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12V-110V DC Miniature Circuit Breaker, 20 Amp 1 Pole Battery Breaker Protector for Solar PV System and RV, Thermal Magnetic Trip, DIN-Rail/Surface Mount, Chtaixi DC Disconnect Switch B20

Free shipping on orders over $29.99

$9.47

$ 4 .99 $4.99

In Stock

1.Size:6 A


2.Style:1 Pole


About this item

  • FUNCTIONS: Used to protect 12V 24V 36V 48V 60V 100V DC circuit from overload and short circuit damage, and can also be used for control and isolation.
  • ARC EXTINGUISHING: This DC mini circuit breaker has a magnetic system to assist arc extinguishing.
  • CURVE B: Magnetic trip range 4-7 times rated current.
  • APPLICATION: Used in battery power systems, solar photovoltaic systems, RV, electric moped, or other DC systems.
  • INSTALLATION: Screw clamps wire or M5 wire lug (size fits), 35 mm DIN rail mount or surface mount.



Product Description

DC circuit breaker battery isolator disconnect switch 12V 24V 36V 48V 60V 72V 90V 100V solar rv ban
DC circuit breaker battery isolator disconnect switch 12V 24V 36V 48V 60V 72V 90V 100V solar CURVE B

DC circuit breaker battery isolator disconnect switch 12V 24V 36V 48V 60V 72V 90V 100V solar CHTAIXI
Warm Tips:
  • Pay attention to polarity.
  • Select wire size according to rated current .

DC Miniature Circuit Breaker

TXC65Z-60 Curve B 1P

  • Magnetic trip range 4-7 times rated current.
  • Suitable for low short-circuit current circuits.
  • Low voltage circuits short-circuit protection.
  • Can be used in 12V 24V 36V 48V low voltage circuits.

package includes:

  • 1 x DC miniature circuit breaker (1P)
  • 2 x screws (for surface mount, No DIN rail)

Quality Products to Protect Your Electricity Safety

DC circuit breaker battery isolator disconnect switch 12V 24V 36V 48V 60V 72V 90V 100V solar sliver

Silver Alloy Contacts

Contacts are very important to circuit breakers, especially for DC distribution with high arc extinguishing requirements. Good contacts can reduce the heat generated by arcing during disconnection and reduce the wear of the contacts. This DC mini circuit breaker uses silver alloy contacts, which protects your electricity safety for a long time.

DC circuit breaker battery isolator disconnect switch 12V 24V 36V 48V 60V 72V 90V 100V solar rv ARC2

Magnetic Arc Extinguishing

AC has a zero-crossing point, but DC does not, so DC arc is more difficult to extinguish than AC arc, which is why AC circuit breakers can Not be used for DC power, and DC circuit breakers can be used for AC power. This DC MCB is equipped with a magnetic field system under the breaking contacts, which can pull the arc to the arc extinguishing chamber to assist arc extinguishing.

DC solar circuit breaker battery isolator disconnect switch 12V 24V 36V 48V 60V 72V 90V 100V rv red

Indication

  • Green indication: OFF
  • Red indication: ON

Specifications

product type DC Miniature Circuit Breaker
rated operational voltage 12V - 110V DC
rated current [In] 6A / 10A / 15 A / 20 A / 25 A / 32 A / 40 A / 50 A / 60 A (optional)
poles 1 P
trip unit technology Thermal-magnetic
curve code B
breaking capacity 6 kA Ics=Icu
Uimp 4 kV
mechanical durability 10000 cycles
electrical durability 2000 cycles
operating temperature -13°F(-25℃) ~ 140°F(60℃)
mounting support 35 mm DIN rail
tightening torque 2.5 N.m
standard IEC60947-2
DC circuit breaker battery isolator disconnect switch 12V 24V 36V 48V 60V 72V 90V 100V solar surface

Surface Mount

  • We first recommend that you mount on a DIN rail. For some cases, can also surface mount(1 pole only).
  • Select any 2 from the 6 side holes of the circuit breaker and fix them with the 2 long screws provided.
  • You can choose the position and handle facing depending on the convenience of toggling the switch and cable removal.

Chuck S.
Reviewed in the United States on February 4, 2025
Fits in a small box and does it's job without self destruction. Using a DC breaker is so nice. AC breakers can maintain an arc and cause heat issues. No worries here.
Ray
Reviewed in Mexico on January 10, 2025
Muy util
Ishop
Reviewed in the United States on May 7, 2024
I used two of these to switch off solar for each of my solar arrays on the RV, they work well, fit in a nice box, and don't take up much space. I'm happy with the purchase.
M. Dillon
Reviewed in the United States on March 10, 2024
These little breakers are great but note that Chtaixi 1-pole breakers are polarized. Their 2-pole breakers not polarized. So generally speaking in a solar/battery setup you will want the 2-pole breakers and not these.
Old ET
Reviewed in the United States on February 1, 2024
Hopefully never need these, but will be glad I used them, if something happens. Seems excellent quality. The terminals are large enough to accommodate larger gauges of wire.
Customer
Reviewed in the United States on December 31, 2024
These breakers definitely work but caution should be used when using right at 12 volts with a weak power supply. I hooked these up for a test with a cheap 24 volt to 12 volt step down converter. When shorted, the load would cause the voltage to drop below 12v and these breakers would repetitively click but not trip. The result was very warm wires. Fortunately, other parts of my system shut down. I then hooked it up to a quality step down converter at 13.4 volts and these would reliably trip every time when shorted. I'm going to confidently use these with quality equipment for my entire setup (10 total breakers) Just make sure that your equipment doesn't drop below 12 volts. I'd also recommend checking the wire clamps after 24 hours as they like to "settle in" a bit and can take another tightening.
Battlefrenzy
Reviewed in the United States on December 23, 2024
Works as described.
Adriaan
Reviewed in Mexico on November 16, 2024
Hasta ahora funciona así que nada mal por el precio
Ralph demonte
Reviewed in the United States on January 24, 2023
I used the circuit breaker on my e bike kit for my e bike conversion from regular fuse and it worked perfectly . This is a very good mini breaker and Iam going to buy more.
George N Arsement
Reviewed in the United States on July 19, 2022
This breaker is a great fit for my solar setup.