Description
The Fuji BU-ESB3100 is a 100 Amp, 3-pole molded case circuit breaker designed for branch circuit protection. It provides reliable overload and short-circuit protection in 600 VAC electrical systems. This breaker includes an undervoltage release rated at 120 VAC, 50/60 Hz, making it suitable for industrial and commercial applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Fuji |
| Category |
Circuit Breaker |
| Part Number |
BU-ESB3100 |
| Subcategory |
Circuit Breaker |
| Series |
BU-ESB |
| Poles |
3 |
| Current Rating |
100 Amp |
| Voltage Rating |
600 VAC |
| Phase |
Three-Phase |
| Trip Type |
Thermal-Magnetic |
| Interrupting Capacity |
14kA @ 480V |
| Frame Size |
100AF |
| Circuit Breaker Type |
Molded Case |
| Application |
Branch Circuit Protection |
| Undervoltage Release |
120 VAC, 50/60Hz, 1.69A |
| Weight |
6 lbs |
Information About BU-ESB3100
The BU-ESB3100 is part of Fuji’s BU-ESB series of molded case circuit breakers, engineered for high-reliability circuit protection. It features a thermal-magnetic trip mechanism to safeguard circuits from both overloads and short circuits. The breaker has a frame size of 100AF and a 14kA interrupting capacity at 480V. It is designed for three-phase branch circuits and incorporates an undervoltage release for enhanced operational safety.
Key Features:
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Series: BU-ESB Series molded case circuit breaker for industrial use.
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Poles: 3-pole configuration for three-phase systems.
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Current Rating: 100 Amp continuous current handling.
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Voltage Rating: Rated for 600 VAC operation.
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Trip Type: Thermal-magnetic for overload and short-circuit protection.
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Interrupting Capacity: 14kA at 480V.
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Frame Size: 100AF frame for standard panel compatibility.
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Undervoltage Release: 120 VAC, 50/60 Hz, 1.69A.
The BU-ESB3100 delivers the reliability and precision required for branch circuit protection in industrial and commercial installations.
