1SDA058276R1 ABB Ronis Key Lock in Open Position for SACE Emax E1-E6

Why Choose the ABB 1SDA058276R1 Ronis Key Lock?

The ABB 1SDA058276R1 is a Ronis key-lock provision for locking a SACE Emax air circuit breaker in the open position. Part of the ABB New Emax accessory range, it provides a mechanical interlocking solution for applications where the breaker must be secured against closing during isolation, servicing or controlled operating procedures.

Designed for compatible ABB SACE Emax E1, E2, E3, E4 and E6 circuit breakers, the accessory is identified by ABB as a KLC-R provision for Ronis key locking. Locking the breaker in the open position helps support controlled electrical isolation by preventing normal breaker closing while the key-lock arrangement is engaged.

ABB order code 1SDA058276R1 identifies the KEY LOCK RONIS IN OPEN POS. E1/6 new accessory. It is supplied as a loose or configurable New Emax accessory and is intended for use with the appropriate Ronis locking arrangement and compatible Emax installation components.

Key Advantages

• Provides a Ronis key-lock provision for the circuit breaker open position.
• Helps prevent unintended closing of a compatible breaker during isolation or maintenance.
• Suitable for SACE Emax E1, E2, E3, E4 and E6 circuit breaker frames.
• Supports controlled operating and mechanical interlocking procedures within low-voltage switchgear.
• Genuine ABB SACE New Emax accessory designed for compatible breaker installations.
• Loose or configurable format supports installation as part of the required Emax locking arrangement.

Key Features

• ABB SACE New Emax mechanical locking accessory.
• Ronis key-lock provision.
• Designed to secure a compatible circuit breaker in the open position.
• ABB accessory designation: KLC-R.
• Suitable for E1, E2, E3, E4 and E6 Emax circuit breaker frames.
• Suitable product class: SACE Emax.
• Loose or configurable configuration type.
• Designed for applications to IEC standards.
• Suitable for maintenance isolation and controlled breaker operating procedures.

Controlled Mechanical Locking for Circuit Breaker Isolation

Key-lock accessories provide a mechanical means of controlling circuit breaker operation. By securing a compatible SACE Emax breaker in the open position, the locking arrangement can help prevent normal closing while equipment is isolated for servicing, inspection or other authorised procedures.

The ABB 1SDA058276R1 provides the Ronis key-lock provision for compatible Emax E1, E2, E3, E4 and E6 breakers. It can form part of a coordinated switchgear locking arrangement where controlled access and defined breaker operating sequences are required.

Typical Applications

• Open-position locking of compatible ABB SACE Emax air circuit breakers.
• Industrial low-voltage switchboards and switchgear assemblies.
• Maintenance and servicing isolation arrangements.
• Main incomer and feeder circuit breaker installations.
• Bus-coupler and bus-section breaker applications.
• Controlled switching and mechanical interlocking schemes.