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Siemens HGB3B090B Molded Case Circuit Breaker
- 90A
- 3 Pole
- Bolt-On
Siemens
HGB3B090B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HGB3B090B
Quantity
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Siemens HGB3B090B - 90A 3 Pole Molded Case Circuit Breaker
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Description
A reliable choice for industrial facilities, the Siemens HGB3B090B is a 3-pole, 90A molded case circuit breaker. It is equipped with fixed thermal and magnetic trip functions to safeguard against overloads. This Sentron breaker features a bolt-on mounting style compatible with Siemens P1 through P5 panelboards. This model is replaced by the 3VA5190-5EC31-0AA0, which requires an adapter kit. Capable of handling high fault currents, it delivers 35kAIC at 480Y/277V and is HACR rated.Specifications
| Brand | Siemens |
|---|---|
| Part Number | HGB3B090B |
| Series | HGB |
| Amperage | 90A |
| 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 | HGB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| Wire Gauge | 8-1/0 AWG (Cu), 8-2/0 AWG (Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 8 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
6 answersWhat panelboards are compatible with the Siemens HGB3B090B?
This bolt-on circuit breaker is designed for installation in Siemens P1, P2, P3, P4, and P5 panelboards.
Can the HGB3B090B be reverse fed?
Yes, this breaker is suitable for reverse feed applications.
Is this breaker rated for DC voltage applications?
Yes, the HGB3B090B is rated for up to 125/250VDC with an interrupting capacity of 42kAIC.
What wire sizes and materials are accepted by the lugs on this breaker?
The included load side lugs accept 8 to 1/0 AWG copper (Cu) wire or 8 to 2/0 AWG aluminum (Al) wire.
What is the direct replacement for the HGB3B090B?
The HGB3B090B is replaced by the Siemens 3VA5190-5EC31-0AA0. Note that installing the replacement in existing panelboards requires an adapter kit.
Is the HGB3B090B HACR rated?
Yes, this breaker is HACR rated, making it suitable for heating, air conditioning, and refrigeration equipment applications.
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