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

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3 Pole 40 Amp contactor 240V coil UL Recognized A2L Compliant OEM fits Siemens 42CF35AG equivalent DP Contactor HVAC Contactor

Product ID: 325971748

⚡40 Amp high current capacity

🔌240V coil voltage for robust HVAC control

🛡️UL Recognized & A2L Compliant safety certified

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€ 70.30

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Sold byAmazon NetherlandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Elevate your HVAC game with industrial-grade power and precision!

CERTIFIED RELIABILITY - UL 508 & UL 60947-4-1 recognized for industrial-grade safety 🛡️
HIGH PERFORMANCE BUILD - Bulk molding compound base for superior heat resistance and durability 🔥
POWERHOUSE PERFORMANCE - Handles heavy-duty 40 Amp loads with ease ⚡
PRECISION VOLTAGE CONTROL - Optimized 240V coil for seamless HVAC integration 🔌
DURABLE CONTACT TECHNOLOGY - Silver Cadmium Oxide contacts ensure long-lasting conductivity and minimal wear ⚙️

The SUNLEE 3 Pole 40 Amp contactor features a robust 240V coil, UL recognized and A2L compliant certifications, and silver cadmium oxide contacts for enhanced durability. Designed for HVAC systems, it fits Siemens 42CF35AG equivalents and offers reliable, high-performance switching with a heat-resistant bulk molding compound base.

Specifications

ASIN	B0888DQ7X8
Batteries Required?	No
Best Sellers Rank	#10,949 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Motor Contactors
Customer Reviews	4.7 4.7 out of 5 stars (121)
Date First Available	May 7, 2020
Item Weight	1.08 pounds
Item model number	DRC-3XU04CG
Manufacturer	sunlee controls
Material	cadmium
Product Dimensions	3.94 x 2.56 x 3.35 inches
Size	3P 40A 208/240VAC

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