ABB OT Plus OT25G1-6BS25 6-Pole Load Disconnector, 25A, 690V AC, Base Mounting

With a rated impulse withstand voltage of 8 kV, the ABB OT Plus OT25G1-6BS25 load disconnector delivers exceptional insulation resilience in a compact 6-pole configuration. This switch is engineered for reliable isolation and ON-OFF control in industrial and commercial power distribution systems, ensuring safe disconnection under load conditions up to 25 A at 690 V AC.

Overview

The OT Plus series from ABB is renowned for its robust construction and compliance with IEC 60947-3. The OT25G1-6BS25 features a direct mounted handle for ergonomic operation and clear position indication. Its base mounting design allows for straightforward installation on DIN rails or mounting plates, while screw terminals accommodate conductors from 1.5 to 16 mm², providing flexible wiring options. The switch is rated IP20 at terminals and IP65 at the front, offering protection against dust and water ingress in demanding environments.

What stands out

• High electrical durability: 10,000 operating cycles
• Excellent mechanical endurance: 20,000 cycles
• Wide operating temperature range: -25°C to +70°C
• Rated conditional short-circuit current of 50 kA with a 25 A gG fuse
• Compact G1 frame size for space-saving installations

Technical details

• Product Type: Load Disconnector
• Number of Poles: 6
• Rated Operational Current (Ie): 25 A
• Rated Operational Voltage (Ue): 690 V AC
• Rated Insulation Voltage (Ui): 750 V
• Rated Impulse Withstand Voltage (Uimp): 8 kV
• Rated Short-time Withstand Current (Icw): 1 kA for 1 second
• Handle Type: Direct Mounted Handle
• Mounting Type: Base Mounting
• Terminal Type: Screw Terminals
• Terminal Capacity: 1.5 - 16 mm²
• Degree of Protection (Terminals): IP20
• Degree of Protection (Front): IP65
• Standards: IEC 60947-3
• Frame Size: G1

Our verdict

The ABB OT25G1-6BS25 is a dependable choice for applications requiring a robust six-pole disconnect switch with high insulation ratings and flexible installation options. Its combination of electrical and mechanical durability makes it a long-lasting component in any power distribution setup.