--- product_id: 76636345 title: "Bussmann BP/SL-20 20 Amp Time Delay Loaded Link Rejection Base Plug Fuse, 125V UL Listed Carded, 3-Pack" brand: "bussmann" price: "£13.34" currency: GBP in_stock: true reviews_count: 8 url: https://www.desertcart.co.uk/products/76636345-bussmann-bp-sl-20-20-amp-time-delay-loaded-link store_origin: GB region: United Kingdom --- # Time-delay dual-element tech 20A current rating Threaded rejection base Bussmann BP/SL-20 20 Amp Time Delay Loaded Link Rejection Base Plug Fuse, 125V UL Listed Carded, 3-Pack **Brand:** bussmann **Price:** £13.34 **Availability:** ✅ In Stock ## Summary > ⚡ Fuse your circuits with confidence—no compromises, just power protection! ## Quick Answers - **What is this?** Bussmann BP/SL-20 20 Amp Time Delay Loaded Link Rejection Base Plug Fuse, 125V UL Listed Carded, 3-Pack by bussmann - **How much does it cost?** £13.34 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/76636345-bussmann-bp-sl-20-20-amp-time-delay-loaded-link) ## Best For - bussmann enthusiasts ## Why This Product - Trusted bussmann brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Time-Delay:** Dual-element design withstands motor surges without nuisance trips—keep your systems humming. - • **Plug & Play Convenience:** Compact 3-pack with easy screw-in design—perfect for workshops, garages, and utility rooms. - • **Threaded Rejection Base:** Unique porcelain threads block wrong fuse sizes—foolproof installation every time. - • **Precision Amp Protection:** 20 Amp rating ensures exact circuit safety—no overrated fuses slipping in. - • **Industrial-Grade Durability:** Heavy-duty porcelain build engineered for frequent motor cycling in residential & light commercial setups. ## Overview The Bussmann BP/SL-20 is a UL-listed, 20 Amp, 125V time-delay plug fuse featuring a unique threaded rejection base to prevent incorrect fuse installation. Designed with dual-element technology, it reliably protects motor circuits in residential and light commercial environments by tolerating motor start surges and frequent cycling. Packaged in a convenient 3-pack, its heavy-duty porcelain construction ensures durability and safety for critical applications like air conditioners, pumps, and furnace blowers. ## Description Product Description 3 Pack, 20A Type SL Plug Fuse, Non Tamp, Dimensions: 1.83"L x 0.917"W x 0.417"H, Carded. Manufactured in China. From the Manufacturer SL fuse for residential motor circuits in kitchens, workshops, garages, utility rooms or any circuit with motors, relays or solenoids. The rejection base threads prevent a larger amp fuse from being used. Example: A 30 amp fuse cannot be installed in a 20 amp receptacle because of the different sized threads. Medium-duty fuse. These fuses thread into fuse receptacles. Threaded fuse type: Rejection Base (porcelain threads). Not interchangeable with Edison Base (brass threads) type. Medium-duty (SL) category plug fuse. The medium-duty fuse (SL) has a time-delay feature for use on motor circuits. Plug fuses are rated for a maximum of 125Vac. SL three pack (PK3) version (blister pack). Plug fuses are often used in residential and industrial branch circuit and motor protection. Fuses are used to protect furnace blower motors, pumps, power tools, garage door openers, etc. Motor protection fuses are usually used in conjunction with branch circuit protection. The fuse is often located in a box cover unit. Plug fuses provide a compact and inexpensive method to prevent damage to electrical motors. They help reduce downtime and lower maintenance costs by opening the circuit when a dangerous overload is present. When used for residential branch circuit protection, fuses are typically located in the main fuse panel. From the Manufacturer SL fuse for residential motor circuits in kitchens, workshops, garages, utility rooms or any circuit with motors, relays or solenoids. The rejection base threads prevent a larger amp fuse from being used. Example: A 30 amp fuse cannot be installed in a 20 amp receptacle because of the different sized threads. Medium-duty fuse. These fuses thread into fuse receptacles. Threaded fuse type: Rejection Base (porcelain threads). Not interchangeable with Edison Base (brass threads) type. Medium-duty (SL) category plug fuse. The medium-duty fuse (SL) has a time-delay feature for use on motor circuits. Plug fuses are rated for a maximum of 125Vac. SL three pack (PK3) version (blister pack). Plug fuses are often used in residential and industrial branch circuit and motor protection. Fuses are used to protect furnace blower motors, pumps, power tools, garage door openers, etc. Motor protection fuses are usually used in conjunction with branch circuit protection. The fuse is often located in a box cover unit. Plug fuses provide a compact and inexpensive method to prevent damage to electrical motors. They help reduce downtime and lower maintenance costs by opening the circuit when a dangerous overload is present. When used for residential branch circuit protection, fuses are typically located in the main fuse panel. ## Features - No-interchangeability prevents installing a higher amp fuse than the circuit was designed for and Edison base plug fuses, 125 Vac dual-element, Time-delay. - Used for air conditioners, furnace blower motors, swimming pool pumps, deep freezers or any circuit where motors frequently turn ON and OFF - Heavy Duty Time-Delay Plug Fuse used to protect critical motor circuits or motors that cycle on/off frequently - An industrial/commercial grade product with exclusive dual element construction. Edison base size. These fuses thread into fuse receptacles - Will withstand typical motor starting surges, Use in residential or light-duty circuits that contain electric motors, These fuses thread into fuse receptacles. - Size Rejecting Plug Fuse - No-interchangeability prevents installing a higher amp fuse than the circuit was designed for - Has ability to withstand typical motor starting surges - Use in residential or light-duty motor circuits - This fuse threads into SA adaptors ## Technical Specifications | Specification | Value | |---------------|-------| | AC Adapter Current | 20 Amps | | ASIN | B00004WA3G | | Best Sellers Rank | #488,600 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #64 in Plug Fuses | | Brand | Bussmann | | Brand Name | Bussmann | | Color | No Color | | Current Rating | 20 Amps | | Customer Reviews | 4.6 out of 5 stars 324 Reviews | | Global Trade Identification Number | 00051712102520 | | Included Components | Household Item | | Item Dimensions | 5.5 x 2.75 x 1.25 inches | | Item Type Name | Bussmann BP/SL-20 20 Amp Time Delay Loaded Link Rejection Base Plug Fuse, 125V UL Listed Carded, 3-Pack | | Item dimensions L x W x H | 5.5 x 2.75 x 1.25 inches | | Manufacturer | Bussmann | | Material | Porcelain | | Material Type | Porcelain | | Maximum Current | 20 Amps | | Model | Bussmann - BP/SL-20 | | Mounting Type | Threaded | | Part Number | 521046 | | Specification Met | UL | | UPC | 051712102520 | | Unit Count | 1.0 Count | | Voltage | 120 Volts | | Warranty Description | 1 year | ## Product Details - **AC Adapter Current:** 20 Amps - **Brand:** Bussmann - **Voltage:** 120 Volts - **Item dimensions L x W x H:** 5.5 x 2.75 x 1.25 inches - **Material:** Porcelain ## Images ![Bussmann BP/SL-20 20 Amp Time Delay Loaded Link Rejection Base Plug Fuse, 125V UL Listed Carded, 3-Pack - Image 1](https://m.media-amazon.com/images/I/61msvf-DovL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***R on September 26, 2025* ### ⭐⭐⭐⭐⭐ Review *by A***R on October 23, 2021* ### ⭐⭐⭐⭐⭐ Review *by D***A on July 4, 2024* --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/76636345-bussmann-bp-sl-20-20-amp-time-delay-loaded-link](https://www.desertcart.co.uk/products/76636345-bussmann-bp-sl-20-20-amp-time-delay-loaded-link) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-15*