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Siemens HMD63B800 Molded Case Circuit Breaker
- 800A
- 3 Pole
- Unit Mount
Siemens
HMD63B800
Molded Case Circuit Breaker
Brand
Siemens
SKU
HMD63B800
Quantity
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Siemens HMD63B800 - 800A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens HMD63B800 - 800A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HMD63B800 |
| Series | HMD6 |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 50kA @ 600VAC, 50kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P4 Panelboards, Siemens P5 Panelboards, Siemens Switchboards, Siemens Motor Control Centers |
| Wire Gauge | (3) 1/0 AWG - 500 kcmil (Cu/Al) |
| 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 |
|---|---|
| Accessories | Line and Load Lugs (TA3K500) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit |
Quantity
Siemens HMD63B800 - 800A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HMD63B800-R |
| Series | HMD6 |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 50kA @ 600VAC, 50kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P4 Panelboards, Siemens P5 Panelboards, Siemens Switchboards, Siemens Motor Control Centers |
| Wire Gauge | (3) 1/0 AWG - 500 kcmil (Cu/Al) |
| 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 |
|---|---|
| Accessories | Line and Load Lugs (TA3K500) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit |
Similar Items
600A 3 Pole Molded Case Circuit Breaker
500A 3 Pole Molded Case Circuit Breaker
800A 3 Pole Molded Case Circuit Breaker
Description
Built for heavy commercial use, the Siemens HMD63B800 is a Sentron MD Frame molded case circuit breaker rated at 800A. It features an interchangeable thermal-magnetic trip unit with adjustable magnetic settings to fine-tune protection for specific loads. Designed for unit mounting, this 3-pole breaker integrates with Siemens P4 and P5 panelboards, switchboards, and motor control centers. With a high interrupting capacity of 65kAIC at 480V, it safely isolates severe electrical faults.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HMD63B800 |
| Series | HMD6 |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 50kA @ 600VAC, 50kA @ 500VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P4 Panelboards, Siemens P5 Panelboards, Siemens Switchboards, Siemens Motor Control Centers |
| Wire Gauge | (3) 1/0 AWG - 500 kcmil (Cu/Al) |
| 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 |
|---|---|
| Accessories | Line and Load Lugs (TA3K500) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit |
Product FAQs
7 answersWhat is the difference between the Siemens HMD63B800 and the MD63B800?
The HMD63B800 is the high-interrupting version of the MD Frame breaker, rated for 65kA at 480VAC. The standard MD63B800 has a lower interrupting rating of 50kA at 480VAC.
Which Siemens distribution equipment accepts the HMD63B800 breaker?
This breaker installs in Siemens P4 and P5 panelboards, as well as Siemens switchboards and motor control centers.
What are the wire size limits for the lugs on the HMD63B800?
The lugs accept up to three conductors per phase, accommodating wire sizes from 1/0 AWG to 500 kcmil for both copper and aluminum wiring.
How is the trip unit configured on the HMD63B800?
It features a thermal magnetic trip unit with a fixed thermal element for continuous current and an adjustable magnetic element for instantaneous short-circuit protection.
Does the HMD63B800 include ground fault equipment protection?
This breaker is equipped with LI (Long-Time and Instantaneous) trip functions only. It does not provide ground fault protection.
What does the "B" in the HMD63B800 catalog number signify?
The "B" designates a complete breaker assembly. It includes the MD Frame, an interchangeable thermal magnetic trip unit, and standard line and load lugs.
Is the HMD63B800 suitable for direct current applications?
It is rated for DC systems up to 500VDC, providing a 50kA interrupting capacity.
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