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Allen Bradley 140U MCB 140UE-LTF3-D63

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140UE-LTF3-D63

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The 140UE-LTF3-D63 is a molded case circuit breaker from Allen Bradley's 140U MCB series. This unit is built for maximum rated currents up to 160 A and is available in 3 or 4-pole configurations for versatile applications.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 140UE-LTF3-D63

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140UE-LTF3-D63
Weight3.00 lbs (1.36 kg)
GTIN10781180709989
Frame TypeH Frame
Max. Rated Current160 A
Number of Poles3, 4 Poles
Rated Insulation Voltage at Main Poles750 V
Rated Impulse Withstand Voltage at Main Conductors6 kV
AC Rated Operational Voltage690 V
Min. Frequency50 Hz
Max. Frequency60 Hz
Max. Switching Frequency300 Ops/Hour
Rated Thermal Current6A
Rated Marking Capacities20 A
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The 140UE-LTF3-D63 molded case circuit breaker by Allen Bradley is crafted to deliver robust protection in electrical installations. With a maximum rated current of 160 A, it is suitable for heavy-duty applications where reliable circuit protection is essential. The H Frame design grants structural robustness, allowing it to accommodate up to 3 or 4 poles, which adds to its adaptability for different system configurations.

This circuit breaker enjoys an impressive rated insulation voltage at its main poles of 750 V, which assures effective insulation against electrical faults. Moreover, it features a rated impulse withstand voltage of 6 kV at the main conductors, safeguarding the device against voltage spikes. The AC operational voltage rating reaches up to 690 V, making it suitable for high-voltage systems.

Frequency compatibility ranges from a minimum of 50 Hz to a maximum of 60 Hz, ensuring extensive flexibility for various applications. The maximum switching frequency capacity of 300 operations per hour positions this circuit breaker as a practical choice for dynamic environments. Additionally, it supports a rated thermal current of 6 A and has rated marking capacities of 20 A, contributing to its effectiveness in ensuring safe operation within electric circuits.