Siemens HEG3B080L Molded Case Circuit Breaker
- 80A
- 3 Pole
- Unit Mount
Quantity
Siemens HEG3B080L - 80A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
The HEG3B080L is a 3-pole, 80-amp molded case circuit breaker from the Siemens Sentron VL family. Built for commercial and industrial applications, this EG-frame unit provides fixed thermal and adjustable magnetic (LI) trip functions. It installs into Siemens P4 and P5 panelboards, switchboards, and enclosures. Rated for 65 kAIC at 480VAC, it features a reverse-feed capable, trip-free mechanism. This model includes 3TA1EG10 line and load lugs and is replaced by the 3VA5180-6ED36-0AA0.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HEG3B080L |
| Series | HEG |
| Amperage | 80A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600Y/347VAC, 42kA @ 250VDC, 35kA @ 500VDC |
| Frame Type | HEB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P4, P5 Panelboards, Switchboards, Motor Control Centers, 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, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Line and Load Lugs (3TA1EG10) |
| 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, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
6 answersWhat panelboards and equipment are compatible with the Siemens HEG3B080L?
This 3-pole circuit breaker is designed for installation in Siemens P4 and P5 panelboards, as well as compatible Siemens switchboards, motor control centers, and enclosures.
What wire size and material does the HEG3B080L accept?
The included lugs are rated for 14 to 1/0 AWG conductors and accept both copper (Cu) and aluminum (Al) wire.
What type of trip unit is installed in the HEG3B080L?
It features a thermal-magnetic trip unit with fixed thermal and adjustable magnetic (LI) functions to protect against overloads and short circuits.
Is there a direct replacement or alternate catalog number for the HEG3B080L?
Yes, the HEG3B080L is part of the legacy Sentron VL series and is commonly replaced by the newer Siemens 3VA5180-6ED36-0AA0 molded case circuit breaker. Verify panelboard compatibility before upgrading.
Can the Siemens HEG3B080L be used in DC electrical systems?
Yes, this breaker is rated for DC applications. It provides an interrupting capacity of 42kAIC at 250VDC and 35kAIC at 500VDC.
How does the HEG3B080L mount into the panel?
This is a unit-mount, feed-thru circuit breaker. It bolts directly into compatible enclosures, switchboards, or panelboards rather than plugging onto a busbar.
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