Why Choose the ABB OTZ400E Fourth Pole?
The ABB OTZ400E is a genuine fourth pole accessory designed for use with ABB OT315 to OT400 switch disconnectors. Manufactured to ABB's high engineering standards, it enables a three-pole switch disconnector to be converted into a four-pole configuration with simultaneous switching of all poles, making it ideal for low voltage power distribution and industrial isolation applications.
Designed for seamless integration with ABB OT series switch disconnectors, the OTZ400E mounts directly onto the side of compatible three-pole switches without increasing phase spacing. This genuine ABB accessory delivers dependable mechanical operation whilst maintaining the performance and safety characteristics of the original switchgear.
With a 400 A thermal current rating, the ABB OTZ400E is widely used in industrial switchboards, machinery, motor control centres and commercial power distribution systems where four-pole switching is required.
Key Advantages
- Genuine ABB fourth pole accessory.
- Converts compatible three-pole switches into four-pole switch disconnectors.
- Designed for ABB OT315 to OT400 switch disconnectors.
- Simultaneous operation with the main contacts.
- Side-mounted installation without increasing phase spacing.
- Ideal for industrial and commercial isolation applications.
Key Features
- ABB OTZ fourth pole series.
- Additional fourth switching pole.
- 400 A conventional thermal current.
- Compatible with ABB OT315...OT400 switch disconnectors.
- Side-mounted accessory.
- Mechanical operation linked to the main switch.
- Order code: 1SCA022749R1960.
- Manufactured to ABB low voltage switchgear standards.
Reliable Four-Pole Switching for Industrial Installations
The ABB OTZ400E allows compatible three-pole ABB OT switch disconnectors to operate as four-pole devices, ensuring all poles switch simultaneously. This makes it suitable for applications where switching the neutral conductor alongside the phase conductors is required for safe electrical isolation.
As a genuine ABB accessory, the OTZ400E ensures precise fitment, dependable operation and full compatibility with the ABB OT switch disconnector range, providing long-term reliability in demanding industrial environments.
Typical Applications
- Industrial switchboards.
- Power distribution systems.
- Motor control centres.
- Machine building and OEM equipment.
- Commercial electrical installations.
- Main isolation and disconnect applications.
