1SCA022568R0780 ABB 125A 3-Pole Stainless Steel Enclosed Switch Disconnector

Why Choose the ABB OTR125B3B 125A 3-Pole Stainless Steel Enclosed Switch Disconnector?

The ABB OTR125B3B, order code 1SCA022568R0780, is a robust 125 A three-pole stainless steel enclosed switch disconnector designed for dependable load breaking and electrical isolation of industrial machinery, motors and electrical equipment. As part of ABB's Metal Enclosed (Loadbreak) product group, it combines ABB switch-disconnector technology with a durable stainless steel enclosure for demanding industrial installations.

The OTR125B3B is supplied with a black pistol-type operating handle featuring I-O / ON-OFF indication. The handle incorporates cover interlocking and a defeatable interlock function, while neutral and PE terminals are included as standard. Its stainless steel enclosure provides IP65 protection for robust enclosed switching applications.

Rated at 125 A AC-22A at 415 V, the OTR125B3B provides an AC-23A operational current of 90 A and motor rating of 45 kW at 415 V. At 690 V AC-23A, ABB specifies 50 A / 45 kW. The enclosure uses B-flange cable outlets at the top and bottom and measures 300 × 200 × 135 mm.

Key Advantages

• Robust 125 A three-pole stainless steel enclosed switch disconnector.
• 125 A AC-22A rating at 415 V for industrial load switching.
• 90 A / 45 kW AC-23A capability at 415 V for substantial motor loads.
• IP65 stainless steel enclosure provides durable environmental protection.
• Black pistol-type handle with clear I-O / ON-OFF indication.
• Cover interlock with defeatable interlock function supports controlled access.
• Neutral and PE terminals are included as standard.
• B-flange cable outlets at the top and bottom provide a practical industrial cable-entry arrangement.

Key Features

• ABB OTR stainless steel enclosed switch-disconnector range.
• 125 A rated current.
• Three-pole switching configuration.
• 125 A AC-22A at 415 V.
• 90 A AC-23A at 415 V.
• 45 kW motor rating at 415 V AC-23A.
• 50 A AC-23A at 690 V.
• 45 kW motor rating at 690 V AC-23A.
• IP65 stainless steel enclosure.
• Black pistol-type handle with I-O / ON-OFF indication.
• No auxiliary contacts included as standard.
• Provision for up to 1 NO + 2 NC auxiliary contacts.
• Neutral and PE terminals included.
• B-flange cable outlets at the top and bottom.

High-Capacity Stainless Steel Isolation for Industrial Equipment

Stainless steel enclosed switch disconnectors such as the ABB OTR125B3B provide a clearly identifiable means of manually disconnecting industrial equipment from its electrical supply. Its three-pole configuration is designed for three-phase circuits, while the 125 A AC-22A rating and 90 A AC-23A capability at 415 V make it suitable for substantial machinery and motor loads.

The OTR125B3B combines ABB load-break switching technology with an IP65 stainless steel enclosure and a black pistol-type operating handle. Its neutral and PE terminals, interlocking arrangement and top-and-bottom B-flange cable outlets provide a practical enclosed isolation solution where robust construction and high-current switching capability are required.

Typical Applications

• Three-phase industrial motor isolation.
• Production and processing machinery.
• Food and beverage processing equipment.
• Water and wastewater installations.
• Pumps, fans and ventilation equipment.
• Conveyors and material handling systems.
• Industrial control and automation installations.
• Local maintenance and electrical isolation points.