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Siemens NXD63B100 Miniature Circuit Breaker - 100A

Siemens NXD63B100 Miniature Circuit Breaker, 100A, 6kA.

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ManufacturerSiemens

Part numberNXD63B100

Type Miniature Circuit Breaker (MCB)

Rated current 100 A

Breaking capacity 6 kA

Tripping curve Type C

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Overcurrent and short-circuit protection 6 kA breaking capacity Type C tripping characteristic 3-pole design High reliability

Product description

The Siemens NXD63B100 is a miniature circuit breaker (MCB) designed for reliable protection against overcurrents and short circuits. It features a current rating of 100A, a breaking capacity of 6kA, and a C-curve tripping characteristic. This device is suitable for AC applications up to 400V, ensuring the safety and operational continuity of electrical circuits.

This circuit breaker is commonly used in residential, commercial, and industrial distribution boards to protect wiring systems. Its robust design and dependable performance make it a vital component in ensuring electrical safety and preventing damage to connected equipment.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens NXD63B100 to meet your industrial automation needs. We pride ourselves on providing high-quality, cost-effective solutions and ensuring prompt delivery to minimize your operational downtime.

Technical specifications

Type	Miniature Circuit Breaker (MCB)
Rated current	100 A
Breaking capacity	6 kA
Tripping curve	Type C
Number of poles	3
Rated voltage	400 V AC
Frequency	50/60 Hz

Common applications

Distribution boards

Residential wiring

Commercial installations

Industrial power distribution

Machine protection

Compatible systems

Compatible with standard DIN rail mounting and associated busbar systems.

Also known as

Siemens NXD63B100 MCB Siemens 3-pole circuit breaker 100A

Replaces / compatible with

This circuit breaker is designed to protect electrical circuits and can replace older or non-compliant overcurrent protection devices.

Technical note

Expert tip

The NXD63B100 is designed for overcurrent protection; it does not provide undervoltage or overvoltage protection.

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Frequently asked questions

What type of tripping characteristic does the Siemens NXD63B100 have?

The Siemens NXD63B100 features a Type C tripping characteristic. This means it is designed for loads with higher inrush currents, such as motors, providing reliable protection without nuisance tripping.