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Siemens MXD63B800H Molded Case Circuit Breaker
- 800A
- 3 Pole
- Unit Mount
Siemens
MXD63B800H
Molded Case Circuit Breaker
Brand
Siemens
SKU
MXD63B800H
Quantity
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Siemens MXD63B800H - 800A 3 Pole Molded Case Circuit Breaker
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Siemens MXD63B800H - 800A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | MXD63B800H |
| Series | MXD6 |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC, 25kA @ 250VDC |
| Frame Type | HMD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (Type S4, S5), Switchboards (SB1, SB2, SB3), Motor Control Centers |
| Wire Gauge | (3) 1/0 AWG - 500 kcmil |
| Max Wire | 500 kcmil |
| Min Wire | 1/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits, Rotary Handle, Motor Operator |
|---|---|
| Accessories | Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | 100% Rated, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism, HACR Rated |
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Siemens MXD63B800H - 800A 3 Pole Molded Case Circuit Breaker
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| Brand | Siemens |
|---|---|
| Series | MXD6 |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC, 25kA @ 250VDC |
| Frame Type | HMD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (Type S4, S5), Switchboards (SB1, SB2, SB3), Motor Control Centers |
| Wire Gauge | (3) 1/0 AWG - 500 kcmil |
| Max Wire | 500 kcmil |
| Min Wire | 1/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits, Rotary Handle, Motor Operator |
|---|---|
| Accessories | Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | 100% Rated, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism, HACR Rated |
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Description
Handling high-amperage industrial loads, the Siemens MXD63B800H is a 3-pole, 800A molded case circuit breaker. It provides reliable thermal-magnetic protection for demanding commercial and manufacturing environments. This MD-frame breaker features a unit mount configuration, fitting Siemens Sentron S4 and S5 panelboards, as well as SB-series switchboards. Rated for 50kAIC at 480VAC, this 100% rated breaker includes an adjustable magnetic trip ranging from 4000A to 8000A for precise control.Specifications
| Brand | Siemens |
|---|---|
| Part Number | MXD63B800H |
| Series | MXD6 |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC, 25kA @ 250VDC |
| Frame Type | HMD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (Type S4, S5), Switchboards (SB1, SB2, SB3), Motor Control Centers |
| Wire Gauge | (3) 1/0 AWG - 500 kcmil |
| Max Wire | 500 kcmil |
| Min Wire | 1/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits, Rotary Handle, Motor Operator |
|---|---|
| Accessories | Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | 100% Rated, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism, HACR Rated |
Product FAQs
8 answersWhat enclosures and panelboards are compatible with the Siemens MXD63B800H?
This MD-frame breaker is designed for use in Siemens Sentron panelboards (Type S4 and S5), SB-series switchboards (SB1, SB2, and SB3), and compatible motor control centers.
What is the adjustable magnetic trip range for the MXD63B800H?
The instantaneous magnetic trip can be adjusted between 4000A and 8000A, allowing for precise short-circuit coordination with downstream devices.
Is the Siemens MXD63B800H 100% rated?
Yes, the MXD63B800H is a 100% rated circuit breaker, meaning it is approved to carry its full 800A continuous current rating when installed in an appropriately sized and ventilated enclosure.
What wire sizes are accepted by the MXD63B800H lugs?
The standard lug configuration accepts three 1/0 AWG to 500 kcmil copper or aluminum wires per phase.
What does the 'X' in the MXD63B800H catalog number indicate?
In Siemens Sentron nomenclature, the 'X' indicates that the circuit breaker is factory-assembled with a non-interchangeable trip unit.
Can the MXD63B800H be used in DC electrical systems?
Yes, in addition to its AC ratings, this breaker is rated for 250VDC applications with an interrupting capacity of 25kAIC.
What type of protection does the MXD63B800H provide?
It provides thermal-magnetic protection with Long-Time (L) and Instantaneous (I) trip functions to safeguard commercial and industrial electrical systems against overloads and short circuits.
How is the MXD63B800H mounted?
It features a unit-mount, bolt-on connection type for secure, hardwired installation in compatible Siemens distribution equipment.
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