Littelfuse, Inc. Datasheets for Circuit Breakers

Circuit breakers are mechanical switching devices capable of breaking currents under specified abnormal circuit conditions.
Circuit Breakers: Learn more

Product Name Notes
Designed to fit in a MINI® Blade fuse block or panel. SAE Type II used primarily as a wiring harness protector in 12 volt DC automotive systems. Conforms to SAE...
Direct factory replacement for many domestic OEM vehicles. SAE Type I and Type II modified reset used primarily as a wiring harness protector in 12 volt DC automotive systems. Conforms...
Direct replacement for many OEM applications. Designed for glass fuses without physical alteration in the system. Fits 1 1/4" fuse clips. SAE Type II non-cycling used primarily as a wiring...
Direct replacement for many OEM applications. Designed for glass fuses without physical alteration in the system. Fits 1inch fuse clips. SAE Type II non-cycling used primarily as a wiring harness...
Fuses & Overcurrent Protection - Circuit Breakers - Series: Carling Retail Circuit Breakers - CTTB001-BP
Fuses & Overcurrent Protection - Circuit Breakers - Series: Carling Retail Circuit Breakers - CTTB001
Fuses & Overcurrent Protection - Circuit Breakers - Series: Carling Retail Circuit Breakers - CTTB002-BP
Fuses & Overcurrent Protection - Circuit Breakers - Series: Carling Retail Circuit Breakers - CTTB002
Fuses & Overcurrent Protection - Circuit Breakers - Series: Carling Retail Circuit Breakers - CTTB003-BP
Fuses & Overcurrent Protection - Circuit Breakers - Series: Carling Retail Circuit Breakers - CTTB003
Fuses & Overcurrent Protection - Circuit Breakers - Series: Carling Retail Circuit Breakers - CTTB004-BP
Fuses & Overcurrent Protection - Circuit Breakers - Series: Carling Retail Circuit Breakers - CTTB004
Hi-Amp Thermo Plastic Waterproof Circuit Breakers
MINI® Circuit BreakersStandard Mini Footprint Circuit Breakers are designed to fit in a MINI® Blade fuse block or panel. SAE Type I used primarily as a wiring harness protector in...
MINI® Circuit BreakersStandard Mini Footprint Circuit Breakers are designed to fit in a MINI® Blade fuse block or panel. SAE Type II used primarily as a wiring harness protector in...
Relays, Contactors & Transformers - Definite Purpose Contactors - Series: HCD - Auxiliary Switch - CON-AUX300-1
Relays, Contactors & Transformers - Definite Purpose Contactors - Series: HCD - Auxiliary Switch - CON-AUX300-2
Relays, Contactors & Transformers - Definite Purpose Contactors - Series: HCD - Auxiliary Switch - CON-AUX600
Steel or plastic housing. Steel box type is approximately 1 ¼" x ¾" x 2/3" Comes with integral brackets (to be directly affixed with screws or bolts) or without (needs...
Thermal Magnetic Circuit Breakers have both short circuit and overload protection built-in to protect the conductors and other elements connected to the circuit breaker from the dangers of excessive current.
These high amp circuit breakers are typically used in auxiliary and accessory circuits for trucks, buses,RVs and marine applications in battery charger systems and DC audio systems. All high amp...
These products function identically and have same internal components as OEM breakers but offer the versatility of snap off terminals for greater flexibility. SAE Type II modified reset used primarily...
This product is not recommended for new designs Circuit breakers and fuses are a cost-effective solution to protecting wiring, equipment and subsystems. While fuses are a one-time, disposable solution, circuit...
This product is not recommended for new designs Designed to fit in a MINI® Blade fuse block or panel. SAE Type II used primarily as a wiring harness protector in...
This product is not recommended for new designs Direct replacement for many OEM applications. Designed for glass fuses without physical alteration in the system. Fits 11 /4" fuse clips. SAE...
This product is not recommended for new designs Direct replacement for many OEM applications. Designed for glass fuses without physical alteration in the system. Fits 11 /4"" fuse clips. SAE...
This product is not recommended for new designs
This product is not recommended for new designsCircuit breakers and fuses are a cost-effective solution to protecting wiring, equipment and subsystems. While fuses are a one-time, disposable solution, circuit breakers...
Type I and Type II Automotive Breakers
Universal Circuit Breakers function identically and have same internal components as OEM breakers but offer the versatility of snap off terminals for greater flexibility. SAE Type II modified reset used...