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Siemens HMD63B500 Molded Case Circuit Breaker
- 500A
- 3 Pole
- Unit Mount
Siemens
HMD63B500
Molded Case Circuit Breaker
Brand
Siemens
SKU
HMD63B500
Quantity
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Siemens HMD63B500 - 500A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial power distribution, the Siemens HMD63B500 is a 500A, 3-pole Sentron molded case circuit breaker. It delivers reliable overcurrent protection for heavy-duty applications. This unit-mount MCCB installs into Siemens P4 and P5 panelboards, switchboards, and motor control centers. The MD frame ensures a standardized fit. Rated 65 kAIC at 480VAC, the "H" prefix denotes high interrupting capacity.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HMD63B500 |
| Series | HMD6 |
| Amperage | 500A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 50kA @ 600VAC, 50kA @ 500VDC |
| Frame Type | HMD |
|---|---|
| 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
6 answersWhich Siemens panelboards are compatible with the HMD63B500 circuit breaker?
This unit-mount MCCB is designed for installation in Siemens P4 and P5 panelboards, as well as Siemens switchboards and motor control centers.
What is the difference between the Siemens HMD63B500 and the MD63B500?
The HMD63B500 is the high-interrupting capacity version, rated at 65 kAIC at 480VAC. The MD63B500 is the standard-interrupting capacity version, rated at 50 kAIC at 480VAC. Both share the same 500A rating, 3-pole configuration, and MD frame dimensions.
What wire sizes are accepted by the lugs on the HMD63B500?
The standard lugs accept three 1/0 AWG to 500 kcmil copper or aluminum wires per phase.
How does the trip unit function on the HMD63B500?
This breaker features a thermal-magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.
Does the HMD63B500 come with line and load lugs?
Yes, this feed-thru circuit breaker includes standard line and load lugs, catalog number TA3K500, installed from the factory.
Can the HMD63B500 be used in DC applications?
Yes, this breaker is rated for up to 500VDC with an interrupting capacity of 50 kAIC, making it suitable for ungrounded UPS systems and other industrial DC power applications.
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