Can this 40A contactor replace a 30A contactor?

Yes. This 40A contactor is a safe upgrade for a 30A unit, provided the Coil Voltage (120V) and Poles match. Rule: Coil voltage must be exact; Amps can be higher, but never lower than your original one.

My equipment runs on 240V, but I have a 120V control source. Will this work?

Yes. The "120V" refers to the Coil (control) voltage only. The power poles (contacts) are rated up to 600V, so they can easily and safely switch a 240V load while being triggered by a 120V source.

Can I use this to control a bank of grow lights with a timer?

Yes, absolutely. This is ideal for switching high-power lighting loads (like HPS, MH, or LED grow lights). You can connect the 120V coil terminals to a standard wall timer or smart plug to automate your lighting setup safely.

Is this suitable for a sump pump or pool pump motor?

Yes. It is rated for 40 Amps, making it heavy-duty enough to handle the high startup current (inrush) of pump motors. Just ensure your control switch (float switch or timer) provides a 120V signal.

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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Controls 40 Amp Contactor 120v Coil 40A 2 Pole DP Contactor fits Siemens 42CF15AF

Product ID: 471645849

Details

Brand
SUNLEE
Connector type
Screw
Contact material
Silver
Current rating
40 Amps
Mounting type
DIN Rail Mount

⚡40 Amp heavy-duty power

🔄120V coil for versatile compatibility

🛠️Replaces multiple major brands

$96.31

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Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Upgrade your HVAC game with power and precision!

PRECISION FIT - Compact 8.7 x 5.3 x 8 cm design fits most standard HVAC units
PLUG PLAY UPGRADE - Simplifies maintenance with direct replacements for multiple part numbers
DURABLE BUILD QUALITY - Class F coil insulation and high-performance bulk molding for long-lasting reliability
UNIVERSAL COMPATIBILITY - Seamlessly replaces contactors from Mars, Furnas, Packard, and more
POWER PACKED PERFORMANCE - Handles up to 40 Amps for robust HVAC and lighting loads

The SunLee 2 Pole 40 Amp Contactor features a 120V coil and is engineered for heavy-duty HVAC and lighting applications. Designed to replace a wide range of 2 pole contactors from top brands, it boasts class F coil insulation and durable bulk molding for enhanced longevity. Compact and reliable, it’s the go-to solution for professionals seeking seamless, high-performance replacements.

Specifications

ASIN	B088895GBY
Brand Name	SUNLEE
Coil Voltage	120 Volts (AC)
Connector Type	Screw
Contact Current Rating	40 Amps
Contact Material	Silver
Current Rating	40 Amps
Customer Reviews	4.6 4.6 out of 5 stars (819)
Manufacturer	sunlee controls
Minimum Switching Voltage	120 Volts (AC)
Mounting Type	DIN Rail Mount
Number of Items	1
Operation Mode	Automatic
Specification Met	UL

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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.

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$96.31

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered 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 Ecuador.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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