Eaton xEffect MCB, 3P, 50A Curve B, 240 → 415V AC, 10 kA Breaking Capacity

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£112.65

(exc. VAT)

£135.18

(inc. VAT)

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RS Stock No.:
847-3172
Mfr. Part No.:
278852 FAZ-B50/3
Brand:
Eaton
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Brand

Eaton

Number of Poles

3

Current Rating

50A

Tripping Characteristics

Type B

Rated AC Voltage

240 → 415V

Breaking Capacity at Maximum Voltage Rating

10 kA

Range

xEffect

Circuit Breaker Type

MCB

Width

85mm

Length

54mm

Mounting Style

DIN Rail Mount

Depth

73mm

Eaton MCB, 3 Poles, 50A Current Rating - 278852 FAZ-B50/3


This Eaton MCB is a high-quality circuit protection device designed for efficient use in various electrical applications. It features a 50A current rating and is a 3 pole circuit breaker, making it ideal for both commercial and industrial settings. The MCB is suited for DIN rail mounting and measures 54mm in width and 80mm in length, ensuring compatibility with standard control panel configurations.

Features & Benefits


• Type B MCB allows for reliable thermal-magnetic overcurrent protection
• Maximum breaking capacity of 10 kA prevents electrical damage
• Suitable for electrical safety devices in both commercial and industrial environments
• Compact design fits standard DIN rail systems for easy installation
• Current limiting feature reduces let-through energy during faults
• BI compliance ensures safe and efficient operation in various applications

Applications


• Used in control circuits requiring supplementary protection
• Ideal for lighting systems in commercial settings
• Suitable for protecting business equipment and domestic appliances
• Functions effectively in demand including PLC wiring

How does the thermal-magnetic protection work in this device?


The device combines thermal and magnetic mechanisms that trip the circuit under overload conditions, ensuring that it responds swiftly to potential electrical faults while providing consistent protection for connected loads.

What is the significance of the maximum breaking capacity in this MCB?


The 10 kA breaking capacity means that the device can effectively interrupt high fault currents, which mitigates the impact of electrical surges and protects the overall electrical system from damage.

Can this circuit breaker be used for both single-phase and three-phase systems?


Yes, it is versatile and can be applied in both types of systems, making it suitable for various electrical installations while maintaining efficient operation.

What design features enhance its usability in control panels?


Its compact form factor allows for easy installation in tight spaces, while the captive screws ensure that they cannot be lost during maintenance, providing long-term reliability in panel installations.

Note

Eaton formerly known as Moeller

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