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Siemens HGB3B025B Molded Case Circuit Breaker
- 25A
- 3 Pole
- Bolt-On
Siemens
HGB3B025B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HGB3B025B
Quantity
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Siemens HGB3B025B - 25A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Siemens HGB3B025B - 25A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens |
|---|---|
| Part Number | HGB3B025B |
| Series | HGB |
| Amperage | 25A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 35kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| Frame Type | HHGB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, High Interrupting Capacity |
Quantity
Siemens HGB3B025B - 25A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens |
|---|---|
| Series | HGB |
| Amperage | 25A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 35kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| Frame Type | HHGB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, High Interrupting Capacity |
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Description
Built for industrial power distribution, the Siemens HGB3B025B is a 25A, 3-pole MCCB that delivers robust overcurrent protection. It mounts into Siemens P1, P2, P3, P4, and P5 panelboards using a secure bolt-on connection. Delivering a 35kAIC rating at 480Y/277VAC and 100kAIC at 240VAC, this Sentron series breaker is equipped with fixed long-time and instantaneous (LI) trip functions. For newer installations, it is replaced by the 3VA5125-5EC31-0AA0 with a mounting kit.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HGB3B025B |
| Series | HGB |
| Amperage | 25A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 35kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| Frame Type | HHGB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, High Interrupting Capacity |
Product FAQs
9 answersWhich Siemens panelboards are compatible with the HGB3B025B circuit breaker?
This bolt-on circuit breaker is designed for use with Siemens P1, P2, P3, P4, and P5 panelboards.
What frame type is the Siemens HGB3B025B?
It belongs to the Siemens GB frame family, specifically the HHGB frame type within the SENTRON series.
What wire sizes and materials are accepted by the lugs on the HGB3B025B?
The factory-installed lugs accept 14 to 6 AWG copper (Cu) wire and 12 to 6 AWG aluminum (Al) wire.
How does the HGB3B025B mount into the panelboard?
It features a bolt-on connection type, securing directly to the busbars of compatible Siemens panelboards.
Can the HGB3B025B be used in a 480V system with a 35kA fault current requirement?
Yes, this breaker has an interrupting rating of 35kAIC at 480Y/277VAC, making it suitable for systems requiring up to 35,000 amps of fault protection at that voltage.
What is the maximum interrupting capacity of this breaker at 240VAC?
At 240VAC, the HGB3B025B provides a maximum interrupting rating of 100kAIC.
Does this breaker support DC voltage applications?
Yes, it is rated for 125/250VDC applications with an interrupting capacity of 42kAIC.
What is the difference between the Siemens NGB and HGB series breakers?
Both are part of the Siemens GB frame family, but the HGB series offers a higher interrupting capacity compared to the standard NGB series.
Are the trip settings on the HGB3B025B adjustable?
No, this breaker features a fixed thermal-magnetic trip unit. The Long-Time (L) and Instantaneous (I) functions are factory-set and cannot be adjusted in the field.
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