Schneider Electric Compact NSX 250B Circuit Breaker
Schneider Electric Compact NSX 250B Circuit Breaker
Stock: 1
Couldn't load pickup availability
Product description & specifications
Rated Impulse Withstand Voltage (Uimp): 8 kV
40 kA at 220/240 V AC 50/60 Hz (IEC 60947-2)
25 kA at 380/415 V AC 50/60 Hz (IEC 60947-2)
20 kA at 440 V AC 50/60 Hz (IEC 60947-2)
15 kA at 500 V AC 50/60 Hz (IEC 60947-2)
40 kA at 220/240 V AC 50/60 Hz (IEC 60947-2)
25 kA at 380/415 V AC 50/60 Hz (IEC 60947-2)
20 kA at 440 V AC 50/60 Hz (IEC 60947-2)
15 kA at 500 V AC 50/60 Hz (IEC 60947-2)
Long-Time Pick-Up Adjustment Type (Ir): Adjustable via dials or keypad (9 settings)
Long-Time Pick-Up Adjustment Range: 100–250 A
Long-Time Protection Delay Adjustment Type (tr): Adjustable
400 s at 1.5 x Ir
16 s at 6 x Ir
11 s at 7.2 x Ir
Short-Time Pick-Up Adjustment Type (Isd): Adjustable (9 settings)
Short-Time Pick-Up Adjustment Range: 1.5–10 x Ir
Short-Time Protection Delay Adjustment Type (tsd): Adjustable
Short-Time Protection Delay Adjustment Range: 0–0.4 s
Instantaneous Pick-Up Adjustment Type (Ii): Adjustable
Instantaneous and demand current measurements
Energy metering
Kilowatt-hour metering
Operational assistance (e.g., peak demand, customized alarms, operation counters)
20,000 cycles at 440 V In/2
10,000 cycles at 440 V In
10,000 cycles at 690 V In/2
5,000 cycles at 690 V In
Number of Slots for Electrical Auxiliaries: 5 slots
Electrical Shock Protection Class: Class II (front face)
Ambient Air Temperature for Operation: -25 to 70 °C
Ambient Air Temperature for Storage: -50 to 85 °C
Delivery & Returns
Delivery & Returns
1. Normal delivery the next business day (The Netherlands). Other countries may take longer, sometimes you have to wait a little longer to get your order, but it's always worth it!
2. Returns, email or call for your RMA number, without RMA number we can not provide a Refund.
Why buy from us
Why buy from us
How we stand out:
1. We are a 100% Dutch company with a warehouse in The Netherlands.
2. In stock means really IN STOCK.
3. All Used Industrial Parts are inspected before listing for sale.
4. All Used Industrial Parts come with a DOA warranty and a 6 months warranty.
5. The Biggest inventory! We buy (and sell) "Surplus New", "Used" and "Obsolete" Automation Controls, and Industrial Process Equipment daily, so we are proud of our huge inventory!
Share

More info
View all-
Used Automation Equipment Marketplace Guide
A used automation equipment marketplace helps plants source PLCs, drives, robots, and controls fast, with warranty-backed options for downtime-critical needs.
Used Automation Equipment Marketplace Guide
A used automation equipment marketplace helps plants source PLCs, drives, robots, and controls fast, with warranty-backed options for downtime-critical needs.
-
10 Top Fanuc Robot Models for Industry
Compare top Fanuc robot models for payload, reach, and plant fit. A practical guide for sourcing reliable robots for production and repair use.
10 Top Fanuc Robot Models for Industry
Compare top Fanuc robot models for payload, reach, and plant fit. A practical guide for sourcing reliable robots for production and repair use.
-
How to Replace Industrial Control Transformers
Learn how to replace industrial control transformers safely, match specs correctly, avoid wiring errors, and reduce downtime fast.
How to Replace Industrial Control Transformers
Learn how to replace industrial control transformers safely, match specs correctly, avoid wiring errors, and reduce downtime fast.
Talk to a specialist about this part
Not sure if it fits your machine, or do you need multiple units? Our team knows our stock inside out — ask about condition or compatibility, or request a tailored quote. Most questions answered the same day.
- 100% Dutch company
- Inspected & tested
- DOA + 6-month warranty
- Worldwide shipping
