OT2500EP04P ABB 2500A 4-Pole Earthing Switch

Why Choose the ABB OT2500EP04P 2500A 4-Pole Earthing Switch?

The ABB OT2500EP04P is a heavy-duty 2500 A four-pole earthing switch designed for dependable earthing and isolation functions in high-current industrial electrical systems. As part of the ABB OT switch range, this EP configuration is a front-operated, base-mounted IEC earthing switch engineered for integration into substantial low-voltage switchboards and power-distribution assemblies.

The OT2500EP04P provides four-pole operation and is supplied as standard with a terminal bolt kit, black OFF/earth-position plastic operating handle and shaft. The operating handle can be padlocked in both the OFF and earth positions, helping provide controlled operation during isolation, maintenance and earthing procedures.

Designed for demanding high-current installations, the OT2500EP04P has a rated short-time withstand current of 55 kA for 1 s and 80 kA for 0.25 s, together with a rated short-circuit making capacity of 176 kA peak. This robust electrical performance makes it suitable for industrial systems requiring a dedicated high-capacity earthing switch.

Key Advantages

• Heavy-duty 2500 A four-pole earthing switch for high-current electrical systems.
• Front-operated, base-mounted EP configuration for industrial switchboard integration.
• High short-time withstand capability of 55 kA for 1 s.
• 176 kA peak short-circuit making capacity for demanding earthing duties.
• Supplied with terminal bolt kit, black operating handle and shaft.
• Handle is padlockable in both OFF and earth positions for controlled operation.

Key Features

• ABB OT earthing switch range.
• 2500 A current class.
• 4-pole configuration.
• Dedicated earthing switch design.
• 55 kA rated short-time withstand current for 1 s.
• 80 kA rated short-time withstand current for 0.25 s.
• 176 kA peak rated short-circuit making capacity.
• Front-operated mechanism.
• Base-mounted EP configuration.
• Black OFF/earth-position plastic handle and shaft supplied as standard.
• Handle padlockable in OFF and earth positions.
• Terminal bolt kit included.

Reliable Earthing for High-Current Electrical Systems

Earthing switches are used to establish a deliberate connection to earth as part of electrical isolation and maintenance procedures. In high-current switchboards and industrial distribution systems, a purpose-designed earthing switch provides a robust means of implementing the earthing function required by the installation's operating and safety procedures.

The ABB OT2500EP04P combines four-pole operation with 55 kA short-time withstand capability and 176 kA peak making capacity. Its front-operated, base-mounted construction and included handle, shaft and terminal hardware make it particularly suited to large industrial switchboards requiring a dedicated high-current earthing switching arrangement.

Typical Applications

• High-current industrial switchboard earthing systems.
• Low-voltage power distribution assemblies.
• Electrical isolation and maintenance earthing arrangements.
• Industrial plant and process power systems.
• Large manufacturing facility distribution systems.
• High-current electrical infrastructure and switchgear assemblies.