Why Choose the ABB 1SCA163441R1001 OT25G1-4DSN2 Switch Disconnector?
The ABB 1SCA163441R1001, also known as the OT25G1-4DSN2, is a high-performance 25 A four-pole switch disconnector designed for safe isolation of low-voltage electrical circuits in industrial, commercial and OEM applications. As part of the trusted ABB OT Plus switch disconnector range, it combines compact dimensions with dependable switching performance, making it ideal for electrical distribution panels and machinery.
Designed for door-mounted operation, the OT25G1-4DSN2 features integrated screw terminals and a front-operated switching mechanism. It is intended for use with a compatible external operating handle and shaft, allowing operators to safely isolate equipment without opening the electrical enclosure.
With a rated current of 25 A, a four-pole configuration and an N2 neutral arrangement, this switch disconnector is suitable for isolating three-phase electrical systems where the neutral conductor must also be disconnected. Its compact G1 frame simplifies installation while delivering long-term operational reliability.
Key Advantages
- Reliable 25 A switch disconnector for low-voltage electrical isolation.
- Four-pole design isolates three phases and neutral simultaneously.
- Door-mounted operation with external handle compatibility.
- Compact G1 frame maximises enclosure space.
- Integrated screw terminals simplify installation.
- Suitable for industrial machinery, switchboards and electrical distribution.
Key Features
- ABB OT Plus switch disconnector series.
- 25 A rated operational current.
- Four-pole IEC switch disconnector.
- N2 neutral configuration.
- Front-operated switching mechanism.
- Door-mounted design.
- Integrated screw terminals.
- Compatible with external operating handle and shaft.
- Rated operational voltage up to 800 V AC.
- Compact G1 frame construction.
Reliable Isolation for Industrial Electrical Systems
The ABB OT25G1-4DSN2 provides a dependable means of isolating electrical circuits for maintenance and servicing. Its four-pole switching arrangement disconnects all live conductors simultaneously, improving safety and supporting compliance with modern electrical installation practices.
Its compact design, robust switching mechanism and flexible installation make it a popular choice for panel builders, machinery manufacturers and electrical contractors requiring reliable isolation equipment for demanding industrial environments.
Typical Applications
- Industrial control panels.
- Electrical distribution boards.
- Motor control centres.
- OEM machinery.
- HVAC equipment.
- Pumps, conveyors and compressors.
- Commercial and industrial electrical installations.
