Schneider C634630S Switch Disconnector, ComPact NSX630NA, 4P 630A AC22A, AC23A

The Schneider Electric C634630S is a 4-pole fixed-mounted switch disconnector from the ComPacT NSX630NA range, rated for a conventional free air thermal current of 630 A at 50°C. Designed for distribution applications, it carries utilisation categories AC-22A and AC-23A with a rated operational voltage of 690 V AC 50/60 Hz. The device is confirmed suitable for isolation per EN/IEC 60947-3.

Technical specifications:

• Commercial reference: C634630S
• Manufacturer: Schneider Electric
• EAN:
• Series / range: ComPacT NSX
• Device short name: NSX630NA
• Product type: Switch disconnector
• Application: Distribution
• Number of poles: 4P
• Conventional free air thermal current [Ith]: 630 A at 50°C
• Rated operational current [Ie]: AC-22A / AC-23A: 630 A, AC 50/60 Hz, 220-690 V
• Rated operational voltage [Ue]: 690 V AC 50/60 Hz
• Network type: AC
• Utilisation category: AC-22A, AC-23A
• Rated insulation voltage [Ui]: 800 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 8 kV
• Rated short-time withstand current [Icw]: 6 kA / 1 s, 6 kA / 3 s, 2.32 kA / 20 s
• Rated short-circuit making capacity [Icm]: 330 kA (with upstream protection circuit breaker), 8.5 kA (switch-disconnector alone)
• Breaking capacity code: NA
• Mounting mode: Fixed
• Mounting support: Backplate
• Control type: Toggle
• Connection: Front (upside and downside)
• Connection pitch: 45 mm
• Suitability for isolation: Yes, conforming to EN/IEC 60947-3
• Mechanical durability: 15,000 cycles
• Dimensions (W x H x D): 185 x 255 x 110 mm
• Weight: 6.8 kg
• IP protection rating: IP40 conforming to IEC 60529
• IK protection rating: IK07 conforming to IEC 62262
• Electrical shock protection class: Class II
• Pollution degree: 3 conforming to IEC 60664-1
• Operating temperature: -25 to 70°C
• Storage temperature: -50 to 85°C
• Standards: EN/IEC 60947-1, EN/IEC 60947-3

Features and benefits:

• Rated for full 630 A thermal current in free air at 50°C, suitable for high-current distribution circuits
• Dual utilisation categories AC-22A and AC-23A cover both non-inductive and motor load switching
• Certified for isolation duty per EN/IEC 60947-3, enabling safe maintenance isolation
• High short-circuit making capacity of 330 kA when used with an upstream protective circuit breaker
• Contact position indicator included for clear open/closed status verification
• Wide operating temperature range of -25 to 70°C for demanding industrial environments

Applications:

• Main switch disconnector in industrial power distribution switchboards and control panels
• Isolation switching in high-current feeder circuits up to 690 V AC
• Motor load switching in AC-23A category applications such as large drives and process equipment
• Energy distribution in commercial and industrial installations requiring confirmed isolation
• Incoming supply isolation for downstream distribution equipment and busbar systems

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

Also known as: Schneider C634630S, Schneider Electric C634630S, NSX630NA switch disconnector, ComPacT NSX 630A 4-pole disconnector.