Siemens LMD63B800 3 Pole 800 Amp 600V Sentron Molded Case Circuit Breaker

The Siemens LMD63B800 is an 800-amp, 3-pole, 600V Sentron Series molded case circuit breaker with 50kA interrupting capacity at 480V. The LMD frame features an interchangeable Sensitrip III electronic trip unit for precise overcurrent protection in commercial and industrial power distribution systems. Suitable for use as a main breaker or feeder breaker in switchboards and motor control centers.

LMD63B800 Specifications

SpecificationValue
Amperage800A
Poles3
Voltage600V AC / 500V DC
Interrupt Rating50kA @ 480V / 25kA @ 600V
Frame SizeLMD (800A Frame)
Mounting TypeBolt-On
Trip TypeElectronic (Sensitrip III)
Trip FunctionLSI (Long-time, Short-time, Instantaneous)
Wire SizeUp to 600 kcmil
Phase3-Phase
StandardsUL 489, CSA C22.2 No. 5
Temperature Rating40°C

Key Features

  • 800A continuous rating at 40°C
  • 50kA interrupting capacity at 480V
  • Interchangeable Sensitrip III electronic trip unit
  • LSI trip function (Long-time, Short-time, Instantaneous)
  • Suitable for reverse feed applications
  • Compatible with Siemens switchboard and MCC enclosures

Applications

  • Main breaker in switchboards and panelboards
  • Feeder protection in industrial distribution systems
  • Motor control center (MCC) main disconnect
  • Commercial building service entrance equipment
  • Data center and critical facility power distribution

Replaces: LMD63B800, LMD6B800

Buy LMD63B800 Circuit Breaker

Siemens Sentron LMD Frame 800A 3-pole circuit breaker. In stock at AllBreakerSales.com. Call (877) 611-0034 for same-day pricing. Genuine OEM parts, ships from US warehouse.

Brand: Siemens | Series: Sentron LMD Frame | Catalog Number: LMD63B800

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