HLD3450 | Allen Bradley Series C L Frame

Eaton Cutler-Hammer HLD3450

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Basic Details

MPN	HLD3450
Product Line	Series C L Frame
Manufacturer	Eaton Cutler-Hammer

DO Supply is NOT an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer’s warranty does not apply. Product comes with DO Supply's 1-year warranty.

Product Description

The HLD3450 is a drive by Allen Bradley/Rockwell Automation. This unit also has an amperage rating of 450 amps.

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Technical Specifications

Amps	450 Amps
Dimensions (W x H x D)	8.25 x 10.75 x 4.06 inches
Frame	L
Interrupting Capacity	100 kAIC at 240 Volts AC
Part Number/Catalog No.	HLD3450

Poles	3
Product Type	Molded Case Circuit Breaker
Series	C
Unit Type	Thermal-Magnetic
Weight	20 pounds

About the HLD3450

The Westinghouse/Cutler-Hammer/Eaton HLD3450 is a complete circuit breaker with an amperage rating of 450 Amps. The breaker is used to provide protection for circuits operating from a 3-phase power source. This is made possible by the HLD3450 having 3 poles. The circuit breaker features aluminum line and load terminals and an interchangeable trip unit which uses a combination of thermal and magnetic aspects to guard a circuit against current spikes and other circuit malfunctions. The HLD3450 accommodates an optional shunt trip and an optional undervoltage release mechanism. The Cutler-Hammer HLD3450 molded case circuit breaker does not provide protection for the neutral pole. The circuit breaker is part of the Series C circuit breakers with an L Frame type manufactured by the Westinghouse/Cutler-Hammer/Eaton Corporation.

The circuit breaker has a high interrupting capacity of 100 kiloamps interrupt capacity at 240 Volts AC. The HLD3450 has line and load lug terminals. When installing the circuit breaker, careful comparisons must be made between the nameplate data and the equipment/system requirements to ascertain if it is the right breaker for the system. When mounting the circuit breaker, the tightening screws should not exceed a torque of 3 N-m. To avoid injury to the personnel conducting the installation and to avoid damage to other devices in the system, the power should be locked out and only turned on when all mounting procedures have been followed and confirmed. Since the HLD3450 use a molded frame, it should be frequently monitored for any signs of overheating and for a non-tripping trip mechanism.

Common Misspellings

Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the HLD3450:

HLD345O

HLD34S0

HLD34SO

DO Supply sells used surplus products. DO Supply is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by DO Supply come with DO Supply’s 1-year warranty and do not come with the original manufacturer’s warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

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.