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Siemens NGB1B015B Molded Case Circuit Breaker

  • 15A
  • 1 Pole
  • Bolt-On
Siemens NGB1B015B
Molded Case Circuit Breaker
Brand Siemens
SKU NGB1B015B
Select Item Condition
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  • 15A
  • 1 Pole
  • Bolt-On

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Siemens NGB1B015B 1 Pole Circuit Breaker

Siemens NGB1B015B - 15A 1 Pole Molded Case Circuit Breaker

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$168.62 In Stock

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Description

Highly capable in commercial settings, the Siemens NGB1B015B is a 15A molded case circuit breaker designed for reliable power distribution. It features fixed thermal-magnetic trip functions to protect branch circuits against overloads. This single-pole breaker bolts into Siemens P1, P2, and P3 panelboards. When modernizing systems, note that this NGB frame unit is replaced by the 3VA51 series.

Specifications

Key specifications
Brand Siemens
Part Number NGB1B015B
Series NGB
Amperage 15A
Poles 1
Mounting Style Bolt-On
Voltage 120VAC, 277VAC, 125VDC, 347VAC
Phase 1
AIC Rating 100kA @ 120VAC, 25kA @ 277VAC, 14kA @ 125VDC, 14kA @ 347VAC
Fit and installation
Frame Type GG
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards
Wire Gauge 14-6 AWG (Cu), 12-6 AWG (Al)
Max Wire 6 AWG
Min Wire 14 AWG (Cu), 12 AWG (Al)
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch
Accessories Load Side Lugs (TC1Q1)
Standards CSA C22.2 No. 5, UL 489, NEMA AB 1
Approval CSA, HACR, HID, SWD, UL
Temp Rating 40C
Construction Features HACR Rated, Reverse Feed

Product FAQs

6 answers
Which panelboards accept the Siemens NGB1B015B circuit breaker?

This single-pole breaker bolts directly into Siemens P1, P2, and P3 commercial panelboards.

What is the modern replacement series for Siemens NGB frame breakers?

When upgrading or modernizing panelboards, NGB frame breakers like the NGB1B015B are superseded by the Siemens 3VA51 series.

Is the NGB1B015B suitable for switching lighting and HVAC loads?

Yes, this breaker is SWD (Switching Duty), HID (High-Intensity Discharge), and HACR (Heating, Air Conditioning, and Refrigeration) rated, allowing it to safely control fluorescent lighting, HID fixtures, and HVAC equipment.

Can the NGB1B015B be installed in DC circuits?

Yes, in addition to its AC ratings, this breaker is rated for 125VDC systems with a 14kA interrupting capacity.

What are the acceptable wire sizes for the NGB1B015B terminals?

The included lugs accommodate 14 to 6 AWG copper conductors or 12 to 6 AWG aluminum conductors.

Can the trip curve be adjusted on the NGB1B015B?

No, this thermal-magnetic breaker utilizes fixed thermal and fixed magnetic trip elements for its long-time and instantaneous (LI) protection functions.

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