Siemens HEG3B015 Molded Case Circuit Breaker
- 15A
- 3 Pole
- Unit Mount
Quantity
Siemens HEG3B015 - 15A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for industrial applications, the Siemens HEG3B015 is a 3-pole, 15A molded case circuit breaker from the VL Series. It delivers reliable thermal-magnetic protection with fixed long-time and instantaneous (LI) trip functions. This EG-frame MCCB mounts into Siemens P4 and P5 panelboards or switchboards. Lugs are not included with this model, requiring separate hardware for termination. Rated 65kAIC at 480V, it is HACR and HID rated.Specifications
| Brand | Siemens |
|---|---|
| Series | HEG |
| Amperage | 15A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 30kA @ 250VDC, 30kA @ 500VDC |
| Frame Type | EG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P4, P5 Panelboards, Switchboards, Enclosures |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 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, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Reverse Feed |
Product FAQs
5 answersWhich Siemens panelboards are compatible with the HEG3B015 breaker?
This EG frame circuit breaker is designed for installation in Siemens P4 and P5 panelboards, as well as compatible switchboards and standalone enclosures.
What wire sizes are accepted by the standard lugs on this breaker?
The factory-installed lugs accommodate wire sizes ranging from 14 AWG up to 1/0 AWG. They are rated for use with both copper and aluminum conductors.
Can the HEG3B015 be used in direct current (DC) applications?
Yes, this breaker is rated for DC systems. It provides an interrupting capacity of 30kA at both 250VDC and 500VDC.
Are the trip settings adjustable on this EG frame breaker?
No, this specific model features a thermal magnetic trip unit with fixed thermal (long-time) and fixed magnetic (instantaneous) settings.
Does this breaker plug into the busbar or bolt on?
The HEG3B015 is a unit mount, bolt-on circuit breaker. It requires bolted connections to the busbar or mounting assembly rather than a plug-in installation.
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