1SDA066620R1 ABB Tmax XT1-XT4 Ronis Equal-Fellow Type C Key Lock

1SDA066620R1 ABB Tmax XT1-XT4 Ronis Equal-Fellow Type C Key Lock

ABB 1SDA066620R1 is a Ronis equal-fellow Type C key lock designed to secure compatible Tmax XT1, XT2, XT3 and XT4 circuit-breaker operating mechanisms in the open position.

SKU: 1SDA066620R1MPN: 1SDA066620R1
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Why Choose the ABB 1SDA066620R1 Ronis Key Lock?

The ABB 1SDA066620R1 is a Ronis key lock accessory for Tmax XT moulded-case circuit breakers, designed to provide secure locking of compatible circuit-breaker operating mechanisms. As part of the ABB Tmax XT mechanical accessory range, it is suitable for XT1, XT2, XT3 and XT4 circuit-breaker frames and is designed for use with rotary handle operating mechanisms and front-panel operating arrangements.

This RHL key lock uses an equal-fellow Type C key configuration, meaning compatible Type C locks can use the same key arrangement. The mechanism is designed to lock the associated operating mechanism in the open position, supporting controlled electrical isolation and helping prevent unauthorised or unintended circuit-breaker operation.

The 1SDA066620R1 is designed for ABB Tmax XT1, XT2, XT3 and XT4 circuit breakers and can be used with compatible rotary handle and front-panel operating mechanisms. Its Ronis locking system makes it particularly useful in switchboards containing multiple circuit breakers where coordinated key-controlled access and isolation are required.

Key Advantages

  • Genuine ABB Tmax XT mechanical locking accessory.
  • Ronis key lock for secure circuit-breaker operating control.
  • Equal-fellow Type C key configuration for coordinated keying between compatible locks.
  • Locks the associated operating mechanism in the open position.
  • Compatible with ABB Tmax XT1, XT2, XT3 and XT4 circuit breakers.
  • Suitable for compatible rotary handle and front-panel operating mechanisms.
  • Supports controlled isolation and helps prevent unintended circuit-breaker operation.

Key Features

  • ABB Tmax XT RHL key lock accessory.
  • Ronis locking mechanism.
  • Equal-fellow Type C key arrangement.
  • Designed for locking in the open position.
  • Compatible with XT1, XT2, XT3 and XT4 frame sizes.
  • Suitable for compatible rotary handle operating mechanisms.
  • Suitable for compatible front-panel operating arrangements between multiple circuit breakers.
  • Mechanical accessory for low-voltage circuit-breaker installations.

Secure Key-Controlled Circuit-Breaker Isolation

Key locking accessories provide a controlled mechanical method of restricting circuit-breaker operation. By locking the associated operating mechanism in the open position, the ABB 1SDA066620R1 can support electrical isolation procedures and help prevent unintended operation while equipment or downstream circuits are being maintained.

The equal-fellow Type C Ronis configuration is particularly useful where several compatible locks need to operate with the same key arrangement. Combined with compatibility across Tmax XT1 through XT4 frame sizes, this provides a practical locking solution for switchboards containing multiple ABB Tmax XT circuit breakers.

Typical Applications

  • ABB Tmax XT1 circuit-breaker installations.
  • ABB Tmax XT2 circuit-breaker installations.
  • ABB Tmax XT3 circuit-breaker installations.
  • ABB Tmax XT4 circuit-breaker installations.
  • Rotary handle operating mechanisms.
  • Low-voltage switchboards and distribution panels.
  • Electrical maintenance and isolation procedures.
  • Multi-breaker installations requiring equal-key Type C locking.

Technical Specifications

Series Tmax XT
Model / order code 1SDA066620R1
Product designation RHL XT1..XT4 KEY LOCK RONIS EQ. FEL. C
Product type Circuit-breaker key lock
Accessory type Key lock for rotary handle
Lock system Ronis
Key configuration Equal-fellow Type C
Locking position Open
Compatible frame sizes XT1, XT2, XT3 and XT4
Compatible operating mechanisms Rotary handle / compatible front-panel mechanism
Product main type Mechanical accessory
Standards IEC 60947-2, UL 489
GTIN / EAN 8015644005320
Net weight 0.1 kg
Package dimensions (W × H × D) 150 × 20 × 200 mm
Package gross weight 0.1 kg

Frequently Asked Questions

What is the ABB 1SDA066620R1 used for?

The ABB 1SDA066620R1 is a Ronis key lock used to secure compatible Tmax XT circuit-breaker operating mechanisms in the open position.

Which ABB circuit breakers are compatible with 1SDA066620R1?

The key lock is designed for ABB Tmax XT1, XT2, XT3 and XT4 circuit-breaker frames.

What does equal-fellow Type C mean?

Equal-fellow Type C identifies a common Ronis key configuration, allowing compatible Type C locks to use the same key arrangement where coordinated locking is required.

Which position does the ABB 1SDA066620R1 lock?

The 1SDA066620R1 is designed to lock the associated circuit-breaker operating mechanism in the open position.

What operating mechanisms can the ABB 1SDA066620R1 be used with?

The accessory is designed for compatible rotary handle operating mechanisms and front-panel operating arrangements used with ABB Tmax XT1 through XT4 circuit breakers.

Trusted ABB Circuit-Breaker Locking

ABB Tmax XT Ronis key-locking accessories provide purpose-designed mechanical control for compatible moulded-case circuit breakers, supporting secure isolation, coordinated key management and dependable operating control in low-voltage distribution systems.