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Circuit Protection / Fuses / Disconnects
Circuit Protection, Fuses and Disconnects
Circuit protection is a critical part of any industrial or commercial installation, to meet national codes and protect equipment and processes from excess energy that could cause damage or safety issues. An extensive selection of circuit breakers, supplementary protectors, fuses and holders, and disconnect switches is available, many complying with UL 98, UL 508, UL 489, and UL 1008 standards.
Circuit Breakers, Fuses, and Disconnect Switches
Category Selection
- UL 489 Rated Molded Case Circuit Breakers
- UL 489 Rated Miniature Circuit Breakers
- UL 1077 Rated Supplementary Protector Breakers
- Electronic Circuit Protection
- Industrial Electrical Fuses, Fuse Holders & Fuse Blocks
- UL 1008 Rated Manual Transfer Switches
- UL 98 & UL 508 Rated Disconnect Switches - Fusible / Non-Fusible
- Merz Rotary Cam Switches
Whether you prefer circuit breakers, fuses, disconnect switches or other types of short circuit protection, AutomationDirect carries a
full selection of industrial circuit protector devices at incredible prices.
UL 489 Rated Molded Case Circuit Breakers (MCCBs) - Fuji Electric
Fuji Molded Case Circuit Breakers are more compact than other breakers so control panels take up less space. Conforms UL / cULus / IEC / CE Marking / JIS / CCC standards.
- Suitable for feeder and branch circuits
- 5 Frame sizes, rated current of 15 to 800A, Max 600V
- Standard and high-interrupting capacities are available in identically sized breakers
UL 489 Rated Miniature Circuit Breakers
Eaton FAZ-NA and FAZ-NA-L miniature circuit breakers offer optimum and efficient protection for feeder, branch and control circuits up to 63 amps.
Gladiator miniature circuit breakers offer optimum and efficient protection for branch and control circuits up to 63 amps. The Gladiator series is available with B, C or D trip characteristics in accordance with UL 489.
UL 489 Rated Molded Case Circuit Breakers (MCCBs)
MCCBs provide UL 489 listed performance for branch circuit overcurrent protection and disconnecting means.
- Small MCCB size saves panel space
- Patented contact conductor design featuring high-speed "blow-open" action
- Advanced arc extinguishing technology
- Three position toggle handle (on/ off/ tripped)
- 4 Frame sizes, rated current of 15A to 600A
UL 1077 Supplementary Protectors
Eaton Corp. FAZ series supplementary protector breakers provide overcurrent protection where branch protection is already provided or not required.
Gladiator miniature supplemental protectors offer optimum and efficient protection for branch and control circuits up to 63 amps. The Gladiator series is available with B, C or D trip characteristics in accordance with UL 1077.
Electronic Circuit Protection
WAGO Multi-Channel Electronic Circuit Breakers
The electronic circuit breaker distributes and monitors the load current over several circuits. They reliably recognize overloads and short circuits on an output.
- One-Channel
- Two-Channel
- Four-Channel
- Eight-Channel
Electrical Fuses, Fuse Holders and Fuse Blocks
The Edison line of fuse products includes a wide variety of electrical fuses and accessories. Edison Fuse is a subsidiary of Cooper Industries, the worldwide leader in circuit protection.
- High speed Class J drive fuses
- Extremely fast acting Class T current limiting fuses
- Current limiting: Class CC, J, RK
- General purpose: Class M Midget and Small Dimension
- Slow blow fuses: Time delay fuses
- Electronic fuses
UL 1008 Rated Manual Transfer Switches
Socomec SIRCOVER switches are heavy duty manual transfer switches rated UL 1008, that ensure safe disconnection of load or transfer of sources under load.
- Compact design
- 2-, 3-, 4-poles
- 100A, 260A, 400A ratings
- 240VAC and 600VAC max operation voltage
- (not to be used as a motor disconnect)
Disconnect Switches
- Socomec UL 98 Fusible
- Socomec UL 489 Fusible
- Gladiator UL 98 Fusible
- Gladiator UL 508 Fusible
- Socomec UL 98 Non-Fusible
- Socomec Enclosed UL 508 Non-Fusible
- Merz Enclosed Disconnects (UL 508)
- Bryant Motor Controllers (UL 508)
- Socomec UL 508 Non-Fusible
- Merz Non-Fusible Disconnects & Manual Motor Controllers (UL 508)
Merz Rotary Cam Switches
Hardware for 4-hole door mounting and black operating handle included.
- 2 & 3 Pole changeover/transfer switches rated 25-80A, 50hp
- 2 & 3 Pole reversing switches rated 25-32A, 20hp
- Compact design
- Finger safe terminals with captive screws
- Suitable for use on a circuit capable of delivering not more than 5kA rms symmetrical amperes, 600V maximum
- Agency Approvals: CSA file #025483_0_000
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