Siemens HEG3B020L Molded Case Circuit Breaker
- 20A
- 3 Pole
- Unit Mount
Quantity
Siemens HEG3B020L - 20A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens HEG3B020L - 20A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HEG3B020L-R |
| Series | HEG |
| Amperage | 20A |
| 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 | HEB |
|---|---|
| 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 | Line and Load Lugs 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 |
Quantity
Siemens HEG3B020L - 20A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HEG3B020L-R |
| Series | HEG |
| Amperage | 20A |
| 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 | HEB |
|---|---|
| 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 | Line and Load Lugs 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 |
Description
Designed for commercial distribution, the Siemens HEG3B020L is a 3-pole, 20-amp molded case circuit breaker from the VL Series. It offers reliable thermal-magnetic protection with fixed long-time and instantaneous (LI) trip functions. This EG-frame breaker mounts into Siemens P4 and P5 panelboards, switchboards, and enclosures. It comes complete with line and load lugs for immediate wiring. Rated 65kAIC at 480V, this HACR-rated unit is replaced by the 3VA5120-6ED31-0AA0 for new builds.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HEG3B020L-R |
| Series | HEG |
| Amperage | 20A |
| 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 | HEB |
|---|---|
| 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 | Line and Load Lugs 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
8 answersWhich panelboards and enclosures are compatible with the HEG3B020L?
This EG-frame breaker is designed to mount in Siemens P4 and P5 panelboards, as well as compatible Siemens switchboards and standalone enclosures.
What wire sizes are accepted by the terminals on the HEG3B020L?
The factory-installed lugs accept wire gauges from 14 AWG up to 1/0 AWG. They are rated for both copper (Cu) and aluminum (Al) conductors.
How is this circuit breaker mounted inside an enclosure or panel?
The HEG3B020L is a unit-mount breaker that supports both DIN rail and standard screw mounting configurations.
Is the HEG3B020L rated for direct current (DC) applications?
Yes, this breaker is rated for DC systems. It provides a 30kA interrupting capacity at both 250V DC and 500V DC.
What does the LI trip function mean for this breaker?
The LI designation indicates that the thermal-magnetic trip unit includes Long-Time (thermal) and Instantaneous (magnetic) protection. Both the thermal and magnetic trip points are fixed on this specific model.
What is the modern replacement for the HEG3B020L?
For new builds, the HEG3B020L is typically replaced by the Siemens 3VA5120-6ED31-0AA0 molded case circuit breaker.
Can the HEG3B020L be reverse fed?
Yes, this breaker is suitable for reverse feed applications, allowing flexibility in how the line and load connections are wired.
Is this breaker HACR rated?
Yes, the HEG3B020L carries an HACR rating, making it suitable for use with heating, air conditioning, and refrigeration equipment.
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