Search  for anything...
CHTAIXI

DC Miniature Circuit Breaker, 2 Pole 1000V 40 Amp Isolator for Solar PV System, Thermal Magnetic Trip, DIN Rail Mount, Chtaixi DC Disconnect Switch C40

    • Based on 1,081 reviews
Condition: New
Checking for product changes
$15.98 Why this price?

Buy Now, Pay Later

As low as $3 / mo
  • – 4-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: 16 left in stock
Fulfilled by Amazon
Arrives Feb 4 – Feb 11
Order within 9 hours and 2 minutes
Available payment plans shown during checkout

Size: 40A


Features

  • FUNCTIONS: Used to protect power distribution facilities from overload and short-circuit damage, and can also be used for control and isolation.
  • FAST TRIP: The electromagnetic trip system can trip immediately when the circuit is short-circuited to protect the safety of the circuit.
  • ARC EXTINGUISHING: DC arc extinguishing is more difficult than AC. This DC mini circuit breaker has a magnetic system to assist arc extinguishing.
  • APPLICATION: Used in DC power system, ship electric power system, solar photovoltaic system, or other DC system.
  • INSTALLATION: Screw clamp wires, 35mm DIN rail mount.

Brand: CHTAIXI


Current Rating: 40 Amps


Product Dimensions: 1.42"D x 2.95"W x 31.5"H


Circuit Breaker Type: Standard


Mounting Type: DIN Rail Mount


Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 1.42 x 2.95 x 3.15 inches; 6.35 ounces


Item model number ‏ : ‎ DZ47Z-63


Date First Available ‏ : ‎ August 8, 2021


Manufacturer ‏ : ‎ CHTAIXI


Best Sellers Rank: #19,549 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #3 in Miniature Circuit Breakers


#3 in Miniature Circuit Breakers:


Customer Reviews: 4.6 4.6 out of 5 stars 1,081 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Feb 4 – Feb 11

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Nice size and functionality
Size: 32A
Easy installation and use. Looks good on the board and functions well. Good value for the money.
Reviewed in the United States on October 29, 2024 by BJ A.
    • Great Protection
Size: 32A
I installed 3 of these almost a year ago. I have had no issues with PV voltages from 3 solar arrays, all putting out up to 500 Vdc at times. I recently rewired a PV array of 12 panels. Made the mistake of inverting the polarity. When I turned on the breaker, it smoked, bigtime! then all was silent. No fire, no melting of the breaker. I measured the voltage at the input and realized the polarity was reversed. My bad! I disabled the voltage at the panels, rewired correctly, and connected to a new breaker. All worked well. My biggest point with this review is, even though the breaker fried, it kept the reverse voltage of over 400 Vdc from getting to the solar inverter and causing hundreds to thousands of dollars in damage. The breaker not only will trip if the amperage is exceeded, but also protects from reversed Vdc. Very thankful! ... show more
Reviewed in the United States on October 3, 2024 by RussVerk
    • Circuit breaker
Size: 63A
Easy to install, price point is good. Does it work as a circuit protector? I don't know, since I have never exceeded the setpoint. But works well as a switch.
Reviewed in the United States on September 26, 2024 by Amazon Customer
    • Worked very well
Size: 63A
This breaker worked well for my setup. The quality was great. I was not disappointed in the performance. Make you select the right amperage/voltage for your setup.
Reviewed in the United States on November 23, 2024 by Paul D.
    • Great fit easy to connect
Size: 40A
Great fir easy to connect and have a safety way to protect yourself and your equipment while working on it
Reviewed in the United States on December 15, 2024 by Ernesto Castellanos
    • Easy install
Size: 40A
Large wire handling capability. Attached wires, screw plate in place and snap on the disconnect.
Reviewed in the United States on December 12, 2024 by Steve
    • Super Unit to Make a Safer Solar Setup
Size: 63A
i'm using these between a set of solar panels wired in series-parallel and what has quickly become my most favorite compact Victron Solar Charge Controller, especially at its more recent favorable price (this one: https://amzn.to/3JhCLgR). I have found these miniature circuit breakers do the job perfectly: they are easy to install using the provided DIN rail and screws, easy to slide on/off or clip on/off to the rail while working with the cabling, and while a few other reviewers have mentioned cable grip, I have been fortunate, and have found the breaker to grip the cables well. It is important when purchasing breakers like these to consider size matching to ensure that the gauge of cable being used is an appropriate size for not only the electrical requirements of the system, but also for the cable slots in both the charge controller and the circuit breaker. PRO TIP: it is also important to carefully strip the wire ends to a proper length. The goal is adequate exposure to the terminals and terminal clamps, but not more than that. With both these breakers and the Victron charge controller, I was able to use 6AWG cable, stripped back about one-half inch, and the cables seated cleanly and firmly. Overall, not only is it a best-practice to safeguard your solar setup with proper breakers and/or fuses, it also makes it more convenient, safer, and provides some peace-of-mind when you need to work with it. Enjoy! ... show more
Reviewed in the United States on April 13, 2024 by J
    • Easy to use and mount
Size: 50A
You can't go wrong with this breaker, No need to look any farther.
Reviewed in the United States on December 2, 2024 by D. Stamper

Can't find a product?

Find it on Amazon first, then paste the link below.