Used Industrial Parts
Schneider Electric Compact NSX 250B Circuit Breaker
Schneider Electric Compact NSX 250B Circuit Breaker
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Schneider Electric Compact NSX250B Circuit Breaker with MicroLogic 5.2 Control Unit Specifications:
- Product Type: Molded Case Circuit Breaker (MCCB)
- Manufacturer: Schneider Electric
- Model: Compact NSX250B with MicroLogic 5.2
- Device Application: Distribution protection
- Poles Description: 3P 3d
- Rated Current (In): 250 A at 40 °C
- Trip Unit Name: MicroLogic 5.2 E (Ammeter or Energy-metering )
- Trip Unit Technology: Electronic
- Trip Unit Rating: 100–250 A (adjustable)
-
Protection Type:
- L: Overload protection (long time)
- S: Short-time short-circuit protection (adjustable delay)
- I: Instantaneous short-circuit protection
- Rated Insulation Voltage (Ui): 800 V AC 50/60 Hz
- Rated Impulse Withstand Voltage (Uimp): 8 kV
- Rated Operational Voltage (Ue): 690 V AC 50/60 Hz
- Network Type: AC
- Network Frequency: 50/60 Hz
- Breaking Capacity Code: B (25 kA at 415 V AC)
-
Breaking Capacity (Icu):
- 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)
-
Rated Service Breaking Capacity (Ics):
- 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)
- Suitability for Isolation: Yes (EN/IEC 60947-2)
- Utilization Category: Category A
- Control Type: Toggle
- Mounting Mode: Fixed
- Mounting Support: Backplate
- Mounting Position: Horizontal, vertical, or flat on the back
- Connection Type: Front connection (upside and downside)
- Connection Pitch: 35 mm
- 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
-
Long-Time Protection Delay Adjustment Range:
- 400 s at 1.5 x Ir
- 16 s at 6 x Ir
- 11 s at 7.2 x Ir
- Thermal Memory: 20 minutes before and after tripping
- 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
- I²t ON/OFF: Selectable for short-time protection curve
- Instantaneous Pick-Up Adjustment Type (Ii): Adjustable
- Display Type: LCD (for settings and measurements)
-
Local Signalling:
- Flashing LED (green): Ready to operate
- LED 90 % Ir (orange): Overload pre-alarm
- LED 105 % Ir (red): Overload alarm
-
Measurement Functions (MicroLogic 5.2 E):
- Instantaneous and demand current measurements
- Energy metering
- Kilowatt-hour metering
- Operational assistance (e.g., peak demand, customized alarms, operation counters)
- Communication: Configurable for communication with other devices (e.g., via EcoStruxure Power architecture)
- Mechanical Durability: 20,000 cycles
-
Electrical Durability:
- 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
- Power Dissipation per Pole: 17.6 W
- Number of Slots for Electrical Auxiliaries: 5 slots
- IP Degree of Protection: IP40 (IEC 60529)
- IK Degree of Protection: IK07 (IEC 62262)
- Electrical Shock Protection Class: Class II (front face)
- Pollution Degree: 3 (IEC 60664-1)
- Ambient Air Temperature for Operation: -25 to 70 °C
- Ambient Air Temperature for Storage: -50 to 85 °C
- Relative Humidity: 0–95 %
- Operating Altitude: 0–2000 m without derating; 2000–5000 m with derating
- Standards Compliance: EN/IEC 60947-2, CCC, EAC, marine specifications
- Product Certifications: IEC, CCC, EAC
-
Dimensions:
- Width: 105 mm (3P), 140 mm (4P)
- Height: 161 mm
- Depth: 86 mm
- Weight: Approximately 2.4 kg
- HS Code: 8536.20.90
- Country of Origin: France
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