Siemens HGG3B015L Molded Case Circuit Breaker
- 15A
- 3 Pole
- Unit Mount
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Siemens HGG3B015L - 15A 3 Pole Molded Case Circuit Breaker
New
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Description
Belonging to the Sentron family, the Siemens HGG3B015L is a 3-pole MCCB designed for industrial power systems. It utilizes fixed thermal-magnetic technology to provide dependable overcurrent protection. This unit-mount breaker installs into Siemens P1, P2, and P3 panelboards or compatible enclosures. It replaces older LGG3B015L models and comes equipped with line and load lugs. Featuring a 35kA rating at 480VAC, it handles substantial fault currents and is HACR, HID, and SWD rated.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HGG3B015L |
| Series | HGG |
| Amperage | 15A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600Y/347VAC, 30kA @ 250VDC |
| Frame Type | NGG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Enclosures |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, High Interrupting Capacity, Reverse Feed, Trip-Free Mechanism |
Product FAQs
8 answersCan I install the HGG3B015L in a standard residential load center?
No, the HGG3B015L is a unit-mount molded case circuit breaker designed for commercial and industrial applications. It is compatible with Siemens P1, P2, and P3 panelboards, switchboards, and specific enclosures, rather than standard residential plug-on load centers.
How does the HGG3B015L mount into a panel?
This breaker features a unit-mount design. Instead of plugging onto a busbar, it bolts directly to the panel or enclosure mounting plate and connects to the electrical system using wire lugs.
What does a feed-thru connection mean for the HGG3B015L?
A feed-thru connection means the breaker does not draw power directly from a panel busbar. Instead, both the line and load sides are connected using wire lugs, making it ideal for standalone enclosures or specific switchboard configurations.
Do I need to purchase separate lugs for the HGG3B015L?
No, this feed-thru breaker includes factory-installed line and load lugs. The lugs are rated for both copper (14-6 AWG) and aluminum (12-6 AWG) conductors.
Is the HGG3B015L suitable for direct current (DC) applications?
Yes, in addition to its AC ratings, this breaker is rated for up to 250VDC with a 30kA interrupting capacity, making it suitable for specific direct current systems.
Are the thermal and magnetic trip settings adjustable on the HGG3B015L?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time (thermal) and instantaneous (magnetic) trip functions are factory set and cannot be adjusted in the field.
Does this breaker provide GFCI or AFCI protection?
No, the HGG3B015L is a standard thermal-magnetic circuit breaker. It provides standard overload and short-circuit protection but does not include ground fault (GFCI) or arc fault (AFCI) circuitry.
What frame family does the HGG3B015L belong to?
It is part of the Siemens NGG frame family (GB/GG frame group). Knowing the frame type is essential when sourcing replacement breakers or verifying physical space requirements in your panelboard.
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