1SDA054926R1 ABB RHD T4-T5 Direct Rotary Handle for Tmax T4-T5

The ABB RHD T4-T5 F/P STAND. DIRECT (article 1SDA054926R1) is a standard direct rotary handle operating mechanism for ABB Tmax T4 and T5 circuit breakers installed in fixed or plug-in configurations. It allows the circuit breaker to be operated manually from outside the enclosure via a panel-door-mounted handle. An integrated padlock device enables the handle to be secured in the OFF position, supporting isolation and lockout procedures.

Technical specifications:

• Series: RHD T4-T5 F/P STAND. DIRECT
• ABB article number: 1SDA054926R1
• EAN: 8015644557089
• Type: Rotary handle operating mechanism, standard direct
• Compatible circuit breaker frames: T4 and T5 (Tmax series)
• Circuit breaker mounting compatibility: Fixed and plug-in
• Padlock device: Integrated, included

Features and benefits:

• Permits manual switching of T4 and T5 circuit breakers from outside the enclosure, keeping the door closed during operation
• Integrated padlock device secures the handle in the OFF position for lockout and isolation
• Covers both fixed and plug-in T4/T5 breaker installations with a single accessory variant
• Standard direct drive provides a direct mechanical link between the external handle and the circuit breaker

Applications:

• Industrial switchgear and control panels housing ABB Tmax T4 or T5 circuit breakers requiring door-mounted operation
• Machinery enclosures where lockout/tagout compliance is required for maintenance isolation
• Distribution boards with T4 or T5 breakers in fixed or plug-in mounting arrangements
• Installations where safe external operation without opening the enclosure door is required

Also known as: ABB RHD T4-T5 F/P STAND. DIRECT, 1SDA054926R1, ABB Tmax T4 T5 rotary handle, ABB circuit breaker door handle with padlock, ABB T4 T5 operating mechanism.