Bussmann LPS-RK Class RK1 Time...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$88.31
$38.31

Bussmann LPS-RK Class RK1 Time Delay Fuse 40A 600V Current-Limiting Dual Element

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Model: LPS-RK-40SP
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$88.31
$38.31
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Bussmann LPS-RK Class RK1 Time Delay Fuse 40A 600V Current-Limiting Dual Element

Professional Low-Peak Current-Limiting Protection

The Bussmann LPS-RK series delivers reliable Class RK1 time delay protection with 40A rating and dual element design. This current-limiting fuse provides 600 Vac/300 Vdc voltage capability with ferrule end connections and 300 kAIC interrupt rating for professional electrical applications requiring precise overcurrent protection.

Professional Features & Benefits

  • 40A Rating: Provides precise overcurrent protection for medium-duty electrical circuits and equipment.
  • Class RK1 Performance: Delivers superior current-limiting characteristics with low peak let-through current for enhanced equipment protection.
  • Dual Element Design: Combines time delay characteristics with current-limiting protection for motor and general purpose applications.
  • 600 Vac/300 Vdc Rating: Supports both AC and DC applications with professional voltage capability.
  • 300 kAIC Interrupt Rating: Handles high fault currents safely with reliable interruption capability at 600V.
  • Time Delay Response: 10 second response at 500% provides coordination with downstream protective devices.
  • CE Marked Compliance: Meets international safety and performance standards for global applications.

Technical Specifications

  • Amperage Rating: 40 A
  • Class: Class RK1
  • Compliances: CE Marked
  • Connection: Ferrule end x ferrule end
  • Department: Electrical
  • Fuse Indicator: Non-indicating
  • Fuse Type: Time delay
  • Interrupt Rating: 300 kAIC at 600 Vac
  • Number Of Elements: Dual
  • Packaging Type: Standard
  • Product Group: Fuses
  • Product Height: 1.06 in
  • Product Length Depth: 5.5 in
  • Product Subgroup: Time Delay Fuses
  • Product Type: Time Delay Fuses
  • Product Weight: 2.6 lb
  • Product Width: 1.06 in
  • Quantity: 10
  • Response Time: 10 sec at 500%
  • Special Features: Electrically isolated end cap
  • Voltage Rating: 600 Vac, 300 Vdc

Installation & Operation

  1. Mount the unit in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Motor Protection Circuits
  • Industrial Control Panels
  • Commercial Electrical Systems
  • Manufacturing Equipment Protection
  • HVAC System Protection
  • Power Distribution Centers
  • Process Control Applications

Why Choose Bussmann Quality?

Bussmann delivers proven reliability with CE marked compliance and electrically isolated end cap design. The LPS-RK series provides professional-grade current-limiting protection with dual element construction and Class RK1 performance for demanding electrical applications requiring precise overcurrent coordination.

Manufacturer Resources

Product Specs

Amperage Rating:
40 A
Class:
Class RK1
Compliances:
CE Marked
Connection:
Ferrule end x ferrule end
Fuse Indicator:
Non-indicating
Fuse Type:
Time delay
Interrupt Rating:
300 kAIC at 600 Vac
Number Of Elements:
Dual
Packaging Type:
Standard
Product Height:
1.06 in
Product Length Depth:
5.5 in
Product Weight:
2.6 lb
Product Width:
1.06 in
Response Time:
10 sec at 500%
Special Features:
Electrically isolated end cap
Voltage Rating:
600 Vac, 300 Vdc
Product Type:
Time Delay Fuses
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Time Delay Fuses
Item Quantity:
10

Bussmann LPS-RK-40SP – Frequently Asked Questions

How fast can I get the Bussmann LPS-RK-40SP delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Bussmann LPS-RK-40SP come with a warranty?
Absolutely. The Bussmann LPS-RK-40SP is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Bussmann LPS-RK-40SP?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Bussmann LPS-RK-40SP from ZenSupply?
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