Schneider C253250S Switch Disconnector, ComPacT NSX250NA, 3P 250A

The Schneider Electric C253250S is a 3-pole fixed switch disconnector from the ComPacT NSX250NA series, rated for a conventional free air thermal current of 250 A at 50°C. Designed for distribution applications, it supports both AC and DC networks up to 690 V AC and 750 V DC, with suitability for isolation conforming to EN/IEC 60947-3.

Technical specifications:

• Commercial reference: C253250S
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX
• Device type: Switch disconnector
• Application: Distribution
• Number of poles: 3P
• Conventional free air thermal current [Ith]: 250 A at 50°C
• Rated operational current [Ie]: 250 A AC-22A / AC-23A, 220-690 V AC 50/60 Hz
• Rated operational voltage [Ue]: 690 V AC 50/60 Hz; 750 V DC (3 poles in series)
• Network type: AC / DC
• Utilisation categories: AC-22A, AC-23A, DC-22A, DC-23A
• Breaking capacity code: NA
• Rated short-time withstand current [Icw]: 3.5 kA for 1 s / 3 s; 1.35 kA for 20 s
• Rated short-circuit making capacity [Icm]: 330 kA with upstream protection; 4.9 kA standalone
• Rated insulation voltage [Ui]: 800 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 8 kV
• Control type: Toggle
• Mounting mode: Fixed
• Mounting support: Backplate
• Connection: Front (upside and downside)
• Mechanical durability: 20,000 cycles
• Dimensions (W x H x D): 105 x 161 x 86 mm
• Weight: 1.8 kg
• IP degree of protection: IP40 (IEC 60529)
• IK degree of protection: IK07 (IEC 62262)
• Operating temperature: -25 to 70°C
• Storage temperature: -50 to 85°C
• Standards: EN/IEC 60947-1, EN/IEC 60947-3

Features and benefits:

• Suitable for isolation per EN/IEC 60947-3, enabling safe maintenance isolation of downstream circuits
• Wide voltage compatibility covering AC up to 690 V and DC up to 750 V (3 poles in series)
• High short-circuit making capacity of 330 kA when used with upstream protection circuit breaker
• Contact position indicator provides visual confirmation of switch state
• Rated for pollution degree 3 environments, suitable for industrial installation conditions
• Class II electrical shock protection for enhanced safety

Applications:

• Main or section isolator in industrial power distribution boards
• Safe isolation point for maintenance in manufacturing and process plant panels
• Distribution switchgear for commercial building electrical installations
• DC distribution circuits in renewable energy or battery storage systems (up to 750 V DC)

Compliant with EN/IEC 60947-1 and EN/IEC 60947-3. Part of the Schneider Electric ComPacT NSX range.

Also known as: Schneider C253250S, Schneider Electric C253250S, ComPacT NSX250NA switch disconnector, NSX250 isolator.