Siemens
Siemens 2KJ3500-5CC21-4FA1-Z 100A 400V Miniature Circuit Breaker
Siemens 2KJ3500-5CC21-4FA1-Z Miniature Circuit Breaker
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Same-day dispatch
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Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
3-pole design
100A current rating
400V operational voltage
15kA breaking capacity
High current protection
DIN rail mountable
Product description
The Siemens 2KJ3500-5CC21-4FA1-Z is a 3-pole Miniature Circuit Breaker with a 100A current rating and a 400V voltage rating. It is engineered for robust protection of main power circuits.
This circuit breaker is ideal for main distribution panels, large industrial equipment, and other applications requiring high current protection up to 100A in commercial and industrial settings.
Stanlo Automation, a veteran-owned supplier of surplus industrial automation components, offers the Siemens 2KJ3500-5CC21-4FA1-Z. Trust us for quality-tested parts and rapid shipping to minimize your downtime.
Technical specifications
| Part Number | 2KJ3500-5CC21-4FA1-Z |
| Manufacturer | Siemens |
| Type | Miniature Circuit Breaker |
| Poles | 3 |
| Current Rating | 100A |
| Voltage Rating | 400V |
| Breaking Capacity | 15kA |
Common applications
Main Distribution Panels
Industrial Power Feeders
Large Machinery
Commercial Buildings
Power Distribution
Control Panels
Data Centers
Compatible systems
Standard 35mm DIN rail
Main electrical distribution boards
Industrial control cabinets
Also known as
Siemens 3-pole 100A MCB
2KJ3 Series Breaker
400V 15kA Circuit Breaker
Replaces / compatible with
This Siemens 2KJ3 series breaker is designed for specific high-current protection applications. Consult Siemens technical documentation for exact replacement guidelines and compatible accessories.
Technical note
Expert tip
Proper terminal connections and torque are critical for the 100A rating to prevent overheating and ensure reliable operation in demanding applications.What happens next?
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2
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3
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Frequently asked questions
What is the breaking capacity of the Siemens 2KJ3500-5CC21-4FA1-Z circuit breaker?
The Siemens 2KJ3500-5CC21-4FA1-Z miniature circuit breaker offers a breaking capacity of 15kA. This ensures it can safely interrupt fault currents up to 15,000 amperes, providing crucial protection for high-power electrical systems.