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Siemens NGB3B035B Molded Case Circuit Breaker
- 35A
- 3 Pole
- Bolt-On
Siemens
NGB3B035B
Molded Case Circuit Breaker
Brand
Siemens
SKU
NGB3B035B
Quantity
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Siemens NGB3B035B - 35A 3 Pole Molded Case Circuit Breaker
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Description
Part of the SENTRON family, the Siemens NGB3B035B is a 3-pole, 35A molded case circuit breaker designed for commercial and industrial distribution. It provides reliable thermal-magnetic overcurrent protection and features a bolt-on mounting style for secure electrical connections. This breaker installs into Siemens P1, P2, P3, P4, and P5 panelboards. Rated at 100kAIC at 240VAC and 25kAIC at 480Y/277VAC, it is HACR rated and suitable for reverse feed applications.Specifications
| Brand | Siemens |
|---|---|
| Part Number | NGB3B035B |
| Series | NGB |
| Amperage | 35A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 25kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 14kA @ 125/250VDC |
| Frame Type | NGB |
|---|---|
| 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 (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 (3TC1GG20) |
| Standards | CSA C22.2 No. 5, UL 489, NEMA AB 1 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, Reverse Feed |
Product FAQs
5 answersWhich Siemens panelboards are compatible with the NGB3B035B breaker?
This Sentron series bolt-on breaker is designed for installation in Siemens P1, P2, P3, P4, and P5 panelboards.
What wire sizes are supported by the lugs on the NGB3B035B?
The standard factory lugs accommodate 8 to 1/0 AWG copper conductors or 8 to 2/0 AWG aluminum conductors. Always verify the required torque specifications printed on the breaker face before terminating.
Are the thermal and magnetic trip elements adjustable on this breaker?
No. The NGB3B035B features a fixed thermal and fixed magnetic trip unit, providing standard long-time and instantaneous protection without adjustable dials.
Is the NGB3B035B rated for direct current applications?
Yes, this breaker carries a DC interrupting rating of 14kAIC at 125/250VDC, allowing it to be used in specific direct current systems alongside its standard AC applications.
How does the NGB3B035B connect to the panelboard bus?
It utilizes a bolt-on connection type, securing directly to the panelboard bus structure. This provides a rigid, vibration-resistant electrical connection typical for commercial and industrial environments.
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