Siemens
Siemens NGB3C015B Miniature Circuit Breaker — 15A 240V AC
Siemens NGB3C015B 3-Pole Miniature Circuit Breaker (MCB)
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12-Mo Warranty
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12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
15A current rating
Three-pole isolation
Thermal-magnetic protection
DIN rail mountable
Compact and reliable
Product description
The Siemens NGB3C015B is a three-pole miniature circuit breaker offering dependable overcurrent protection for 240V AC circuits. It features a 15A rating and employs a thermal-magnetic trip mechanism for effective fault response.
This 3-pole breaker is suitable for a variety of applications, including protection of three-phase circuits for smaller motors, control systems, and lighting circuits where simultaneous phase isolation is beneficial. It is a key component for electrical safety.
Stanlo Automation, your veteran-owned source for surplus industrial automation components, offers the Siemens NGB3C015B. We provide quality parts to help you maintain operational efficiency.
Technical specifications
| Voltage | 240V AC |
| Current | 15A |
| Poles | 3 |
| Trip Type | Thermal-Magnetic |
| Series | NGB |
| Mounting | DIN Rail |
Common applications
Small motor protection
Control circuit protection
Lighting circuits
Three-phase distribution
Machine panel wiring
Compatible systems
Three-phase AC power circuits
Control panels
Machinery wiring
Standard DIN rail mounting systems
Also known as
Siemens NGB3C015B breaker
NGB3C015B MCB
Siemens 15A 3-pole breaker
NGB 15A breaker
Replaces / compatible with
This 3-pole circuit breaker from the Siemens NGB series provides essential overcurrent protection for circuits requiring simultaneous switching of three conductors.
Technical note
Expert tip
For applications involving potential high fault currents, verify that the breaker's interrupting rating meets the requirements of the electrical installation.What happens next?
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3
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Frequently asked questions
What is the purpose of a 3-pole circuit breaker like the NGB3C015B?
A 3-pole circuit breaker, such as the Siemens NGB3C015B, is used to simultaneously disconnect all three phases of a three-phase power supply. This ensures complete isolation for three-phase loads and enhances safety during maintenance or in fault conditions.