Littelfuse
FUS 250V T/D CLASS RK5 45A (Pack of 1)
FLNR045 is a Class RK5 fuse with an ampere rating of 45 and cartridge-style construction.
Product Specifications:
- Current Rating (Continuous) in Amps: 45
- Interrupting Rating: 300 kA Ac; 20 kA Dc
- Opening: Slo-Blo/Time Lag (T)/Time Delay
- Maximum AC Voltage (V): 250
- Voltage Rating (V): 125
- Size: Industrial Cartridge
- Family style: Dual Element Fuse
- Fuse Class: Class RK5
- Indicating: No
- Interrupt Amperage: 200000
- Interrupt Amperage (A) - 2: 300000
- Interupt Amperage 3: 20000
- Interrupt Voltage Type ACDC - 1: AC
- Interrupt Voltage Type ACDC - 2: AC
- Interupt Voltage Type ACDC - 3: DC
- Interrupt Voltage: 250
- Interrupt Voltage (V) -2: 250
- Interupt Voltage - 3: 125
- Mounting Method: Fuse Block / Clip / Holder
- PG Holder: LFR25060 Series
Pickup available at Santa Clara
Usually ready in 1 hour
Frequently Asked Questions
Who do you sell to?
We sell exclusively to licensed HVAC contractors and industry professionals. Professional installation by a licensed technician is recommended to ensure proper installation, system performance, code compliance, and maximum manufacturer warranty coverage.
What brands do you carry?
We specialize in high performance brands like Cooper and Hunter along with ductless and mini split systems that meet California low GWP and energy compliance standards. We also stock trusted installation and service brands including NAVAC, RectorSeal, Fieldpiece, Armbridge, Olmo, and Diversitech.
Do you stock equipment locally?
Yes. We have a ton of equipment and accessories in stock across the Bay Area and Sacramento, available for local pickup or freight shipping. More locations coming soon.
Can I get help sizing a system?
Absolutely. We help contractors with equipment selection, line set sizing, refrigerant matchups, and other technical questions. Reach out via phone or email for support.
Do you offer volume discounts?
Yes. We offer contractor pricing and volume breaks for bulk orders. Reach out directly if you're planning a multi-unit install or need project pricing.
Do you help with warranty claims?
Yes, you will need to first reach out to the Cooper & Hunter Technical Support line 1 800-977-0722 to go through troubleshooting, and if it is determined to be a defective unit, we will work with the manufacturer and you as the customer to source you a replacement unit under warranty. If it is determined to need replacement parts, you as the customers will work with Cooper & Hunter to source replacement parts.
Can I buy online?
Yes. As long as you have a licensed contractor account with us, you can place orders online for delivery or pickup at any of our branch locations.
What makes CoolMan different?
We’re not just a supplier — we’re a partner. We know the ductless business, we understand California codes, and we move fast to help you win jobs and keep clients happy.
