How do I know if this is the right contactor for my equipment?

If your old contactor has a 240V Coil and is rated 40A, 30A, or 25A. This 40A model is a heavy-duty upgrade for lower amp units. Rule: Coil voltage must be exact; Amps can be higher, but never lower than your original one.

Can I use this on irrigation systems, deep well pumps, Industrial curing ovens, sauna heaters, gymnasium lighting?

It's designed for these "Line Voltage Control" applications. Because it features a 208/240V Coil, it matches the high-voltage power source used by this equipment, eliminating the need for a step-down transformer. Make sure coil voltage match.

Does this contactor support Auxiliary Contacts?

Yes. This model features standard mounting points on the side for adding auxiliary contact blocks (Snap-on type), check our SUNLEE Auxiliary switch.

I have a 24V thermostat. Will this work for my AC?

This contactor has a 240V Coil. Most residential thermostats output a 24V signal. If you connect a 24V thermostat to this 240V coil, it will not engage. Please purchase our model with a "24V Coil" for standard HVAC applications.

My old contactor buzzes/hums — will replacing it fix that?

Often yes. Buzzing can be caused by a worn coil/armature, pitted contacts, or low control voltage. Replacing the contactor commonly resolves noise if the control voltage is stable and wiring is correct

Sunlee Controls 3 Pole 40 Amp Contactor 240v Coil Oem

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

R2094

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up your HVAC game with Sunlee’s unstoppable contactor!

PLUG PLAY FIT - OEM compatible with Siemens 42CF35AG equivalent for seamless, hassle-free installation.
PROVEN RELIABILITY - UL-certified for 1 million mechanical and 250,000 electrical operations—built to outlast and outperform competitors.
HEAT RESISTANT COIL - Class F insulation ensures coil longevity even in extreme heat environments like attics or outdoor units.
INDUSTRIAL GRADE POWER - Handles up to 40 Amps with robust 3-pole design for demanding HVAC and machinery needs.
PREMIUM SILVER CONTACTS - 25% larger silver cadmium oxide contacts deliver superior conductivity and durability under heavy loads.

The Sunlee 3 Pole 40 Amp 240V coil contactor is a UL-recognized, industrial-grade HVAC control solution featuring high-performance silver cadmium oxide contacts and Class F coil insulation. Engineered for durability and reliability, it withstands extreme temperatures and rigorous mechanical cycles, making it the go-to choice for professionals demanding long-lasting, efficient operation in commercial and industrial settings.

Specifications

ASIN	B0888DQ7X8
ASIN	B0888DQ7X8
Batteries Required?	No
Country of origin	China
Customer Reviews	4.7 4.7 out of 5 stars (344)
Customer reviews	4.7 4.7 out of 5 stars (344)
Date First Available	5 March 2021
Date First Available	5 March 2021
Item Weight	490 g
Item model number	DRC-3XU04CG
Item model number	DRC-3XU04CG
Manufacturer	sunlee controls
Manufacturer	sunlee controls
Material	cadmium
Product Dimensions	10 x 6.5 x 8.5 cm; 490 g
Product Dimensions	10 x 6.5 x 8.5 cm; 490 g
Size	3P 40A 208/240VAC

Reviews

I**S

My initial impression is positive. The contactor appears equal to the robust industrial units that I am familiar with from NA over a 50 year career in electrical engineering. The contacts look heavy enough for the current, good insulation, heavy duty connections and the 120 volt coil is powerful and silent. I am running it under load for a month before saying more. Initial thoughts are that this is not your usual Chinese made light weight electrics.

17.09.2024

F**R

Works great, easy installation.

11.04.2026

B**L

used n an electric convection oven. res rated at 50 amp here's snaps of old one failure

30.03.2026

T**.

Worked perfectly. I saved my self $1400 by replacing this part inside my Qmark Wall Heater! Direct replacement part was listing for $300.!!! Found this for $26! Worked like a charm easy swap

16.02.2026

A**R

Did good

27.04.2026

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

View all Trustpilot reviews

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

R2094

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Sunlee controls 3 Pole 40 Amp contactor 240V coil OEM fits Siemens 42CF35AG equivalent DP Contactor HVAC Contactor

Description

Specifications

Reviews

Common Questions