The Schneider Electric Compact NSX is a high-performance Moulded Case Circuit Breaker (MCCB). The model NSX630NA indicates a 630A frame size, with an N-type (High) breaking capacity and a 3-pole configuration. The "A" suffix specifies a particular variant regarding mounting, termination, or trip unit style, which must be confirmed with the detailed catalog.
Parameter Specification
Product Line / Range Acti 9 / Compact NSX
Frame Size NSX630
Number of Poles 3-Pole (3P)
Breaking Capacity Category N (High Breaking Capacity)
Rated Ultimate Breaking Capacity (Icu) 50 kA at 415V AC (IEC 60947-2)
Rated Operational Current (In) 630 A (The specific trip unit, likely thermal-magnetic for this "A" variant, sets this fixed rating or the upper limit for electronic units).
Trip Unit Type Likely a standard Thermal-Magnetic (TM) unit for the "A" variant, but could be a basic electronic unit. Must be verified. Common options: TM-D, TM-G, or Micrologic 2.0.
Rated Operational Voltage (Ue) Up to 690V AC
Mounting & Connection The "A" suffix defines this. It typically indicates Fixed Mounting with a specific terminal type (e.g., front vertical/horizontal).
Control Rotary Handle (standard).
Electrical Durability Up to 20,000 operations at In
Mechanical Durability Up to 25,000 operations
Standards & Compliance IEC 60947-1 & 60947-2