Description
The Allen-Bradley 140G-K3F3-D30 is a molded case circuit breaker designed to deliver reliable overcurrent protection for power distribution systems. This 3-pole thermal-magnetic circuit breaker features adjustable trip settings and a robust interrupting capacity, making it suitable for industrial applications where flexibility and protection are essential.
Technical Specifications
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Condition
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New/Never Used Surplus
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| Brand |
Allen-Bradley
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Category
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Part Number
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140G-K3F3-D30
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| Subcatecory |
Molded Case Circuit Breakers
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| Product Type |
Molded Case Circuit Breaker |
| Frame |
K |
| Amps |
400 |
| Interrupting Rating |
35 kA |
| Protection Type |
Adjust Thermal/ Adjust Magnetic |
| Current Range |
300 A |
| Rated Insulation Voltage |
1000V |
| Rated Impulse Withstand Voltage |
8 kV |
| Weight |
7.17 lb |
| Mechanical Life |
120 Operations/ hr. |
| Electrical Life |
60 Operations/ hr. |
Information About 140G-K3F3-D30
The 140G-K3F3-D30 is part of the Allen-Bradley 140G series of molded case circuit breakers (MCBs). Built on the K-frame platform, it supports a continuous current rating of 300 amps and an interrupting capacity of 35 kA. This breaker features both adjustable thermal and magnetic protection, allowing customization based on load requirements. It has a rated insulation voltage of 1000V and an impulse withstand voltage of 8 kV. With a mechanical endurance of up to 120 operations per hour and an electrical life of 60 operations per hour, the unit is engineered for long-term, heavy-duty use.
Key Features:
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300A Current Rating: Provides reliable protection for circuits requiring up to 300 amps of continuous current.
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K-Frame Construction: Offers a compact and durable form factor suitable for industrial panels and MCCs.
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Adjustable Thermal/Magnetic Protection: Allows fine-tuning of trip settings to match specific application needs.
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High Interrupting Capacity: Rated at 35 kA, ensuring fault protection in high short-circuit current conditions.
The 140G-K3F3-D30 delivers high-performance protection and adjustability in demanding industrial power systems.