Siemens
Siemens 2KJ3112-1PA02-0FC1-Z 125A 400V Miniature Circuit Breaker
Siemens 2KJ3112-1PA02-0FC1-Z Miniature Circuit Breaker
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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
3-pole design
125A current rating
400V voltage rating
25kA breaking capacity
Reliable overcurrent protection
High-quality Siemens manufacturing
Product description
The Siemens 2KJ3112-1PA02-0FC1-Z is a 3-pole Miniature Circuit Breaker with a current rating of 125A and a voltage rating of 400V. It is designed for reliable overcurrent protection in industrial and commercial applications.
This circuit breaker is suitable for use in power distribution systems, motor protection, and general electrical installations across various industries, including manufacturing, construction, and utilities.
As a veteran-owned surplus parts distributor, Stanlo Automation offers hard-to-find components like the Siemens 2KJ3112-1PA02-0FC1-Z. We provide quality tested parts with fast shipping to minimize your downtime.
Technical specifications
| Part Number | 2KJ3112-1PA02-0FC1-Z |
| Manufacturer | Siemens |
| Type | Miniature Circuit Breaker |
| Poles | 3 |
| Current Rating | 125A |
| Voltage Rating | 400V |
| Breaking Capacity | 25kA |
Common applications
Power Distribution
Motor Protection
Industrial Control Panels
Commercial Buildings
Electrical Safety
Manufacturing Facilities
Utilities
Compatible systems
Standard DIN rail mounting systems
Industrial electrical panels
Building distribution boards
Also known as
Siemens 3-pole MCB
125 Amp Circuit Breaker
2KJ3 Series Breaker
Replaces / compatible with
This part is a specific Siemens 2KJ3 series miniature circuit breaker. For specific replacement information, please consult Siemens documentation or contact our support team.
Technical note
Expert tip
Ensure proper wiring and terminal torque for the 125A rating to maintain safe operation and prevent overheating.What happens next?
1
Email confirmation
Immediate receipt acknowledgment sent to you
2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
Frequently asked questions
What is the breaking capacity of the Siemens 2KJ3112-1PA02-0FC1-Z circuit breaker?
The Siemens 2KJ3112-1PA02-0FC1-Z miniature circuit breaker has a breaking capacity of 25kA. This ensures it can safely interrupt fault currents up to this level, providing essential protection for electrical systems.