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1SDA105231R1 ABB ROCOF Protection Software Package for Emax 2
ABB 1SDA105231R1 is a ROCOF protection software package for compatible SACE Emax 2 circuit breakers, providing configurable ANSI 81R rate-of-change-of-frequency protection through the Ekip protection system.
£1,235.61
Why Choose the ABB 1SDA105231R1 ROCOF Protection Software Package?
The ABB 1SDA105231R1 is a ROCOF (Rate of Change of Frequency) protection software package for ABB SACE Emax 2 air circuit breakers. Designed to extend compatible Ekip electronic trip units with dedicated frequency-rate protection, the package provides an additional protection function for electrical networks where rapid changes in system frequency must be detected.
ROCOF protection monitors the rate at which electrical system frequency changes and can initiate a trip when the measured frequency variation exceeds the configured threshold for the specified operating time. This functionality is identified by ANSI protection code 81R and is particularly relevant to power systems where rapid frequency disturbances can indicate abnormal network conditions, generation imbalance or loss of mains.
The 1SDA105231R1 package is specifically identified by ABB as ROCOF Protection for Emax 2. For factory-configured applications, the software functionality is specified with the compatible Emax 2 circuit breaker and Ekip trip unit, adding advanced frequency protection without requiring a separate conventional protection relay for the ROCOF function.
Key Advantages
- Adds dedicated ROCOF protection to compatible ABB Emax 2 electronic trip units.
- Detects rapid changes in electrical system frequency.
- Provides the recognised ANSI 81R protection function.
- Supports configurable protection behaviour for demanding power-distribution applications.
- ROCOF operation can respond to both positive and negative frequency variations.
- Integrates the protection function directly into the Emax 2 protection architecture.
- Software-based functionality avoids the need for an additional standalone ROCOF protection device in suitable applications.
Key Features
- ABB software package for SACE Emax 2.
- ROCOF (Rate of Change of Frequency) protection.
- ANSI 81R protection function.
- Designed to detect rapid frequency variations.
- Configurable frequency-rate protection threshold.
- Configurable protection operating time.
- Supports management of positive and negative frequency variations.
- ROCOF Trip Enable functionality.
- ROCOF Trip Direction functionality.
- ROCOF Block functionality.
- Suitable for compatible Emax 2 E1.2, E2.2, E4.2 and E6.2 circuit breakers.
- Part of ABB's software-function package range for Ekip electronic trip units.
Advanced Frequency Protection for Electrical Power Systems
ROCOF protection evaluates how quickly system frequency changes rather than responding only to an absolute overfrequency or underfrequency threshold. When the frequency variation exceeds the configured ROCOF threshold for longer than the selected operating time, the protection can issue a trip command through the compatible Ekip protection system.
This functionality can help identify rapidly developing disturbances in generation and distribution networks, including conditions associated with sudden generation-load imbalance or separation from the main electrical network. Integrating ROCOF protection within the ABB Emax 2 and Ekip architecture provides advanced network protection directly through the circuit-breaker protection system.
Typical Applications
- ABB SACE Emax 2 circuit-breaker protection systems.
- Generator and distributed-generation installations.
- Industrial power distribution networks.
- Microgrids and local generation systems.
- Power systems requiring rapid frequency-change detection.
- Loss-of-mains and network-disturbance protection schemes.
- Electrical installations requiring ANSI 81R protection functionality.
Technical Specifications
| Order code | 1SDA105231R1 |
|---|---|
| Product name | ROCOF Protection for Emax 2 |
| Product type | Software protection package |
| Product main type | SW Packages for Emax 2 |
| Protection function | Rate of Change of Frequency (ROCOF) |
| ANSI protection code | 81R |
| ROCOF threshold range | 0.4–10 Hz/s |
| ROCOF threshold adjustment step | 0.2 Hz/s |
| Operating-time range | 0.06–300 s |
| Operating-time adjustment step | 0.01 s |
| Suitable circuit-breaker frames | E1.2, E2.2, E4.2 and E6.2 |
| Suitable product class | SACE Emax 2 |
| Configuration type | Loose or configurable |
| EAN | 8015644073237 |
| Minimum order quantity | 1 piece |
| ABB product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA105231R1?
The ABB 1SDA105231R1 is a ROCOF protection software package for compatible ABB SACE Emax 2 circuit breakers and Ekip electronic trip units.
What does ROCOF protection do?
ROCOF protection monitors the rate of change of electrical system frequency and can initiate a trip when the frequency changes faster than the configured threshold for the selected operating time.
What ANSI protection code is associated with ROCOF?
ROCOF protection is identified by ANSI device function 81R.
What ROCOF threshold range is available?
The ROCOF protection threshold can be configured from 0.4–10 Hz/s, with adjustment in 0.2 Hz/s steps.
What operating-time range does the ROCOF function provide?
The ROCOF operating time can be configured from 0.06–300 s, with an adjustment step of 0.01 s.
Which ABB circuit breakers are suitable for the 1SDA105231R1 package?
ABB identifies this ROCOF software package for compatible SACE Emax 2 E1.2, E2.2, E4.2 and E6.2 circuit breakers.
Can the ROCOF protection respond to increasing and decreasing frequency?
Yes. The ROCOF protection functionality can manage positive and negative rates of frequency change, with its behaviour configured through the compatible Ekip protection system.
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ABB SACE Emax 2 protection technologies combine circuit-breaker functionality with advanced electronic protection and monitoring capabilities, supporting reliable power distribution in industrial, commercial, infrastructure and generation applications.
