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1SDA066603R1 ABB KLC XT2-XT4 Ronis Type D Open-Position Key Lock

1SDA066603R1 ABB KLC XT2-XT4 Ronis Type D Open-Position Key Lock

ABB 1SDA066603R1 KLC is a Ronis same Type D key lock for SACE Tmax XT2 and XT4 circuit breakers, designed for open-position locking with the key removable in the open position.

SKU: 1SDA066603R1MPN: 1SDA066603R1
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Manufacturer Lead Time

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Why Choose the ABB KLC XT2-XT4 Ronis Type D Key Lock 1SDA066603R1?

The ABB 1SDA066603R1 KLC XT2-XT4 is a Ronis key-lock accessory designed for ABB SACE Tmax XT2 and XT4 moulded case circuit breakers. It provides mechanical locking of the circuit breaker in the open position, supporting controlled electrical isolation and helping prevent unintended breaker operation during maintenance, servicing and authorised switching procedures.

As part of the ABB SACE Tmax XT mechanical accessory range, this KLC version uses a same Type D key configuration. The key is removable when the circuit breaker is in the open position, providing a controlled locking arrangement suitable for installations where compatible breakers are required to use matching Type D keys.

The 1SDA066603R1 is specifically designed for Tmax XT2 and XT4 circuit breakers and mounts directly on the circuit breaker. Its dedicated Ronis locking mechanism provides a manufacturer-matched solution for low-voltage switchboards, distribution panels and industrial systems requiring secure key-controlled breaker isolation.

Key Advantages

  • Provides key-controlled locking of the circuit breaker in the open position.
  • Designed specifically for ABB SACE Tmax XT2 and XT4 circuit breakers.
  • Uses a Ronis same Type D key configuration.
  • Key is removable in the open position.
  • Helps prevent unintended breaker operation during maintenance and isolation procedures.
  • Genuine ABB mechanical accessory engineered for integration with the Tmax XT platform.

Key Features

  • ABB SACE Tmax XT KLC key lock.
  • Ronis key-lock mechanism.
  • Same Type D keys.
  • Designed for locking the circuit breaker in the open position.
  • Key removable when the breaker is in the open position.
  • Compatible with XT2 and XT4 circuit-breaker frames.
  • Designed for mounting directly on the circuit breaker.
  • ABB order code 1SDA066603R1.

Reliable Key-Controlled Circuit Breaker Isolation

Key-locking accessories provide a mechanical method of controlling circuit-breaker operation when electrical equipment needs to remain isolated. By locking a compatible Tmax XT breaker in the open position and allowing the key to be withdrawn only in that state, the KLC system supports controlled maintenance, operational interlocking and authorised-access procedures.

The ABB KLC 1SDA066603R1 uses a Ronis same Type D key arrangement and is engineered specifically for SACE Tmax XT2 and XT4 circuit breakers. The matching key configuration makes this version suitable for installations where multiple compatible locking points are intended to operate with the same Type D key profile.

Typical Applications

  • Low-voltage electrical distribution switchboards.
  • ABB SACE Tmax XT2 and XT4 circuit-breaker installations.
  • Electrical maintenance and isolation systems.
  • Industrial control and power distribution panels.
  • Key-controlled switchgear operating procedures.
  • Installations requiring coordinated Ronis Type D locking arrangements.

Technical Specifications

Series SACE Tmax XT
Product type Circuit breaker key lock
ABB order code 1SDA066603R1
Accessory designation KLC
Product main type Mechanical accessory
Accessory type Key lock
Lock type Ronis
Key configuration Same Type D keys
Locking position Open
Key removal position Open position
Compatible frame sizes XT2, XT4
Installation On circuit breaker
Standard IEC 60947-2
EAN 8015644693503

Frequently Asked Questions

What is the ABB 1SDA066603R1 used for?

The ABB 1SDA066603R1 is a Ronis key-lock accessory used to secure compatible SACE Tmax XT2 and XT4 circuit breakers in the open position.

Which ABB circuit breakers are compatible with the 1SDA066603R1?

The KLC key lock is designed for ABB SACE Tmax XT2 and XT4 moulded case circuit breakers.

What key configuration does the ABB 1SDA066603R1 use?

This version uses a Ronis same Type D key configuration, allowing compatible locks to use the corresponding matching Type D key.

When can the key be removed from the ABB KLC 1SDA066603R1?

The key is designed to be removable when the circuit breaker is in the open position.

Where is the ABB KLC XT2-XT4 key lock installed?

The KLC is designed for installation directly on a compatible XT2 or XT4 circuit breaker, providing mechanical key-controlled locking as part of the breaker assembly.

Trusted by Electrical Professionals Worldwide

ABB SACE Tmax XT circuit breakers and dedicated mechanical locking accessories are widely used in industrial and commercial low-voltage distribution systems, providing coordinated solutions for circuit protection, switching, controlled isolation and secure breaker operation.