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Siemens LGB3B035B Molded Case Circuit Breaker
- 35A
- 3 Pole
- Bolt-On
Siemens
LGB3B035B
Molded Case Circuit Breaker
Brand
Siemens
SKU
LGB3B035B
Quantity
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Siemens LGB3B035B - 35A 3 Pole Molded Case Circuit Breaker
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Description
Designed to handle demanding electrical loads, the Siemens LGB3B035B is a 3-pole, 35A molded case circuit breaker. It utilizes fixed thermal-magnetic trip technology to protect commercial circuits from overcurrent events. This GB-frame breaker mounts into Siemens P1, P2, and P3 panelboards via a sturdy bolt-on connection. Delivering a high interrupting rating of 100 kAIC at 240VAC, it offers exceptional fault clearance. It is replaced by the 3VA5135-6ED31-0AA0 for modern panel upgrades.Specifications
| Brand | Siemens |
|---|---|
| Part Number | LGB3B035B |
| Series | LGB |
| Amperage | 35A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 14kA @ 125/250VDC |
| Frame Type | LGB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 8-1/0 AWG (Cu), 8-2/0 AWG (Al) |
| Max Wire | 1/0 AWG (Cu), 2/0 AWG (Al) |
| 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 |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Reverse Feed |
Product FAQs
6 answersWhich panelboards are compatible with the Siemens LGB3B035B circuit breaker?
This bolt-on circuit breaker is designed for installation in Siemens P1, P2, and P3 panelboards.
What wire sizes and materials are accepted by the lugs on this breaker?
The load-side lugs accept 8 to 1/0 AWG copper (Cu) wire and 8 to 2/0 AWG aluminum (Al) wire.
How does the LGB3B035B mount into the electrical panel?
It features a bolt-on connection type, providing a secure, vibration-resistant mount directly to the panelboard bus.
Can the LGB3B035B be used in DC voltage applications?
Yes, in addition to its AC ratings, this breaker is rated for 125/250VDC applications with an interrupting capacity of 14kAIC.
What type of trip unit does this 35A breaker use?
It is equipped with a fixed thermal magnetic trip unit that provides long-time (L) overload and instantaneous (I) short-circuit protection.
Is there a direct replacement for the LGB3B035B as the LGB frame is phased out?
Yes, Siemens has designated the 3VA41 series as the successor to the LGB frame. The recommended replacement catalog number for this 35A breaker is 3VA41356ED340AA0, though fit and form should be verified for your specific application.
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