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Siemens HLD63B500L Molded Case Circuit Breaker
- 500A
- 3 Pole
- Unit Mount
Siemens
HLD63B500L
Molded Case Circuit Breaker
Brand
Siemens
SKU
HLD63B500L
Quantity
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Siemens HLD63B500L - 500A 3 Pole Molded Case Circuit Breaker
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Description
Featuring pre-installed line and load lugs, the HLD63B500L simplifies installation in Siemens Sentron panelboards and switchboards. This 3-pole, 500A molded case circuit breaker utilizes an LD frame design with an interchangeable thermal-magnetic trip unit. It provides long-time and instantaneous (LI) protection for commercial and industrial electrical systems. Rated for 65 kAIC at 480VAC and 35 kAIC at 600VAC, it delivers dependable high-interrupting capacity for critical infrastructure.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HLD63B500L |
| Series | HLD6 |
| Amperage | 500A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600VAC, 35kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens Sentron Panelboards (Type P4, P5), Switchboards (SB1, SB2, SB3), Enclosures |
| Wire Gauge | (2) 3/0 AWG - 500 kcmil (Cu) or (2) 4/0 AWG - 500 kcmil (Al) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 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, Motor Operator |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Interchangeable Trip Unit |
Product FAQs
5 answersWhat does the "L" suffix in the HLD63B500L catalog number indicate?
The "L" suffix indicates that the circuit breaker is shipped factory-assembled with both line and load lugs installed. For this 500A LD-frame breaker, it typically includes TA2J6500 lugs.
What wire sizes are accepted by the standard lugs on the HLD63B500L?
The factory-installed lugs accept two 3/0 AWG to 500 kcmil copper conductors, or two 4/0 AWG to 500 kcmil aluminum conductors per phase.
Is the trip unit on the Siemens HLD63B500L adjustable?
Yes, while the thermal long-time trip is fixed at 500 amps, the magnetic instantaneous trip is adjustable with a range of 3000A to 6000A.
Which Siemens panelboards and switchboards are compatible with the HLD63B500L?
This LD-frame breaker is designed for use in Siemens Sentron Type P4 and P5 panelboards, as well as SB1, SB2, and SB3 switchboards and individual enclosures.
Does the HLD63B500L feature an interchangeable trip unit?
Yes, this LD-frame breaker features an interchangeable thermal-magnetic trip unit. This allows the trip mechanism to be replaced or upgraded without removing the entire breaker frame from the panel.
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