Siemens
Siemens NJX3R250 250A 3-Pole Electronic Molded Case Circuit Breaker
Siemens NJX3R250 250A 3-Pole Electronic Molded Case Circuit Breaker
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12-Mo Warranty
Same-Day Dispatch
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🎖 Veteran-Owned
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Response within 1 business hour
12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
250A current rating
3-pole configuration
Electronic trip unit (LSI)
35kA interrupting capacity
600V AC rating
VL Series
Product description
The Siemens NJX3R250 is a 3-pole electronic molded case circuit breaker designed for high-capacity industrial applications, offering 250A of protection.
This breaker features an electronic trip unit with LSI (Long-Time, Short-Time, Instantaneous) functions for advanced overcurrent protection, and a 35kA IR at 480V interrupt rating. It is part of the VL Series and uses a JG Frame.
Source your Siemens NJX3R250 from Stanlo Automation, a veteran-owned distributor offering a wide range of surplus industrial automation parts. Benefit from competitive pricing and fast shipping to keep your operations running smoothly.
Technical specifications
| Amperage | 250A |
| Voltage | 600V AC |
| Poles | 3 |
| Interrupt Rating | 35kA@480V |
| Frame Type | JG |
| Trip Type | Electronic (LSI) |
| Series | VL |
Common applications
Industrial power distribution
High-capacity electrical systems
Machine control
Panel building
Motor protection
Compatible systems
Industrial control panels and distribution systems
Also known as
Siemens NJX3R250 circuit breaker, Siemens 250A 3P breaker, NJX3R250 MCCB
Replaces / compatible with
The NJX3R250 is part of the Siemens VL Series and offers advanced protection features. Consult Siemens documentation for specific cross-references.
Technical note
Expert tip
The NJX3R250 has a JG Frame type and is designed for robust industrial applications requiring precise overcurrent protection.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 trip functions are included with the Siemens NJX3R250 circuit breaker?
The Siemens NJX3R250 features an electronic trip unit with LSI functions, providing Long-Time, Short-Time, and Instantaneous protection for comprehensive overcurrent management.