1SDA054904R1 ABB MOL-D T4-T5 Motor Operator Key Lock

1SDA054904R1 ABB MOL-D T4-T5 Motor Operator Key Lock

ABB 1SDA054904R1 is an MOL-D key lock accessory designed to provide mechanical locking of the motor operating mechanism on compatible ABB SACE Tmax T4 and T5 circuit breakers.

SKU: 1SDA054904R1Alt SKU: T4-T5 MOT OPMPN: 1SDA054904R1
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List Price £137.29 ex VAT
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Manufacturer Lead Time Estimated Delivery 10 weeks
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Manufacturer Lead Time

£102.97

Why Choose the ABB 1SDA054904R1 MOL-D Key Lock?

The ABB 1SDA054904R1 is an MOL-D key lock accessory designed for the motor operating mechanism of compatible ABB SACE Tmax T4 and T5 moulded case circuit breakers. Identified by ABB as MOL-D T4-T5 >KEY LOCK SEV., it provides a mechanical locking function for applications where controlled access to motor-operated breaker operation is required.

As part of the ABB SACE Tmax T accessory range, the MOL-D lock helps prevent unauthorised or unintended operation of the associated motor operator. Key-operated locking is particularly useful in industrial switchboards and distribution systems where operating procedures, maintenance activities or electrical safety practices require the breaker operating mechanism to be secured.

The 1SDA054904R1 is specifically intended for Tmax T4 and T5 motor-operated circuit breaker configurations. Its dedicated ABB design ensures compatibility with the corresponding motor operating mechanism while providing a practical means of controlling access to breaker operation.

Key Advantages

  • Genuine ABB SACE Tmax motor-operator locking accessory.
  • Provides key-operated mechanical locking of the associated operating mechanism.
  • Designed for ABB Tmax T4 and T5 circuit breaker applications.
  • Helps prevent unauthorised or unintended breaker operation.
  • Supports controlled maintenance and operational procedures.
  • Dedicated ABB accessory for compatible motor-operated Tmax installations.

Key Features

  • ABB SACE Tmax T accessory.
  • MOL-D key lock configuration.
  • Designed for the motor operating mechanism.
  • Compatible with Tmax T4 and T5 circuit breakers.
  • Mechanical key-locking function.
  • Suitable for restricting operation of motor-operated breaker assemblies.
  • Manufacturer-engineered for compatible ABB Tmax equipment.

Controlled Access for Tmax T4 and T5 Motor Operation

Mechanical key locks provide a straightforward means of restricting circuit breaker operation to authorised personnel. When incorporated into a motor-operated breaker assembly, the locking accessory can support operational control and maintenance procedures by preventing the associated mechanism from being operated when it must remain secured.

The ABB 1SDA054904R1 provides this locking functionality for compatible Tmax T4 and T5 motor-operated circuit breaker arrangements. Its dedicated MOL-D design makes it suitable for industrial installations where controlled breaker access forms part of the switchboard operating or safety procedure.

Typical Applications

  • ABB Tmax T4 and T5 motor-operated circuit breakers.
  • Industrial low-voltage switchboards.
  • Power distribution panels requiring controlled breaker access.
  • Maintenance and isolation procedures.
  • Machine and process control installations.
  • Electrical systems requiring key-controlled operating mechanisms.

Technical Specifications

Series SACE Tmax T
Product group 310511-T-Max T4 - T8
Model / designation MOL-D T4-T5 >KEY LOCK SEV.
Order code 1SDA054904R1
Product type Key lock accessory
Lock designation MOL-D
Compatible circuit breakers Tmax T4 and T5
Application Motor operating mechanism
Locking method Key operated
Function Mechanical locking of circuit breaker motor operation

Frequently Asked Questions

What is the ABB 1SDA054904R1 used for?

It is an MOL-D key lock accessory used to provide mechanical locking of the motor operating mechanism on compatible ABB SACE Tmax T4 and T5 circuit breakers.

Which ABB circuit breakers are compatible with the 1SDA054904R1?

The accessory is designed for compatible ABB SACE Tmax T4 and T5 motor-operated circuit breaker configurations.

What does MOL-D refer to?

MOL-D identifies the ABB key-locking accessory for the motor operating mechanism used with compatible Tmax T4 and T5 equipment.

What is the purpose of a motor-operator key lock?

The key lock provides a mechanical means of restricting operation of the associated motor mechanism, helping prevent unauthorised or unintended circuit breaker operation.

Where is the ABB 1SDA054904R1 typically used?

It is typically used in industrial switchboards, distribution panels and other installations where access to a motor-operated Tmax T4 or T5 circuit breaker needs to be controlled by key.

Trusted ABB Tmax Engineering

ABB SACE Tmax accessories provide coordinated operating, locking and control solutions for low-voltage circuit breakers, supporting secure and dependable operation in industrial switchboards and power-distribution systems.