finding products? For 24/7 sales assistance, call 1-650-692-0700.

“LPS-RK-30SP” has been added to your cart. View cart

Showing all 2 results

BUSSMANN
LPS-RK-30SP
$22.60 Add to cart

LPS-RK-30SP

BUSS LPS-RK-30SP 600V RK1 TD FUSE

Category: Bussmann Tags: 30 A, 300kA@600V, 300Vdc, 30A, 600V, 600VAC, Cooper Bussmann, Low Voltage Fuse, Low-Peak, LPS-RK, Non-Indicating, RK1, RK1 Fuses, Time Delay, UL Listed

$22.60

Add to cart
BUSSMANN
LPS-RK-20SP
$22.60 Add to cart

LPS-RK-20SP

BUSS LPS-RK-20SP 600V RK1 TD FUSE

Category: Bussmann Tags: 20 A, 20A Fuse, 300kA@600V, 300Vdc Fuse, 600V, 600VAC Fuse, Eaton Bussmann, Low Voltage Fuse, Low-Peak Fuse, LPS-RK, LPS-RK-20SP, Non-Indicating Fuse, RK1, RK1 Fuses, Time Delay

$22.60

Add to cart

Showing all 2 results

BUSSMANN
LPS-RK-30SP
$22.60 Add to cart

LPS-RK-30SP

BUSS LPS-RK-30SP 600V RK1 TD FUSE

Category: Bussmann Tags: 30 A, 300kA@600V, 300Vdc, 30A, 600V, 600VAC, Cooper Bussmann, Low Voltage Fuse, Low-Peak, LPS-RK, Non-Indicating, RK1, RK1 Fuses, Time Delay, UL Listed

$22.60

Add to cart
BUSSMANN
LPS-RK-20SP
$22.60 Add to cart

LPS-RK-20SP

BUSS LPS-RK-20SP 600V RK1 TD FUSE

Category: Bussmann Tags: 20 A, 20A Fuse, 300kA@600V, 300Vdc Fuse, 600V, 600VAC Fuse, Eaton Bussmann, Low Voltage Fuse, Low-Peak Fuse, LPS-RK, LPS-RK-20SP, Non-Indicating Fuse, RK1, RK1 Fuses, Time Delay

$22.60

Add to cart

Showing all 2 results

Frequently Asked Questions

LiveWire Electrical Supply is your trusted source for hard-to-find electrical supplies, offering a wide selection of circuit breakers, fuses, safety switches, and industrial control products—all ready to ship the same day. With real-time stock and price checks, you can easily find what you need at competitive prices, whether for residential, commercial, or industrial projects. Our experts are available to assist with part identification and technical support, while our expedited shipping options and free UPS Ground shipping on qualifying orders ensure fast delivery. For 24/7 assistance and personalized support, call 1-650-692-0700.

What are RK1 fuses used for?

RK1 fuses are used for protecting electrical circuits from overloads and short circuits in industrial and commercial applications.

What is the voltage rating of RK1 fuses?

RK1 fuses typically have a voltage rating of 250V or 600V, making them suitable for a wide range of electrical systems.

How do I know if an RK1 fuse needs to be replaced?

An RK1 fuse needs to be replaced if it has blown, which can be identified by a visible break in the fuse element or a change in color of the indicator.

Can RK1 fuses be used interchangeably with other fuse classes?

No, RK1 fuses should not be used interchangeably with other fuse classes, as they have specific characteristics and ratings. Always use the fuse type specified by the equipment manufacturer.

What are the benefits of using RK1 fuses?

RK1 fuses provide high interrupting ratings, reliable overcurrent protection, and are available in various amperage ratings, making them suitable for protecting valuable industrial equipment.

Shipping and Returns

Easy Returns
You may return items within 30 days of delivery for a refund. Please view our return policy here.

FREE Shipping on orders over $100

We offer one to five-day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s). Please view our shipping policy here.

Same-Day Shipping

We strive to ship out your items within one business day. The shipping process may take up to 5 business days on some occasions. Feel free to contact us if your order is time sensitive. Call 1-650-692-0700 or email sales@livewiresupply.com for help.

Limited Warranty

Warranty Gurantee
LiveWire certifies that every product shipped out of stock, by manufacturers and by fulfillment partners will be free of functional defects for one (1) year. If any part is found with functional defects during the warranty period, LiveWire will send out a replacement item for free. Warranty items must be returned to LiveWire for inspection and must be postmarked within the warranty period.

Contact our support team by emailing support@livewiresupply.com or calling 1-650-692-0700 during normal business hours for help with your warranty claim.

Disclaimer: Livewire Electrical Supply is not affiliated with, authorized by, or acting as a representative for the brands showcased on our platform. Please be aware that products sold by Livewire Electrical Supply do not include the original manufacturer’s warranty. All trademarks, brand names, and logos featured on this website belong to their respective owners. It’s important to note that this website is not endorsed, sanctioned, or approved by any of the manufacturers or trademark holders mentioned.

RK1 Fuses

LPS-RK-30SP

LPS-RK-20SP

Availability

Manufacturer

Categories

Sub Categories

Type Class

Amperage

Connection

Phase

AIC Rating

Protection

Poles

Voltage

Reset

LPS-RK-30SP

LPS-RK-20SP

Frequently Asked Questions

Shipping and Returns

Limited Warranty

Categories

Account

Help

Contact Us

1-650-692-0700

sales@livewiresupply.com

LiveWire Electrical Supply PO Box 4221 Burlingame, CA 94011

Get updates from LiveWire Electrical Supply