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Eaton Cutler-Hammer Series C Circuit Breakers KD3125

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KD3125

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The KD3125 from Eaton Cutler-Hammer is a molded case circuit breaker designed for versatile applications. It has a 125 A rated current capacity and a voltage rating of 600 VAC for AC operations, as well as 250 VDC for DC applications.

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Technical specifications for KD3125

ManufacturerEaton Cutler-Hammer
Product TypeMolded Case Circuit Breaker
Product LineSeries C Circuit Breakers
Part NumberKD3125
Weight5.00 lbs (2.27 kg)
UPC786679349113
Rated Current125 A
Voltage Rating (AC)600 VAC
Voltage Rating (DC)250 VDC
Number of Poles3 Poles
Phase Type3 Phase
Interrupting Rating (AIC) at 240 VAC65 KAIC
Interrupting Rating at 480 VAC35 kAIC
Trip TypeFixed Thermal, Fixed Magnetic
Trip FunctionLong-Time (LI) and Instantaneous trip functions
Terminal MaterialAluminum
Terminal TypeLine and Load Side Lug Terminal

Eaton Cutler-Hammer's KD3125 is a molded case circuit breaker, optimized for reliability in various electrical systems. Providing a rated current of 125 A, it supports a maximum voltage of 600 VAC and is also rated for 250 VDC operation, accommodating both AC and DC applications. The device weighs 11.5 lbs, reflecting its robust construction.

Featuring three poles, the KD3125 is configured for three-phase systems. This unit is engineered with an interrupting capacity of 65 KAIC at 240 VAC and 35 kAIC at 480 VAC, allowing it to effectively mitigate overload conditions.

A combination of fixed thermal and fixed magnetic trip types ensures dependable circuit protection, utilizing long-time (LI) and instantaneous trip functions to address varying electrical faults swiftly. To facilitate installation, the KD3125 is equipped with aluminum terminals designed for both line and load side connections, providing secure and efficient electrical contact.