$(csi.user.businessName)

Main Content

Loading...

Early Black Friday Deals & DoorbustersEnds Nov. 15.Shop now

Skip to content Go to Product Search

Visit our Support Center
Check your Order Status
Shipping, Delivery & Store Pickup
Returns & Exchanges
Price Match Guarantee

Order & Purchases

Check Order Status
Shipping, Delivery & Pickup
Returns & Exchanges
Price Match Guarantee
Product Recalls
Trade-In Program
Gift Cards

Payment Options

My Best Buy® Credit Card
Pay Your Bill at Citibank
Lease to Own
Buy Now, Pay Later
Best Buy Business Financing

Support & Services

Visit our Support Center
Schedule a Service
Manage an Appointment
Protection & Support Plans
Haul Away & Recycling
Contact Us

Rewards & Membership

My Best Buy Memberships
View Points & Certificates
Member Offers

Partnerships

Sell on Best Buy Marketplace
Advertise with Us
Affiliates: Creators & Publishers
Best Buy Health
Best Buy Education
Best Buy Business
Partner+

About Best Buy

Corporate Information
Careers
Corporate Responsibility
Sustainability

Sign in or Create Account

Get the latest deals and more.

Email Address

Best Buy appLearn more ›

Best Buy Canada

Accessibility Terms & Conditions Privacy Interest-Based Ads State Privacy Rights Health Data Privacy Do Not Sell/Share My Personal Information Limit Use of My Sensitive Personal Information Targeted Advertising Opt Out CA Supply Chain Transparency Act

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.

Black Friday Deals

Deal of the Day

My Best Buy Memberships

Best Buy Business

Best Buy Gamers

Bosch Smart Home Relay search results

Filters

Skip To Results

Get it fast

Pickup · Ready todaySelect Store

Shipping · Get it today55423

Sold & shipped by

Best Buy

Category: Smart Light Switches & Dimmers

Price

to

Less than $25

$25 - $49.99

$50 - $74.99

$75 - $99.99

$100 - $149.99

Brand

Lutron

HQRP

Philips

Leviton

Features

App Compatible

Current Deals

On Sale

Clearance

Color

White

Black

Green

Tan

Customer Rating

Top-Rated

5

4 & Up

Works With

Amazon Alexa

Apple Home

Google Home

Hue

SmartThings

Ring

Wink

Nest

Voltage

120 volts

125 volts

24 volts

3 volts

Bosch Smart Home Relay in Smart Light Switches & Dimmers (23)

Search all categories

Sort by:

Sponsored

Sponsored

Sponsored

Sponsored

AFLA L1 240 120 NIAC APH KAMP e ABD - NP RES HP PER COI Hm BREAKALL 20 12 RA POLE L2 T1 VAC ing 25 200 240 820V 204AC5060HE comp LINES MAX 50601z 1 3POLES T2 - P @: SA-3P-40A-120V A CE 120V MADE IN CHINA T3 L3 HQRP HORPO Quality High Accessories

HQRP - 3-Pole 40 A 120 V AC Coil Contactor - HVAC Definite Purpose Relay, UL Listed - Black

Not yet reviewed

Not yet reviewed

Compare

WFLA L1 TO VAC NPH AGAMP al2 NO H yy RES 100 1 HP E PER COa Tn 7 ww.nwing 26 20 10 NP/RA LHe POLEGOO L2 T1 ( Hw.relng.comp com LINEZ se 220 2A0 K MAF J T2 CREMT $.CE G. 3POLES CE A n MADEINCHINA 4920 T3 L3 HQRP nnos OH Quality les High Accessories

---

**WFLA L1 TO VAC NPH AGAMP al2 NO H yy RES 100 1 HP E PER COa Tn 7 ww.nwing 26 20 10 NP/RA LHe POLEGOO L2 T1 ( Hw.relng.comp com LINEZ se 220 2A0 K MAF J T2 CREMT $.CE G. 3POLES CE A n MADEINCHINA 4920 T3 L3 HQRP nnos OH Quality les High Accessories**

HQRP - 3-Pole 40 A 24 V AC HVAC Contactor Relay - Replacement for C25DNF340T - Black

Not yet reviewed

Not yet reviewed

Compare

4ORLA L1 1 VAQ SAMP 240 120 ACH HP (1PH Pj RE L2 s00 ARD, j3P) PER 15 HP/LRRA Me POLE CONL Nerm BREAKALL 20 10 LRA POLE GeZ SaDY T1 12UMAC refnig 25 200 240 MAK 120VAC5060H comp LINES 180 L3 s0NO He T2 KEA REOVUDE L C SA SA-4P 4POLES L4 ION - 256361 US SA-4P-40A-120V 40A- T3 MADEIN A 4920 E2468 UR US 120V IN O CHINA T4 HQRP Agre HORPO Quality High Accessories

SA-4P-40A-120V
4P-40A/120V
C-Earth
A 4820
MADE IN CHINA

L1 L2 L3 L4

HQRP - 4-Pole 40 A Definite Purpose Contactor Relay, 120 V AC Coil, UL Listed, replaces C25ENF440A - Black

Not yet reviewed

Not yet reviewed

Compare

CONTACT RATING ATY FLA PER 480 4S LRA POLE 00 45 34G RES 4 do S cae 155 50 SA-2P-40A-120V E 10 Z 13 comp @ MC o% SCRES E INNS CE D R U L KS 2 - E240010 U COIL 2POLES 4 W LB% i TN 71 aFV VAG COIL120VAC 120V 3A e 50/60Hz A MADE A4122 V4 CHINA

CONTACT RATING PER POLE
VAC FLA LRA RES
240/480 40 240 50
120 80 160 50

2POLES COIL 120VAC 50/60Hz
A4122

MADE IN CHINA

HQRP - 2-Pole 40 A Lighting Contactor Relay - 120 V AC Coil, UL Listed, Replaces 45DG20AF 45FA20A - Black

Not yet reviewed

Not yet reviewed

Compare

Sponsored