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1SDA105219R1 ABB ROCOF Protection Software Option – Factory Fit Only
ABB 1SDA105219R1 is a factory-fit-only ROCOF protection software option providing Rate of Change of Frequency protection functionality for compatible ABB circuit-breaker protection configurations.
£830.19
Why Choose the ABB 1SDA105219R1 ROCOF Protection Software Option?
The ABB 1SDA105219R1 is a ROCOF protection software option supplied as a factory-fit-only configuration for compatible ABB circuit-breaker protection systems. Identified by ABB as SW ROCOF Prot. (FACTORY FIT ONLY), this option provides Rate of Change of Frequency protection functionality where specified as part of the original breaker configuration.
ROCOF protection monitors the rate at which system frequency changes, providing an additional protection function for electrical installations where rapid frequency variation can indicate abnormal network conditions. This functionality is particularly relevant to applications involving distributed generation, generators and power systems where frequency stability forms part of the protection strategy.
Because ABB specifies the 1SDA105219R1 as FACTORY FIT ONLY, it is intended to be selected and incorporated during manufacture of the compatible circuit breaker or protection configuration rather than treated as a conventional field-installable accessory. Correct specification at the ordering stage is therefore essential.
Key Advantages
- Genuine ABB ROCOF protection software option.
- Provides Rate of Change of Frequency protection functionality.
- Monitors rapid changes in electrical system frequency.
- Suitable for compatible applications requiring enhanced frequency-based protection.
- Factory-integrated as part of the specified ABB protection configuration.
- Supports protection strategies for distributed generation and other frequency-sensitive power systems.
Key Features
- ABB protection software.
- ROCOF protection function.
- ROCOF meaning: Rate of Change of Frequency.
- Designed to detect abnormal rates of system-frequency variation.
- Factory fit only.
- Not specified as a conventional field-installable hardware accessory.
- Intended for compatible ABB electronic protection configurations.
Rate of Change of Frequency Protection
ROCOF protection evaluates how quickly the frequency of an electrical system changes over time rather than relying solely on an absolute overfrequency or underfrequency threshold. A sufficiently rapid frequency change can indicate a significant imbalance or abnormal operating condition within the connected power system, allowing the protection system to respond according to its configured protection logic.
The ABB 1SDA105219R1 enables this functionality as a factory-configured software option within a compatible ABB protection system. As the option is explicitly designated factory fit only, it should be specified when ordering the associated breaker or protection configuration rather than assumed to be available as a later field retrofit.
Typical Applications
- Electrical systems requiring Rate of Change of Frequency protection.
- Distributed generation installations.
- Generator protection applications.
- Industrial power distribution systems with frequency-protection requirements.
- Power systems incorporating local generation sources.
- Protection schemes requiring monitoring of rapid frequency variation.
- Factory-configured ABB circuit-breaker protection solutions.
Technical Specifications
| Product group | T-Max XT 250 Range |
|---|---|
| Model / description | SW ROCOF Prot. (FACTORY FIT ONLY) |
| ABB order code | 1SDA105219R1 |
| Product type | Protection software option |
| Protection function | ROCOF |
| ROCOF | Rate of Change of Frequency |
| Measured parameter | Rate of system-frequency change |
| Installation / supply | Factory fit only |
| Configuration | Factory-installed software protection function |
Frequently Asked Questions
What is the ABB 1SDA105219R1?
The ABB 1SDA105219R1 is a ROCOF protection software option supplied as a factory-installed function for compatible ABB circuit-breaker protection configurations.
What does ROCOF mean?
ROCOF means Rate of Change of Frequency. It describes how rapidly the electrical system frequency changes over time.
What does the ABB ROCOF protection function monitor?
The function monitors the rate of change of electrical system frequency, allowing a compatible protection system to identify abnormal frequency-change conditions according to its configured settings.
Is ABB 1SDA105219R1 a field-installable accessory?
No. ABB explicitly specifies the 1SDA105219R1 as FACTORY FIT ONLY, meaning it is intended to be incorporated into the compatible protection configuration during manufacture.
Can ABB 1SDA105219R1 be ordered separately for installation later?
The product designation specifies factory fit only, so it should not be treated as a conventional field-retrofit accessory. Compatibility and availability should be established when specifying the associated ABB breaker and protection configuration.
Where is ROCOF protection typically useful?
ROCOF protection can be used in frequency-sensitive electrical systems, including distributed generation, generator and industrial power-distribution applications where rapid changes in network frequency form part of the required protection strategy.
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