OTL45BA4M ABB 45 A 4-Pole 400 V AC 22 kW Steel Enclosed Safety Switch

Why Choose the ABB OTL45BA4M 45 A 4-Pole Safety Switch?

The ABB OTL45BA4M, order code 1SCA022562R5500, is a robust 45 A 4-pole enclosed safety switch designed for dependable local isolation of motors, machinery and industrial electrical equipment. Rated for 400 V AC AC-23 duty with a motor switching capability of 22 kW, it provides a practical isolation solution for demanding commercial and industrial installations.

The OTL45BA4M is housed in a durable sheet-steel enclosure with an IP65 protection rating. It is supplied with a red-yellow selector-type ON-OFF handle featuring cover interlocking and a defeatable interlock function, helping provide clear switch status and controlled access during maintenance and servicing.

Its 4-pole configuration enables simultaneous switching of four conductors, while the enclosure includes N and PE terminals as standard. Top and bottom cable-entry positions with factory-prepared knock-outs provide installation flexibility, making the OTL45BA4M particularly suitable for local motor isolation, machinery disconnects and industrial distribution applications.

Key Advantages

• Industrial 45 A 4-pole safety switch for dependable local isolation.
• 22 kW AC-23 motor switching capability at 400 V AC.
• Robust sheet-steel enclosure for industrial environments.
• IP65 protection rating against dust and water jets.
• Red-yellow selector handle provides clear ON-OFF indication.
• Handle incorporates cover interlocking and a defeatable interlock function.
• 4-pole switching supports applications requiring simultaneous isolation of four conductors.
• N and PE terminals are included as standard.
• Top and bottom cable entries simplify installation and cable routing.

Key Features

• ABB OTL enclosed switch-disconnector range.
• 45 A AC-23A operational current at 380–415 V AC.
• 4-pole switching configuration.
• 22 kW motor switching capability at 400 V AC.
• 63 A AC-22A operational current at 415 V AC.
• Sheet-steel protective enclosure.
• IP65 enclosure protection.
• Red-yellow selector-type operating handle.
• I-O / ON-OFF position indication.
• Cover-interlocked operating handle.
• Defeatable interlock function for authorised servicing.
• N and PE terminals supplied as standard.
• No auxiliary contacts fitted as standard.
• Supports up to 2 NO + 1 NC auxiliary contacts.
• Cable entries provided at both the top and bottom of the enclosure.

Four-Pole Safety Isolation for Motors and Industrial Equipment

A 4-pole safety switch enables four electrical conductors to be switched simultaneously from one operating mechanism. This makes the ABB OTL45BA4M suitable for installations where complete multi-pole isolation is required for machinery, motors or electrical distribution equipment during servicing and maintenance.

The combination of a 45 A AC-23A rating, 22 kW motor switching capability at 400 V AC and IP65 steel enclosure makes the OTL45BA4M particularly well suited to industrial local-isolation duties. Its red-yellow interlocked handle provides highly visible manual control, while the compact 200 × 150 × 100 mm enclosure facilitates installation close to the equipment being isolated.

Typical Applications

• Local isolation of industrial machinery.
• Motors rated up to 22 kW at 400 V AC under AC-23 duty.
• Pumps, fans and ventilation systems.
• Conveyors and materials-handling equipment.
• Production and processing machinery.
• Industrial control and automation systems.
• Building-services and HVAC equipment.
• Four-pole maintenance isolation points in industrial electrical installations.