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Siemens NGG3B030L Miniature Circuit Breaker — 30A 240V AC

Siemens NGG3B030L 3-Pole Miniature Circuit Breaker (MCB)

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ManufacturerSiemens

Part numberNGG3B030L

Voltage 240V AC

Current 30A

Poles 3

Trip Type Thermal-Magnetic

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12-month warranty

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Same-day dispatch

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Worldwide delivery

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Veteran-owned

CAGE: 9NK75

30A current rating Three-pole design Thermal-magnetic trip DIN rail mountable High reliability

Product description

The Siemens NGG3B030L is a 3-pole miniature circuit breaker designed for robust overcurrent protection in 240V AC industrial applications. It features a 30A rating and a reliable thermal-magnetic trip mechanism to ensure safety and prevent equipment damage.

This circuit breaker is ideal for protecting three-phase motors, control systems, and distribution circuits in demanding industrial environments. Its 3-pole configuration provides complete isolation for all phases of the power supply.

Stanlo Automation, a veteran-owned surplus industrial automation parts distributor, offers the Siemens NGG3B030L. We are committed to providing quality components and excellent service to meet your automation needs.

Technical specifications

Voltage	240V AC
Current	30A
Poles	3
Trip Type	Thermal-Magnetic
Series	NGG
Mounting	DIN Rail

Common applications

Three-phase motor circuits

Industrial distribution panels

Control system protection

Machine safety

Load isolation

Compatible systems

Three-phase AC power circuits Industrial electrical distribution Control panels requiring 3-pole protection Standard DIN rail mounting

Also known as

Siemens NGG3B030L breaker NGG3B030L MCB Siemens 30A 3-pole NGG breaker NGG 30A 3-pole

Replaces / compatible with

This 3-pole circuit breaker from the Siemens NGG series offers dependable overcurrent protection and isolation for three-phase power systems.

Technical note

Expert tip

For optimal performance in high-ambient temperature environments, ensure adequate ventilation around the installed circuit breaker.

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Frequently asked questions

What is the trip mechanism of the Siemens NGG3B030L circuit breaker?

The Siemens NGG3B030L utilizes a thermal-magnetic trip mechanism. This dual-action system provides protection against sustained overloads through its thermal element and against sudden short circuits via its magnetic element.