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Siemens MD63B800 - 800A 3 Pole Molded Case Circuit Breaker

Brand Siemens
SKU MD63B800
Siemens MD63B800 3 Pole Circuit Breaker
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Siemens MD63B800 - 800A 3 Pole Molded Case Circuit Breaker

Brand Siemens
SKU MD63B800
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Siemens MD63B800 3 Pole Circuit Breaker

Siemens MD63B800 - 800A 3 Pole Molded Case Circuit Breaker

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$7221.00 In stock

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DescriptionSpecificationsSuperClubWarranties
Description
Built to handle demanding commercial loads, this 800-amp unit-mount breaker provides essential long-time and instantaneous overcurrent protection. The HACR-rated device features an interchangeable trip unit, simplifying maintenance and rating adjustments without replacing the entire housing. It fits perfectly into Siemens S4 and S5 panelboards, along with standard motor control centers. When upgrading infrastructure, this model is succeeded by the 3VA55 series via specialized retrofit hardware.

Specifications

Brand Siemens
Series MD6
Part Number MD63B800
Amperage 800A
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Poles 3
Phase 3
AIC Rating 65kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC, 25kA @ 250VDC
Mounting Style Unit Mount
Terminal Type Lugs
For Use With Siemens S4, S5, P4, P5, SPP, FPP Panelboards, SB1, SB2, SB3 Switchboards, Motor Control Centers
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Wire Gauge (3) 1/0 AWG - 500 kcmil (Al/Cu)
Max Wire 500 kcmil
Min Wire 1/0 AWG
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch
Accessories Line and Load Side Lugs (TA3K500)
Standards CSA C22.2 No. 5, HACR, IEC 60947-2, UL 489
Approval CSA, IEC, UL
Temp Rating 40C
Construction Features HACR Rated, Interchangeable Trip Unit

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Warranties

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International Shipping

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