Circuit-Breakers > Stud-Mount-Circuit-Breakers

12V Auto Reset Metal Circuit Breakers with Mounting Bracket

Automotive circuit breakers provide continuous protection during an overcurrent. This is specific to DC applications. An auto-reset circuit breaker continues to cycle until the overcurrent is both found and corrected. With a wide variety of 12V circuit breakers, Del City is certain to have the breaker for you. The 12 volt canned breakers are available from 5-50 amps. The automotive circuit breakers are available with brackets or without bracket, in a metal or plastic housing. The 12V circuit breakers are stud mount and single pole. With these characteristics, the 12 volt circuit breaker is referred to as a type 1 circuit breaker. This automotive circuit breaker can be used in a variety of applications including trucks, buses, or other vehicles. 1 12V automotive circuit breaker is useful in welding applications, power outlet strips, portable generators, and trolling motors. See below for the variety of 12V circuit breakers available to you from Del City!

Products on this page may be affected by tariff charges at checkout.


  • Operating temperature: -10° F to 150° F.
  • Storage temperature: -20° F to 200° F.
  • Engineered for durability.
  • Breakers include nuts and washers.
  • Constructed with internal composite alloy material to deflect and separate the contacts when an overcurrent situation occurs and return to the run mode as it cools.
  • Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Metal, is comparable with EATON/Bussmann parts: 121A05-A2M-KA, 121A06-A2M-KA, 121A10-A2M-KA, 121A15-A2M-KA, 121A20-A2M-KA, 121A25-A2M-KA, 121A30-A2M-KA, 121A35-A2M-KA, 121A40-A2M-KA, 121A50-A2M-KA
  • Click here for the circuit breaker insulator.

Item Description Price
1+ I Ext. Price I 25+ Ext. Price I I 200+ Ext. Price I
Qty in
Package
In Stock Add to Cart
72101 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Metal, 5 Amp (1 MIN) drawing
3.28100 3.28 I 2.71200 2.71 I 2.03900 2.04
1 EA
72102 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Metal, 6 Amp (1 MIN) drawing
3.28100 3.28 I 2.71200 2.71 I 2.03900 2.04
1 EA
72105 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Metal, 10 Amp (1 MIN) drawing
3.37400 3.37 I 2.71200 2.71 I 2.03900 2.04
1 EA
72115 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Metal, 15 Amp (1 MIN) drawing
3.37400 3.37 I 2.71200 2.71 I 2.03900 2.04
1 EA
72125 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Metal, 20 Amp (1 MIN) drawing
3.37400 3.37 I 2.71200 2.71 I 2.03900 2.04
1 EA
72075 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Metal, 25 Amp (1 MIN) drawing
3.28100 3.28 I 2.71200 2.71 I 2.03900 2.04
1 EA Call
72135 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Metal, 30 Amp (1 MIN) drawing
3.37400 3.37 I 2.71200 2.71 I 2.03900 2.04
1 EA
72145 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Metal, 35 Amp (1 MIN) drawing
3.37400 3.37 I 2.71200 2.71 I 2.03900 2.04
1 EA
72165 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Metal, 40 Amp (1 MIN) drawing
3.37400 3.37 I 2.71200 2.71 I 2.03900 2.04
1 EA
72175 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Metal, 50 Amp (1 MIN) drawing
3.80900 3.81 I 3.07400 3.07 I 2.31800 2.32
1 EA

12V Auto Reset Metal Circuit Breakers with Parallel Mounting Bracket

Automotive circuit breakers provide continuous protection during an overcurrent. This is specific to DC applications. An auto-reset circuit breaker continues to cycle until the overcurrent is both found and corrected. With a wide variety of 12V circuit breakers, Del City is certain to have the breaker for you. The 12 volt canned breakers are available from 5-50 amps. The automotive circuit breakers are available with brackets or without bracket, in a metal or plastic housing. The 12V circuit breakers are stud mount and single pole. With these characteristics, the 12 volt circuit breaker is referred to as a type 1 circuit breaker. This automotive circuit breaker can be used in a variety of applications including trucks, buses, or other vehicles. 1 12V automotive circuit breaker is useful in welding applications, power outlet strips, portable generators, and trolling motors. See below for the variety of 12V circuit breakers available to you from Del City!

Products on this page may be affected by tariff charges at checkout.


  • Constructed with internal composite alloy material to deflect and separate the contacts when an overcurrent situation occurs and return to the run mode as it cools.
  • Operating temperature: -10° F to 150° F.
  • Storage temperature: -20° F to 200° F.
  • Engineered for durability.
  • Breakers include nuts and washers.
  • Comparable to EATON/Bussmann parts: 121A05-B2M-KA, 121A10-B2M-KA, 121A15-B2M-KA, 121A20-B2M-KA, 121A25-B2M-KA, 121A30-B2M-KA, 121A35-B2M-KA, 121A40-B2M-KA, 121A50-B2M-KA
  • Click here for the circuit breaker insulator.

Item Description Price
1+ I Ext. Price I 25+ Ext. Price I I 200+ Ext. Price I
Qty in
Package
In Stock Add to Cart
71100 Auto Reset Stud Mount Circuit Breaker with Parallel Mounting Bracket, Metal, 5 Amp (1 MIN) drawing
3.28100 3.28 I 2.71200 2.71 I 2.03900 2.04
1 EA
71106 Auto Reset Stud Mount Circuit Breaker with Parallel Mounting Bracket, Metal, 10 Amp (1 MIN) drawing
3.28100 3.28 I 2.71200 2.71 I 2.03900 2.04
1 EA
71108 Auto Reset Stud Mount Circuit Breaker with Parallel Mounting Bracket, Metal, 15 Amp (1 MIN) drawing
3.28100 3.28 I 2.71200 2.71 I 2.03900 2.04
1 EA
71110DL Auto Reset Stud Mount Circuit Breaker with Parallel Mounting Bracket, Metal, 20 Amp (1 MIN) drawing
3.28100 3.28 I 2.71200 2.71 I 2.03900 2.04
1 PC
71112DL Auto Reset Stud Mount Circuit Breaker with Parallel Mounting Bracket, Metal, 25 Amp (1 MIN) drawing
3.28100 3.28 I 2.71200 2.71 I 2.03900 2.04
1 EA
71114 Auto Reset Stud Mount Circuit Breaker with Parallel Mounting Bracket, Metal, 30 Amp (1 MIN) drawing
3.28100 3.28 I 2.71200 2.71 I 2.03900 2.04
1 EA
71116 Auto Reset Stud Mount Circuit Breaker with Parallel Mounting Bracket, Metal, 35 Amp (1 MIN) drawing
3.28100 3.28 I 2.71200 2.71 I 2.03900 2.04
1 EA
71118 Auto Reset Stud Mount Circuit Breaker with Parallel Mounting Bracket, Metal, 40 Amp (1 MIN) drawing
3.28100 3.28 I 2.71200 2.71 I 2.03900 2.04
1 EA
71120 Auto Reset Stud Mount Circuit Breaker with Parallel Mounting Bracket, Metal, 50 Amp (1 MIN) drawing
3.80900 3.81 I 3.07400 3.07 I 2.31800 2.32
1 EA

12V Auto Reset Metal Circuit Breakers without Bracket

An auto reset automotive circuit breaker provides continued operation during an overcurrent condition in DC applications, and will continue to recycle until the source of the overcurrent is removed or corrected. Del City offers a variety of auto reset automotive circuit breakers rated at 12V in a range of amperages from 5 amp - 50 amp. Breakers are available in metal or plastic housings, and with or without brackets. Additionally, this line of breakers are single pole and stud mount. These are commonly referred to as type 1 breakers, and can be used in many diverse automotive applications including trucks and buses, but can also be used in multiple power outlet strips, portable generators, welding equipment and trolling motors. Use with circuit breaker mounting brackets for simple installation.

Products on this page may be affected by tariff charges at checkout.


  • Constructed with internal composite alloy material to deflect and separate the contacts when an overcurrent situation occurs and return to the run mode as it cools.
  • Operating temperature: -10° F to 150° F.
  • Storage temperature: -20° F to 200° F.
  • Engineered for durability.
  • Breakers include nuts and washers.
  • Comparable with EATON/Bussmann parts: 121A06-00M-KA, 121A10-00M-KA, 121A12-00M-KA, 121A15-00M-KA, 121A20-00M-KA, 121A25-00M-KA, 121A30-00M-KA, 121A40-00M-KA, 121A50-00M-KA
  • Click here for the circuit breaker insulator.

Item Description Price
1+ I Ext. Price I 25+ Ext. Price I I 200+ Ext. Price I
Qty in
Package
In Stock Add to Cart
72302 Auto Reset Stud Mount Circuit Breaker w/o Mounting Bracket, Metal, 6 Amp (1 MIN) drawing
2.82600 2.83 I 2.37 2.37 I 1.69700 1.70
1 EA
72305 Auto Reset Stud Mount Circuit Breaker w/o Mounting Bracket, Metal, 10 Amp (1 MIN) drawing
3.04300 3.04 I 2.37 2.37 I 1.69700 1.70
1 EA
72312 Auto Reset Stud Mount Circuit Breaker w/o Mounting Bracket, Metal, 12 Amp (1 MIN)
3.04300 3.04 I 2.37 2.37 I 1.69700 1.70
1 EA
72315 Auto Reset Stud Mount Circuit Breaker w/o Mounting Bracket, Metal, 15 Amp (1 MIN) drawing
3.04300 3.04 I 2.37 2.37 I 1.69700 1.70
1 EA
72325 Auto Reset Stud Mount Circuit Breaker w/o Mounting Bracket, Metal, 20 Amp (1 MIN) drawing
3.04300 3.04 I 2.37 2.37 I 1.69700 1.70
1 EA
72365 Auto Reset Stud Mount Circuit Breaker w/o Mounting Bracket, Metal, 25 Amp (1 MIN) drawing
2.82600 2.83 I 2.37 2.37 I 1.69700 1.70
1 EA
72335 Auto Reset Stud Mount Circuit Breaker w/o Mounting Bracket, Metal, 30 Amp (1 MIN) drawing
3.04300 3.04 I 2.37 2.37 I 1.69700 1.70
1 EA
72345 Auto Reset Stud Mount Circuit Breaker w/o Mounting Bracket, Metal, 40 Amp (1 MIN) drawing
3.04300 3.04 I 2.37 2.37 I 1.69700 1.70
1 EA Call
72385 Auto Reset Stud Mount Circuit Breaker w/o Mounting Bracket, Metal, 50 Amp (1 MIN) drawing
3.16700 3.17 I 2.57700 2.58 I 1.97700 1.98
1 EA

12V Auto Reset Plastic Circuit Breakers with Mounting Bracket

Automotive circuit breakers provide continuous protection during an overcurrent. This is specific to DC applications. An auto-reset circuit breaker continues to cycle until the overcurrent is both found and corrected. With a wide variety of 12V circuit breakers, Del City is certain to have the breaker for you. The 12 volt canned breakers are available from 5-50 amps. The automotive circuit breakers are available with brackets or without bracket, in a metal or plastic housing. The 12V circuit breakers are stud mount and single pole. With these characteristics, the 12 volt circuit breaker is referred to as a type 1 circuit breaker. This automotive circuit breaker can be used in a variety of applications including trucks, buses, or other vehicles. 1 12V automotive circuit breaker is useful in welding applications, power outlet strips, portable generators, and trolling motors. See below for the variety of 12V circuit breakers available to you from Del City!

Products on this page may be affected by tariff charges at checkout.


  • Constructed with internal composite alloy material to deflect and separate the contacts when an overcurrent situation occurs and return to the run mode as it cools.
  • Operating temperature: -10° F to 150° F.
  • Storage temperature: -20° F to 200° F.
  • Engineered for durability.
  • Breakers include nuts and washers.
  • Comparable with EATON/Bussmann parts: 121A10-A2P-KA, 121A15-A2P-KA, 121A20-A2P-KA, 121A25-A2P-KA, 121A30-A2P-KA, 121A40-A2P-KA
  • Click here for the circuit breaker insulator.

Item Description Price
1+ I Ext. Price I 25+ Ext. Price I I 200+ Ext. Price I
Qty in
Package
In Stock Add to Cart
72215 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Plastic, 10 Amp (1 MIN) drawing
3.03300 3.03 I 2.55600 2.56 I 1.69700 1.70
1 EA
72225 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Plastic, 15 Amp (1 MIN) drawing
3.03300 3.03 I 2.55600 2.56 I 1.69700 1.70
1 EA
72235 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Plastic, 20 Amp (1 MIN) drawing
3.03300 3.03 I 2.55600 2.56 I 1.69700 1.70
1 EA
72245 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Plastic, 25 Amp (1 MIN) drawing
3.03300 3.03 I 2.55600 2.56 I 1.69700 1.70
1 EA
72255 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Plastic, 30 Amp (1 MIN) drawing
3.03300 3.03 I 2.55600 2.56 I 1.69700 1.70
1 EA
72275 Auto Reset Stud Mount Circuit Breaker with Mounting Bracket, Plastic, 40 Amp (1 MIN) drawing
3.03300 3.03 I 2.55600 2.56 I 1.69700 1.70
1 EA

12V Auto Reset Plastic Circuit Breaker with Parallel Mounting Bracket

Automotive circuit breakers provide continuous protection during an overcurrent. This is specific to DC applications. An auto-reset circuit breaker continues to cycle until the overcurrent is both found and corrected. With a wide variety of 12V circuit breakers, Del City is certain to have the breaker for you. The 12 volt canned breakers are available from 5-50 amps. The automotive circuit breakers are available with brackets or without bracket, in a metal or plastic housing. The 12V circuit breakers are stud mount and single pole. With these characteristics, the 12 volt circuit breaker is referred to as a type 1 circuit breaker. This automotive circuit breaker can be used in a variety of applications including trucks, buses, or other vehicles. 1 12V automotive circuit breaker is useful in welding applications, power outlet strips, portable generators, and trolling motors. See below for the variety of 12V circuit breakers available to you from Del City!

Products on this page may be affected by tariff charges at checkout.


  • Constructed with internal composite alloy material to deflect and separate the contacts when an overcurrent situation occurs and return to the run mode as it cools.
  • Operating temperature: -10° F to 150° F.
  • Storage temperature: -20° F to 200° F.
  • Engineered for durability.
  • Breakers include nuts and washers.
  • Comparable with EATON/Bussmann parts: 121A10-B2P-KA, 121A15-B2P-KA, 121A20-B2P-KA, 121A25-B2P-KA, 121A30-B2P-KA, 121A40-B2P-KA
  • Click here for the circuit breaker insulator.

Item Description Price
1+ I Ext. Price I 25+ Ext. Price I I 200+ Ext. Price I
Qty in
Package
In Stock Add to Cart
71122 Auto Reset Stud Mount Circuit Breaker with Parallel Bracket, Plastic, 10 Amp (1 MIN) drawing
3.03300 3.03 I 2.55600 2.56 I 1.69700 1.70
1 EA
71124 Auto Reset Stud Mount Circuit Breaker with Parallel Bracket, Plastic, 15 Amp (1 MIN) drawing
3.03300 3.03 I 2.55600 2.56 I 1.69700 1.70
1 EA
71126 Auto Reset Stud Mount Circuit Breaker with Parallel Bracket, Plastic, 20 Amp (1 MIN) drawing
3.03300 3.03 I 2.55600 2.56 I 1.69700 1.70
1 EA
71128 Auto Reset Stud Mount Circuit Breaker with Parallel Bracket, Plastic, 25 Amp (1 MIN) drawing
3.03300 3.03 I 2.55600 2.56 I 1.69700 1.70
1 EA
71130 Auto Reset Stud Mount Circuit Breaker with Parallel Bracket, Plastic, 30 Amp (1 MIN) drawing
3.03300 3.03 I 2.55600 2.56 I 1.69700 1.70
1 EA
71132 Auto Reset Stud Mount Circuit Breaker with Parallel Bracket, Plastic, 40 Amp (1 MIN) drawing
3.03300 3.03 I 2.55600 2.56 I 1.69700 1.70
1 EA Call
Prop65 Warning