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Eaton Cutler-Hammer Series C Circuit Breakers MDL3300

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MDL3300

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The Eaton Cutler-Hammer MDL3300 is a reliable molded case circuit breaker designed to handle significant electrical loads. With a current rating of 300 A, it operates efficiently at a maximum voltage of 600 VAC and supports DC applications up to 250 VDC.

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Technical specifications for MDL3300

ManufacturerEaton Cutler-Hammer
Product TypeMolded Case Circuit Breaker
Product LineSeries C Circuit Breakers
Part NumberMDL3300
UPC782114585931
Current Rating300 A
AC Rated Voltage600 VAC
DC Rated Voltage250 VDC
Rated Maximum Operating Frequency60 Hz
Rated Minimum Operating Frequency50 Hz
Number of Poles3 Poles
Trip TypeFixed Thermal
Magnetic TripFixed
Trip UnitT186
Interrupting Capacity at 240 VAC65 kAIC
Interrupting Capacity at 480 VAC50 kAIC

The MDL3300 model from Eaton Cutler-Hammer represents a robust molded case circuit breaker suitable for a variety of electrical environments. It supports up to 300 A of rated current, making it a capable choice for demanding applications. This circuit breaker operates at 600 VAC for alternating current and is rated for 250 VDC for direct current use. The device accommodates operating frequencies, functioning effectively at a maximum of 60 Hz and a minimum of 50 Hz.

Structured with three poles, the MDL3300 is engineered for reliability in its performance. Both fixed thermal and magnetic trip elements are integrated, ensuring the effective disruption of current during fault conditions. This model employs the T186 trip unit, which guarantees proper functioning when needed.

In terms of interrupting capabilities, the MDL3300 circuit breaker has an interrupting capacity of 65 kAIC at 240 VAC and 50 kAIC at 480 VAC. These ratings establish its ability to withstand and manage fault conditions without degradation in performance over time.