OT250E22P ABB 250A 4-Pole Switch-Disconnector

Why Choose the ABB OT250E22P 250A 4-Pole Switch-Disconnector?

The ABB OT250E22P is a robust 250 A four-pole switch-disconnector designed for dependable load switching and electrical isolation in industrial and commercial low-voltage power systems. As part of the ABB OT switch-disconnector series, it combines high electrical performance with a compact construction suitable for switchboards, distribution panels and machinery.

This version features the operating mechanism positioned between the poles, identified by ABB's E22 configuration. The OT250E22P is front operated and base mounted, with a black IP65 operating handle and shaft supplied together with the terminal bolt kit, providing a practical package for panel and switchboard installation.

With a rated current of 250 A, the OT250E22P provides AC-22A and AC-23A operational current ratings of 250 A at 380–415 V, 500 V and 690 V AC. Its AC-23A operational power rating reaches 145 kW at 400–415 V, 170 kW at 500 V and 250 kW at 690 V, making it suitable for demanding industrial load-switching applications.

Key Advantages

• Heavy-duty 250 A four-pole switch-disconnector for industrial power applications.
• Operating mechanism positioned between the poles for the E22 configuration.
• AC-23A rated at 250 A across 380–415 V, 500 V and 690 V AC applications.
• Rated operational voltage up to 1000 V.
• Front-operated, base-mounted design supports straightforward switchboard integration.
• Supplied with black IP65 handle, shaft and terminal bolt kit.

Key Features

• ABB OT switch-disconnector series.
• 250 A rated current.
• 4-pole switching configuration.
• Mechanism between the poles.
• 1000 V rated operational voltage.
• 1000 V rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 8 kA rated short-time withstand current for 1 s.
• 30 kA rated short-circuit making capacity at 690 V.
• Front-operated, base-mounted construction.
• Lug terminals with 20 mm terminal width.
• Black IP65 operating handle and shaft included.

Reliable Four-Pole Switching for Industrial Power Systems

Switch-disconnectors provide a defined means of manually switching loads and isolating electrical circuits from their power supply. Four-pole devices such as the ABB OT250E22P allow four conductors to be switched together, supporting installations where a four-pole isolation arrangement is required.

The OT250E22P combines a 250 A current rating, four-pole construction and AC-23A load-switching capability with its distinctive mechanism-between-the-poles arrangement. Its included IP65 handle and shaft, base-mounted format and robust electrical ratings make it well suited to industrial switchboards, distribution panels and machinery isolation systems.

Typical Applications

• Industrial power distribution and isolation systems.
• Four-pole main-switch applications.
• Low-voltage switchboards and distribution panels.
• Industrial machinery and process equipment.
• Motor and heavy-load switching applications.
• Commercial and industrial electrical installations.