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Siemens HGB3B035B Molded Case Circuit Breaker
- 35A
- 3 Pole
- Bolt-On
Siemens
HGB3B035B
Molded Case Circuit Breaker
Brand
Siemens
SKU
HGB3B035B
Quantity
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Siemens HGB3B035B - 35A 3 Pole Molded Case Circuit Breaker
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Description
Designed for high-capacity power systems, the Siemens HGB3B035B is a 3-pole, 35-amp molded case circuit breaker. It provides thermal-magnetic protection with a 100kAIC rating at 240VAC and 35kAIC at 480Y/277VAC. The unit bolts into Siemens P1, P2, P3, P4, and P5 panelboards, making it ideal for commercial and industrial applications. It is HACR rated, supports reverse feed, and accepts 8-1/0 AWG copper wiring. This breaker is replaced by the 3VA5135-5EC31-0AA0 using an adapter kit.Specifications
| Brand | Siemens |
|---|---|
| Series | HGB |
| Amperage | 35A |
| 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
5 answersWhich Siemens panelboards are compatible with the HGB3B035B?
This breaker is designed for use in Siemens Sentron P1, P2, P3, P4, and P5 panelboards. It mounts directly to the panel bus using a secure bolt-on connection.
What is the difference between the HGB3B035B and the NGB3B035B?
The H in the HGB prefix indicates a high interrupting rating. The HGB3B035B provides 35kAIC at 480Y/277V AC, whereas the standard NGB version offers a lower short-circuit rating. Both share the same physical footprint and panelboard compatibility.
Can this breaker be used in direct current applications?
Yes, the HGB3B035B is rated for DC circuits up to 125/250V DC, where it provides an interrupting capacity of 42kAIC.
What wire sizes are accepted by the lugs on this breaker?
The factory lugs accept 8 AWG to 1/0 AWG copper wire, or 8 AWG to 2/0 AWG aluminum wire. Always verify the required torque specifications printed on the breaker faceplate during installation.
What safety precautions are required when installing this bolt-on breaker?
Installation must be performed by a licensed electrician. The panelboard must be completely de-energized before bolting the breaker to the bus to prevent severe arc flash and electrical shock hazards.
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