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Siemens MXD63B700 Circuit Breaker

Siemens MXD63B700
Circuit Breaker
Brand Siemens
SKU MXD63B700
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Core Specs

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Amperage700
SeriesSentron
Poles3
Mounting StyleUnit
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Siemens MXD63B700 3 Pole Circuit Breaker

Siemens MXD63B700 3 Pole Circuit Breaker

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$4,569.99 In Stock

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Description

Siemens MXD63B700 3 Pole Circuit Breaker

The Siemens MXD63B700 is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 700 Amps and a voltage rating of 600VAC. It has an interrupting rating of 25kAIC at 600V, 50kAIC at 480V. The MXD63B700 has a bolt-on connection type and includes long time and instantaneous trip functions.

Specifications

Key specifications
Brand Siemens
Part Number MXD63B700
Series Sentron
Amperage 700 A
Poles 3
Mounting Style Unit
Voltage 600VAC
Phase 3
AIC Rating 25kAIC at 600V, 50kAIC at 480V
Fit and installation
Terminal Type Lugs
For Use With Siemens Sentron Panelboards (Type S4, S5), Switchboards (SB1, SB2, SB3), Motor Control Centers
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, Lugs
Accessories Mounting Hardware
Approval CSA, UL
Temp Rating 40°C
Construction Features HACR Rated, Non-Interchangeable Trip

Product FAQs

7 answers
What enclosures and panels are compatible with the MXD63B700?

This breaker is designed for use in Siemens Sentron panelboards (Type S4, S5), switchboards (SB1, SB2, SB3), and motor control centers that accept MD Frame breakers.

Does the MXD63B700 come with lugs installed?

No, the MXD63B700 is typically supplied without lugs. Compatible lug kits, such as the 3TA3N8750 for 500 to 750 kcmil conductors, must be purchased separately depending on your wire size and material requirements.

Can the MXD63B700 be reverse fed?

Yes. Because the MXD63B700 features a non-interchangeable trip unit, it complies with UL 489 requirements for reverse feeding. Breakers in this family with interchangeable trip units cannot be reverse fed.

What does the LI trip function code mean on this breaker?

The LI designation indicates that the thermal-magnetic trip unit provides Long-Time (L) overload protection and Instantaneous (I) short-circuit protection. The thermal element is fixed, while the magnetic instantaneous trip is adjustable.

What is the difference between the MXD63B700 and the HMXD63B700?

The primary difference is the interrupting capacity. The MXD63B700 has a standard interrupting rating of 50kA at 480V, while the HMXD63B700 is a high-interrupting version rated for 65kA at 480V.

What does the X in the MXD6 prefix indicate?

The X indicates that the breaker comes factory assembled with a non-interchangeable trip unit. This complies with specific UL requirements for applications where the trip unit must not be removable.

Does the MXD63B700 provide ground fault protection?

No, this is a standard thermal-magnetic breaker with Long-Time and Instantaneous (LI) protection only. It does not include integral ground fault (G) or short-time (S) protection.

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