1. Technical Specifications of Schneider C25H42D250
Model: ComPacT NSX250H
Breaking Capacity: 70kA at 415VAC
Number of Poles: 4 (4 protected poles)
Trip Unit: MicroLogic 2.2
Rated Current: 250A
Circuit Breaker Type: Molded Case Circuit Breaker (MCCB)
Operational Voltage: Up to 690VAC
Frequency: 50/60Hz
2. Features of Schneider C25H42D250
✅ High Breaking Capacity: 70kA ensures excellent protection against short circuits. ✅ Advanced Trip Unit: MicroLogic 2.2 provides enhanced monitoring and protection. ✅ Full Protection: All 4 poles are protected for complete electrical safety. ✅ Compact & Durable Design: Ideal for demanding applications with limited space. ✅ Easy Installation & Maintenance: Designed for quick integration into electrical panels. ✅ Optimized Energy Management: Ensures efficient power distribution and system stability.
3. Applications:
🔹 Industrial & Commercial Buildings: Protects electrical distribution networks from overloads and faults. 🔹 Data Centers & Critical Infrastructure: Ensures stable power supply and fault isolation. 🔹 Power Plants & Renewable Energy Systems: Suitable for solar, wind, and industrial power grids. 🔹 Heavy-Duty Motor Control: Provides reliable protection for high-power motors and machinery.
100 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 70 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 65 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 50 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 35 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 10 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 15 kA at 600 V AC 50/60 Hz conforming to UL 508
Performance level
H 70 kA 415 V AC
Trip unit name
MicroLogic 2.2
Trip unit technology
Electronic
Trip unit protection functions
LSoI
control type
Toggle
Circuit breaker mounting mode
Fixed
Complementary
[Ui] rated insulation voltage
800 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage
8 kV
[Ics] rated service short-circuit breaking capacity
100 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 70 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 65 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 50 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 35 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 10 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
Mechanical durability
20000 cycles
Electrical durability
20000 cycles at 440 V In/2 10000 cycles at 440 V In 10000 cycles at 690 V In/2 5000 cycles at 690 V In
Power dissipation per pole
17.6 W
Mounting support
Backplate
Mounting position
Horizontal and vertical Flat on the back
Upside connection
Front
Downside connection
Front
Connection pitch
35 mm
Protection type
L : for overload protection (long time) So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection
Trip unit rating
250 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection)
Adjustable 9 settings
[Ir] long-time protection pick-up adjustment range
100…250 A
Long-time protection delay adjustment type tr
Fixed
[tr] 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
Neutral protection settings
0.5 x Ir (3D + N/2) 1 x Ir (4D) No protection (3D)
Thermal memory
20 minutes before and after tripping
Short-time protection pick-up adjustment type Isd
Adjustable 9 settings
[Isd] Short-time protection pick-up adjustment range
1.5…10 x Ir
Short-time protection delay adjustment type tsd
Fixed
Instantaneous protection pick-up adjustment type Ii
Fixed
[Ii] instantaneous protection pick-up adjustment range
3000 A
Earth-leakage protection
Without
Zone selective interlocking ZSI
Without
Number of slots for electrical auxiliaries
5 slot(s)
Local signalling
Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload
Width (W)
140 mm
Height (H)
161 mm
Depth (D)
86 mm
Product weight
2.8 kg
Environment
Standards
EN/IEC 60947-2
overvoltage category
Class II
Electrical shock protection class
Class II
Pollution degree
3 conforming to IEC 60664-1
IP degree of protection
IP40 conforming to IEC 60529
IK degree of protection
IK07 conforming to IEC 62262
Ambient air temperature for operation
-25…70 °C
Ambient air temperature for storage
-50…85 °C
Relative humidity
0…95 %
Operating altitude
0…2000 m without derating 2000 m…5000 m with derating
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