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Siemens HLMD63B700 Molded Case Circuit Breaker

  • 700A
  • 3 Pole
  • Unit Mount
Siemens HLMD63B700
Molded Case Circuit Breaker
Brand Siemens
SKU HLMD63B700
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  • 700A
  • 3 Pole
  • Unit Mount

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Siemens HLMD63B700 - 700A 3 Pole Molded Case Circuit Breaker

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$5,517.42 In Stock

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Description

Engineered for heavy-duty commercial and industrial applications, the Siemens HLMD63B700 is a 3-pole, 700-amp molded case circuit breaker. It belongs to the Sentron LMD frame family, providing reliable overcurrent and short-circuit protection for high-capacity electrical systems. This unit-mount breaker installs into Siemens Sentron panelboards, switchboards, and individual enclosures. Rated at 65 kAIC at 480VAC, it utilizes thermal-magnetic trip technology and supports reverse feed setups.

Specifications

Key specifications
Brand Siemens
Part Number HLMD63B700
Series HLMD
Amperage 700A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 500VDC
Phase 3
AIC Rating 100kA @ 240VAC, 65kA @ 480VAC, 50kA @ 600VAC, 50kA @ 500VDC
Fit and installation
Frame Type HLMD
Terminal Type Lugs
For Use With Siemens Sentron Panelboards, Switchboards, Enclosures
Wire Gauge (3) 1/0 AWG - 500 kcmil (Cu/Al)
Max Wire 500 kcmil
Min Wire 1/0 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch
Accessories Line and Load Lugs (TA3K500)
Standards CSA C22.2 No. 5.1, IEC 60947-2, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit

Product FAQs

8 answers
What equipment is compatible with the HLMD63B700 circuit breaker?

This breaker mounts in Siemens Sentron panelboards, switchboards, and standalone enclosures designed to accept LMD frame breakers.

What wire sizes are supported by the standard lugs?

The factory-installed TA3K500 line and load lugs accept up to three 1/0 AWG to 500 kcmil copper or aluminum conductors per phase.

How is the trip unit adjusted on this breaker?

The thermal-magnetic trip unit features a fixed thermal element for long-time overcurrent protection and an adjustable magnetic element for instantaneous short-circuit protection.

Can this breaker be used in DC power systems?

Yes, the HLMD63B700 is rated for use in DC systems up to 500VDC, providing an interrupting capacity of 50kAIC.

Are the trip units on the HLMD63B700 interchangeable?

Yes, the Sentron LMD frame utilizes an interchangeable trip design. This allows the thermal-magnetic trip unit to be swapped without removing the breaker frame from the panel.

What are the physical dimensions of this LMD frame breaker?

The breaker measures 16 inches in height, 7.5 inches in width, and 4.5 inches in depth.

What safety standards apply to this Siemens breaker?

It is UL 489 listed for low-voltage power distribution and is HACR rated for heating, air conditioning, and refrigeration applications.

What is the difference between the LMD and HLMD frame breakers?

The HLMD frame offers a higher interrupting capacity than the standard LMD frame. The HLMD63B700 provides 65kAIC at 480VAC, while the standard LMD equivalent provides 50kAIC at 480VAC.

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