Technical Parameters
Parameter Specification Notes
Series / Type System Pro M - GSN Switch-Fuse Disconnector
Standards IEC/EN 60947-3, IEC/EN 60947-1
Rated Operational Voltage (Ue) 690 V AC (50/60 Hz)
Rated Insulation Voltage (Ui) 800 V AC
Rated Impulse Withstand Voltage (Uimp) 8 kV
Switch Rated Operational Current (Ie) 63 A (at 40°C, AC-23B) Frame size defined by 201.
Utilization Category AC-23B (for switching motor loads) Also suitable for AC-20, AC-21, AC-22.
Short-Circuit Performance
• Rated Conditional Short-Circuit Current (Icq) 50 kA (with specified gG/gL NH fuses) Requires correct fuse coordination.
• Rated Making Capacity (Icm) Up to 10 x Ie (peak)
Fuse Compatibility
• Fuse Type NH (Knife-Blade) Fuses per DIN 43620 / IEC 60269
• Fuse Size Size 00 Accepts fuse links up to 160A.
• Max. Recommended Fuse Rating 100 A gG/gL (typical for thermal design) Actual depends on ambient temp and assembly.
Mechanical & Electrical Life
• Mechanical Durability ≥ 10,000 operations
• Electrical Durability (AC-23B) ≥ 5,000 operations at full rated current
Handle Type C10: Side-mounted rotary lever handle, padlockable in OFF position (up to 3 padlocks). "L" in GSN201L also indicates side-lever operation.
Auxiliary Contacts Optional add-on auxiliary contact blocks (e.g., 1NO+1NC) available for signaling. Not included in base C10 version.
Terminals Screw-clamp terminals for copper/aluminum cables.
Mounting 35 mm DIN Rail (EN 60715) or direct panel mounting.
Protection Degree IP20 (as installed in enclosure)
Ambient Temperature Operating: -25°C to +60°C (derating above 40°C)
Storage: -50°C to +85°C
Pollution Degree PD 3 For industrial environments.
Dimensions (W x H x D) Approx. 105 mm x 145 mm x 120 mm (3-pole with handle)
Weight Approx. 1.2 kg (without fuses)
Safety Approvals CE, cULus, CCC, etc.
The ABB GSN201L C10 is a compact, three-phase switch-fuse combination unit from ABB's System Pro M power distribution product range. It integrates a manual rotary switch-disconnector (isolator) with fuse holders into a single device, providing a safe means for circuit isolation, load switching, and short-circuit protection in a compact footprint.