MHL3645031DC2351 - Square D 450A 600V 3-Pole Molded Case Circuit Breaker M Frame

MHL3645031DC2351

MHL3645031DC2351 is a Square D molded case circuit breaker designed for high-performance power distribution applications.

This 3-pole circuit breaker features a 450 ampere current rating and a maximum voltage rating of 600 VDC, suitable for demanding DC load and floating voltage environments. It uses a thermal magnetic trip unit and is built on the M frame type, providing reliable protection with a 20 kiloampere interrupting rating at 500 VDC. The breaker supports line and load lug terminals and accommodates wire sizes from 3/0 AWG to 500 kcmil aluminum or copper. It is UL and CSA certified for safety and performance compliance.

Key Specifications
• Manufacturer: Square D
• Part Number: MHL3645031DC2351
• Current Rating: 450 Amperes
• Voltage Rating: 600 VDC max (500 VDC load, 600 VDC floating)
• Poles: 3
• Interrupting Rating: 20 kA at 500 VDC
• Trip Unit: Thermal Magnetic
• Frame Type: M
• Terminal Type: Line and Load Lugs
• Wire Size Range: 3/0 AWG to 500 kcmil (Aluminum/Copper)
• Certifications: UL Listed, CSA Approved

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Additional Information

complete with MA11037- 277/480V shunt trip and MA11212 1A/1B auxiliary switch

Specifications

• Part Number: MHL3645031DC2351
• Manufacturer : Square D
• Brand : Square D
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : MHL Series
• Type : MHL
• Voltage : 600
• Amperage : 450
• Phase : 3
• Poles : 3
• AIC rating : 20kA@500VDC
• Connection : Feed-Thru
• Functions : LI - Long-Time and Instantaneous
• Frame Size : M Frame
• Protection : Thermal Magnetic

Product Data

• Dimensions : Depth 8.05 in (204.47 mm) Width 8.27 in (210.06 mm) Height 12.86 in (326.64 mm)
• Weight : 40