Definite Purpose Contactor Lug Terminals 40 A 120Vac 3NO | Ex9CK40B30G7

Definite Purpose Contactor Lug Terminals 40 A 120Vac 3NO | Ex9CK40B30G7

Marsoni

M251S

$71.38

Get it in 3 business days with 1 day shipping. Friday, May 29

Definite Purpose Contactor Lug Terminals 40 A 120Vac 3NO | Ex9CK40B30G7NOARK Manual Product Details : Definite Purpose Contactor Lug Terminals 40 A 120Vac 3NO Ex9CK40B30G7 Part No: Ex9CK40B30G7 Product Type: Definite Purpose Contactor Brand: NOARK Series: Ex9CK Terminal Type: Lug Coil Voltage (V): 120Vac Frequency (Hz): 50 60 Hz Rated Current (Amps): 40 A No. Of Poles: 3 Contacts: 3NO Limited Warranty: 5 Years Certifications: UL Recognized Component, File Number E353866 Certified for Canada According to CSA Standards IEC

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This relay has experienced failure again after just a couple of months of use. It's not the mag coil that fails but rather the contacts are of such low quality that they corrode beyond their ability to conduct power, and fast. I have had to change two of these so far and am on the third one. The seller will ship replacements but who wants to keep replacing them? I have to travel in my RV with a spare. This relay has never been exposed to the elements. It's safely mounted inside a sealed bay. Be aware of any brands that look like this, they are all the same.

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Reviewed in the United States on November 15, 2025

Verified Purchase

Dave Kulina

Carnegie, US

★★★★★ 5

Works great

I added extra batteries to run a truck camper without killing my main battery and this works great. Simple to install and i have no had any problems in the pay few months and i use it every single day

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Reviewed in the United States on April 18, 2021

Verified Purchase

Amazon Customer

Alexandria, US

★★★★★ 5

Installed in my RV.

This product works well. It is somewhat difficult to mount. The contact points are a little too close together. These deficiencies are understandable given its low cost and small size.

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Reviewed in the United States on January 18, 2021

Verified Purchase

Amazon Customer

Birmingham, US

★★★★★ 5

Inexpensive part and YouTube knowledge lead to quick fix

Size: 96158T-1PCS

Solenoid went out on boat. After viewing multiple videos on YouTube I figured that my solenoid was bad. Ordered this and received a day later. Replaced the other one and this worked perfectly.

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Reviewed in the United States on August 9, 2025

Verified Purchase

Ivar Andreassen

Boise, US

★★★★★ 5

Worked perfectly!

Size: 96158T-1PCS

Have an older Mercury 40hp 2 stroke. This Solenoid worked perfectly. It is not that easy to install, due to the design of the engine. It does require a bit of patient and the right tools to do it. If you have big hands and don't do this type of repair to often, call a friend that is better than you to get some help :) I have an older engine but it runs like charm. I will order an extra Solenoid and place in the box of "important spare parts" for the future. Very good experience for the purchase and overall quality of the part.

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Reviewed in the United States on January 14, 2022