Benshaw Molded Case Circuit Breakers

Benshaw molded case circuit breakers (MCCBs) are configured to protect electrical systems from overcurrent, short circuits, and other "events" that could lead to electrical system failure. They're used in industrial and commercial applications where reliable circuit protection is a must, and they're engineered to cover a wide range of current ratings, making them applicable to everything from small power panels to large power systems.

The durable molded case construction of Benshaw MCCBs allows them to withstand environmental challenges like moisture, dust, and extreme temperature changes. In even the most hostile environments, a molded case circuit breaker can deliver long-term performance and reliability. Benshaw MCCBs provide flexibility in how they can be used to protect your system. All the MCCBs have adjustable trip settings, which give the user the ability to set the protection level to accommodate the specific requirements of the system being protected.

Found 95 items
Normally In Stock
Benshaw R2CB-30A-100F-3P-HF-FTU Thermal Magnetic Breaker - 30 Amp, 3P, 600 VAC
Free U.S Ground shipping
$612.32
$510.27
Normally In Stock
Benshaw R2CB-400A-400F-3P-HF-FTU Thermal Magnetic Breaker - 400 Amp, 3P, 600 VAC
Free U.S Ground shipping
$2151.14
$1792.62
Normally In Stock
Benshaw R2CB-250A-250F-3P-NF-FTU Thermal Magnetic Breaker - 250 Amp, 3P, 600 VAC
Free U.S Ground shipping
$992.75
$827.29
Normally In Stock
Benshaw R2CB-250A-400F-3P-NF-FTU Thermal Magnetic Breaker - 250 Amp, 3P, 600 VAC
Free U.S Ground shipping
$1921.51
$1601.26
Normally In Stock
Benshaw R2CB-25A-100F-3P-NF-FTU Thermal Magnetic Breaker - 25 Amp, 3P, 600 VAC
Free U.S Ground shipping
$431.83
$359.86
Normally In Stock
Benshaw R2CB-300A-400F-3P-NF-FTU Thermal Magnetic Breaker - 300 Amp, 3P, 600 VAC
Free U.S Ground shipping
$1921.51
$1601.26
Normally In Stock
Benshaw R2CB-30A-100F-3P-NF-FTU Thermal Magnetic Breaker - 30 Amp, 3P, 600 VAC
Free U.S Ground shipping
$431.83
$359.86
Normally In Stock
Benshaw R2CB-400A-400F-3P-NF-FTU Thermal Magnetic Breaker - 400 Amp, 3P, 600 VAC
Free U.S Ground shipping
$1921.51
$1601.26
Normally In Stock
Benshaw R2CB-40A-100F-3P-NF-FTU Thermal Magnetic Breaker - 40 Amp, 3P, 600 VAC
Free U.S Ground shipping
$431.83
$359.86
Normally In Stock
Benshaw R2CB-40A-150F-3P-NF-FTU Thermal Magnetic Breaker - 40 Amp, 3P, 600 VAC
Free U.S Ground shipping
$704.86
$587.38
Normally In Stock
Benshaw R2CB-500A-600F-3P-NF-FTU Thermal Magnetic Breaker - 500 Amp, 3P, 600 VAC
Free U.S Ground shipping
$2890.27
$2408.56
Normally In Stock
Benshaw R2CB-50A-100F-3P-NF-FTU Thermal Magnetic Breaker - 50 Amp, 3P, 600 VAC
Free U.S Ground shipping
$431.83
$359.86
Normally In Stock
Benshaw R2CB-50A-150F-3P-NF-FTU Thermal Magnetic Breaker - 50 Amp, 3P, 600 VAC
Free U.S Ground shipping
$704.86
$587.38
Normally In Stock
Benshaw R2CB-600A-600F-3P-NF-FTU Thermal Magnetic Breaker - 600 Amp, 3P, 600 VAC
Free U.S Ground shipping
$2890.27
$2408.56
Normally In Stock
Benshaw R2CB-600A-800F-3P-NF-NG0 Thermal Magnetic Breaker - 600 Amp, 3P, 600 VAC
Free U.S Ground shipping
$3692.23
$3076.86
Normally In Stock
Benshaw R2CB-60A-100F-3P-NF-FTU Thermal Magnetic Breaker - 60 Amp, 3P, 600 VAC
Free U.S Ground shipping
$431.83
$359.86
Normally In Stock
Benshaw R2CB-60A-150F-3P-NF-FTU Thermal Magnetic Breaker - 60 Amp, 3P, 600 VAC
Free U.S Ground shipping
$704.86
$587.38
Normally In Stock
Benshaw R2CB-70A-100F-3P-NF-FTU Thermal Magnetic Breaker - 70 Amp, 3P, 600 VAC
Free U.S Ground shipping
$431.83
$359.86
Normally In Stock
Benshaw R2CB-70A-150F-3P-NF-FTU Thermal Magnetic Breaker - 70 Amp, 3P, 600 VAC
Free U.S Ground shipping
$704.86
$587.38
Normally In Stock
Benshaw R2CB-800A-800F-3P-NF-NG0 Electronic Trip Breaker - 800 Amp, 3P, 600 VAC
Free U.S Ground shipping
$3692.23
$3076.86
Normally In Stock
Benshaw R2CB-80A-100F-3P-NF-FTU Thermal Magnetic Breaker - 80 Amp, 3P, 600 VAC
Free U.S Ground shipping
$431.83
$359.86
Normally In Stock
Benshaw R2CB-80A-150F-3P-NF-FTU Thermal Magnetic Breaker - 80 Amp, 3P, 600 VAC
Free U.S Ground shipping
$704.86
$587.38
Normally In Stock
Benshaw R2CB-90A-100F-3P-NF-FTU Thermal Magnetic Breaker - 90 Amp, 3P, 600 VAC
Free U.S Ground shipping
$431.83
$359.86
Normally In Stock
Benshaw R2CB-90A-150F-3P-NF-FTU Thermal Magnetic Breaker - 90 Amp, 3P, 600 VAC
Free U.S Ground shipping
$704.86
$587.38
Normally In Stock
Benshaw R2CB-100A-150F-3P-HF-FTU Thermal Magnetic Breaker - 100 Amp, 3P, 600 VAC
Free U.S Ground shipping
$781.40
$651.17
Normally In Stock
Benshaw R2CB-125A-150F-3P-HF-FTU Thermal Magnetic Breaker - 125 Amp, 3P, 600 VAC
Free U.S Ground shipping
$781.40
$651.17
Normally In Stock
Benshaw R2CB-150A-150F-3P-HF-FTU Thermal Magnetic Breaker - 150 Amp, 3P, 600 VAC
Free U.S Ground shipping
$781.40
$651.17
Normally In Stock
Benshaw R2CB-150A-250F-3P-HF-FTU Thermal Magnetic Breaker - 150 Amp, 3P, 600 VAC
Free U.S Ground shipping
$1113.84
$928.20
Normally In Stock
Benshaw R2CB-15A-100F-3P-HF-FTU Thermal Magnetic Breaker - 15 Amp, 3P, 600 VAC
Free U.S Ground shipping
$612.32
$510.27
Normally In Stock
Benshaw R2CB-175A-250F-3P-HF-FTU Thermal Magnetic Breaker - 175 Amp, 3P, 600 VAC
Free U.S Ground shipping
$1113.84
$928.20
Normally In Stock
Benshaw R2CB-200A-250F-3P-HF-FTU Thermal Magnetic Breaker - 200 Amp, 3P, 600 VAC
Free U.S Ground shipping
$1113.84
$928.20
Normally In Stock
Benshaw R2CB-20A-100F-3P-HF-FTU Thermal Magnetic Breaker - 20 Amp, 3P, 600 VAC
Free U.S Ground shipping
$612.32
$510.27
Normally In Stock
Benshaw R2CB-225A-250F-3P-HF-FTU Thermal Magnetic Breaker - 225 Amp, 3P, 600 VAC
Free U.S Ground shipping
$1113.84
$928.20
Normally In Stock
Benshaw R2CB-250A-250F-3P-HF-FTU Thermal Magnetic Breaker - 250 Amp, 3P, 600 VAC
Free U.S Ground shipping
$1113.84
$928.20
Normally In Stock
Benshaw R2CB-250A-400F-3P-HF-FTU Thermal Magnetic Breaker - 250 Amp, 3P, 600 VAC
Free U.S Ground shipping
$2151.14
$1792.62
Normally In Stock
Benshaw R2CB-25A-100F-3P-HF-FTU Thermal Magnetic Breaker - 25 Amp, 3P, 600 VAC
Free U.S Ground shipping
$612.32
$510.27
Normally In Stock
Benshaw R2CB-300A-400F-3P-HF-FTU Thermal Magnetic Breaker - 300 Amp, 3P, 600 VAC
Free U.S Ground shipping
$2151.14
$1792.62
Normally In Stock
Benshaw R2CB-40A-150F-3P-HF-FTU Thermal Magnetic Breaker - 40 Amp, 3P, 600 VAC
Free U.S Ground shipping
$781.40
$651.17
Normally In Stock
Benshaw R2CB-500A-600F-3P-HF-FTU Thermal Magnetic Breaker - 500 Amp, 3P, 600 VAC
Free U.S Ground shipping
$3339.24
$2782.70
Normally In Stock
Benshaw R2CB-50A-150F-3P-HF-FTU Thermal Magnetic Breaker - 50 Amp, 3P, 600 VAC
Free U.S Ground shipping
$781.40
$651.17
Normally In Stock
Benshaw R2CB-600A-600F-3P-HF-FTU Thermal Magnetic Breaker - 600 Amp, 3P, 600 VAC
Free U.S Ground shipping
$3339.24
$2782.70
Normally In Stock
Benshaw R2CB-600A-800F-3P-HF-NG0 Thermal Magnetic Breaker - 600 Amp, 3P, 600 VAC
Free U.S Ground shipping
$4431.37
$3692.81
Normally In Stock
Benshaw R2CB-60A-150F-3P-HF-FTU Thermal Magnetic Breaker - 60 Amp, 3P, 600 VAC
Free U.S Ground shipping
$781.40
$651.17
Normally In Stock
Benshaw R2CB-70A-150F-3P-HF-FTU Thermal Magnetic Breaker - 70 Amp, 3P, 600 VAC
Free U.S Ground shipping
$781.40
$651.17
Normally In Stock
Benshaw R2CB-800A-800F-3P-HF-NG0 Electronic Trip Breaker - 800 Amp, 3P, 600 VAC
Free U.S Ground shipping
$4431.37
$3692.81
Normally In Stock
Benshaw R2CB-80A-150F-3P-HF-FTU Thermal Magnetic Breaker - 80 Amp, 3P, 600 VAC
Free U.S Ground shipping
$781.40
$651.17

More Information about Benshaw Molded Case Breakers

These circuit breakers react swiftly to faults, and by doing so, they minimize damage to equipment that is connected to electrical circuits. They are not only responsive but also safe and easy to install. Installers find them to be straightforward in both setup and maintenance, thanks to the clear labeling and intuitive user interfaces. And as for the appearance of these breakers, Benshaw's molded case circuit breakers are nicely compact, allowing efficient use of space in electrical panels while still providing high-performance protection.

Benshaw MCCBs meld perfectly with other electrical parts and systems, delivering complete safety and control in both new electrical installations and retrofit applications. The reliability and advanced protection features of our MCCBs are the reasons they are a chosen solution for safeguarding critical electrical infrastructure across a broad range of industries.

FAQs

Q: What are Benshaw R2CB molded case circuit breakers used for?
Benshaw R2CB MCCBs provide overload and short-circuit protection for industrial electrical equipment, helping protect motors, feeders, and power distribution systems.

Q: What current ratings are available in the R2CB series?
The R2CB series is available in seven compact frame sizes, covering a wide range from 1 amp up to 1200 amps.

Q: What protection features do these circuit breakers offer?
They feature fixed thermal and magnetic trip protection, with larger frame sizes (800–1200A) offering electronic trip units. High interrupting ratings up to 100kA at 480V ensure strong fault protection.

Q: Are Benshaw MCCBs suitable for industrial environments?
Yes. They are built with compact, durable molded cases and are UL 489 listed, making them suitable for demanding industrial applications.

Q: What accessories are available for Benshaw molded case circuit breakers?
A full range of accessories is available, including shunt trips, auxiliary switches, terminal shields, busbar connectors, mechanical interlocks, and rotary or flange-mounted operators.

What is a Circuit Breaker?

There are two different types of technologies that are commonly used in circuit breakers. 

Magnetic Breakers

Magnetic Breakers are designed to react to short circuits or sharp spikes in voltage and current. The more current that passes through the breaker’s electromagnet, the stronger the magnet becomes. When the current exceeds the rating for that particular breaker, the magnetic force becomes strong enough that it will pull the contact back and disconnect it from the other contact, disconnecting power from the device.

Thermal Protection Breakers

Thermal Protection Breakers protect against a sustained overcurrent, or a higher current, for a longer period of time. Thermal protection uses a Bimetal strip that will bend the contacts away from each other to disconnect power. Thermal Magnetic Breakers are the most common type of circuit breakers. They combine magnetic technology to protect against short circuits or sharp spikes and thermal technology that protects against sustained overcurrent for a long period of time.