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Eaton Cutler-Hammer BR Circuit Breakers BR370ST

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BR370ST

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The BR370ST from Eaton Cutler-Hammer is a thermal magnetic circuit breaker designed for reliable electrical protection. With a robust amperage rating of 70 Amps, it operates at a voltage of 240 Volts AC and is configured with three poles to manage diverse loads.

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Technical specifications for BR370ST

ManufacturerEaton Cutler-Hammer
Product TypeThermal Magnetic Circuit Breaker
Product LineBR Circuit Breakers
Part NumberBR370ST
UPC786676003452
Amperage Rating70 Amperes
Voltage Rating240 Volts AC
Poles3 Poles
Mounting TypePlug-On
Frame TypeBR
Trip TypeShunt Trip (Thermal Magnetic)
Interrupt Rating10 kA
Wire Size4-1/0 AWG
AccessoryShunt Trip
Accessory WiringPigtail Leads
CertificationUL 489

Eaton Cutler-Hammer's part number BR370ST is a thermal magnetic circuit breaker that ensures dependable operation for electrical systems. It is suitable for 240 Volts AC and has an impressive amperage capacity of 70 Amps, allowing it to handle substantial electrical loads efficiently. Designed with three poles, it provides the necessary configuration for various applications, contributing to effective circuit management.

The BR series frame houses the plug-on mounting style, which simplifies installation in distribution panels. The circuit breaker incorporates a shunt trip feature, leveraging thermal magnetic technology to respond accurately to overloads and short circuits. This mechanism enhances security by triggering the breaker to disconnect circuits when needed.

In terms of performance, the BR370ST offers a 10 kA interrupt rating, signifying its capability to cut off potentially damaging electrical surges, thus protecting connected devices. The unit is compatible with a wire size ranging from 4 AWG to 1/0 AWG, accommodating a variety of wiring needs in installations. Furthermore, this circuit breaker includes pigtail leads for accessory wiring, ensuring simplified connections during installation.

This circuit breaker has received certification under UL 489, indicating compliance with recognized safety standards, reinforcing its reliability for use in residential or industrial settings. Overall, the BR370ST is an optimal choice for professionals seeking a robust and reliable solution for electrical circuit protection.