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1SDA100281R1 ABB Ekip Touch LSI 250 A XT4 3-Pole Trip Unit
ABB 1SDA100281R1 Ekip Touch LSI 250 A electronic trip unit for 3-pole Tmax XT4 moulded case circuit breakers, providing configurable long-time, short-time and instantaneous protection for AC low-voltage distribution systems.
£999.32
Why Choose the ABB 1SDA100281R1 Ekip Touch LSI Trip Unit?
The ABB 1SDA100281R1 is an Ekip Touch LSI electronic trip unit designed for compatible ABB Tmax XT4 3-pole moulded case circuit breakers. Rated at 250 A, it provides configurable electronic overload and short-circuit protection for AC low-voltage electrical distribution systems.
The Ekip Touch platform combines advanced electronic protection with an intuitive interface and expandable digital functionality. Its LSI protection functions provide long-time overload, short-time short-circuit and instantaneous short-circuit protection, allowing protection characteristics to be coordinated with cables, feeders and downstream electrical equipment.
Designed as a separate electronic trip unit, the 1SDA100281R1 is intended to be combined with a compatible 3-pole ABB Tmax XT4 breaking part. Its long-time overload setting can be adjusted from 0.4–1 × In, equivalent to 100–250 A, while short-circuit protection is adjustable from 1–10 × In with time-delay capability.
Key Advantages
- 250 A Ekip Touch electronic trip unit for compatible ABB Tmax XT4 circuit breakers.
- LSI protection combines long-time, short-time and instantaneous protection functions.
- Long-time overload threshold adjustable from 0.4–1 × In, equivalent to 100–250 A.
- Short-circuit protection adjustable from 1–10 × In with time-delay capability.
- Electronic protection enables more precise circuit coordination than conventional fixed protection.
- Ekip Touch architecture supports advanced measurement, communication and digital functionality through compatible ABB accessories and modules.
- Modular design allows the trip unit to be combined with a compatible XT4 3-pole breaking part.
Key Features
- ABB Ekip Touch LSI electronic trip unit.
- 250 A rated current (In).
- Designed for the ABB Tmax XT4 circuit-breaker platform.
- 3-pole configuration.
- Long-time protection for sustained overload conditions.
- Short-time protection for configurable short-circuit response and coordination.
- Instantaneous protection against severe short-circuit faults.
- Electronic solid-state protection technology.
- Designed for AC electrical protection.
- Separate trip-unit format for combination with a compatible XT4 breaking part.
- Supports expandable functionality within the ABB Ekip ecosystem.
Advanced Electronic Protection with Ekip Touch
The ABB Ekip Touch platform provides configurable electronic protection for modern low-voltage distribution systems. Rather than relying on fixed protection characteristics, the trip unit allows key protection thresholds and timing characteristics to be coordinated with the electrical installation, supporting selective and dependable protection of cables, feeders and connected equipment.
With LSI functionality, the 1SDA100281R1 combines long-time protection against sustained overloads, short-time protection for coordinated short-circuit response and instantaneous protection against severe faults. Its modular design allows it to be combined with a compatible XT4 3-pole breaking part, while the Ekip Touch platform provides a foundation for compatible measurement, communication and digital functionality.
Typical Applications
- Industrial low-voltage distribution systems.
- Main and sub-distribution switchboards.
- Commercial building electrical distribution.
- Cable and feeder protection.
- Manufacturing and production equipment distribution.
- OEM switchgear and electrical distribution assemblies.
Technical Specifications
| Series | Tmax XT / Ekip Touch |
|---|---|
| Product range | T-Max XT 250 Range |
| Order code | 1SDA100281R1 |
| GTIN / EAN | 8056221003353 |
| Product type | Electronic trip unit / solid-state release |
| Compatible circuit breaker | ABB Tmax XT4 |
| Trip unit | Ekip Touch LSI |
| Release technology | Electronic solid-state release |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Rated current (In) | 250 A |
| Long-time protection adjustment | 0.4–1 × In |
| Long-time current adjustment range | 100–250 A |
| Short-circuit protection adjustment | 1–10 × In |
| Current type | AC |
| Number of poles | 3 |
| Configuration | Separate / configurable trip unit |
| Standard | IEC |
| Dimensions (L × W × H) | 150 × 110 × 100 mm |
| Net weight | 1 kg |
Frequently Asked Questions
What is the ABB 1SDA100281R1?
The ABB 1SDA100281R1 is an Ekip Touch LSI electronic trip unit rated at 250 A and designed for compatible 3-pole ABB Tmax XT4 moulded case circuit breakers.
What is the rated current of the ABB 1SDA100281R1?
The Ekip Touch LSI trip unit has a rated current of 250 A, with its long-time overload threshold adjustable from 100–250 A.
What does LSI mean on the ABB Ekip Touch trip unit?
LSI refers to long-time, short-time and instantaneous protection, providing configurable electronic protection against sustained overloads and different levels of short-circuit current.
Which circuit breaker is the ABB 1SDA100281R1 designed for?
The 1SDA100281R1 is designed for a compatible 3-pole ABB Tmax XT4 circuit breaker and is combined with an appropriate XT4 breaking part to form the required circuit-breaker assembly.
Are the protection settings on the ABB 1SDA100281R1 adjustable?
Yes. The Ekip Touch LSI provides configurable protection settings, including long-time overload adjustment from 0.4–1 × In and short-circuit adjustment from 1–10 × In, allowing protection to be coordinated with the requirements of the electrical installation.
Trusted ABB Circuit Protection Technology
ABB Ekip Touch trip units combine configurable electronic protection, intuitive operation and expandable digital capabilities with the compact Tmax XT platform, providing flexible circuit protection for industrial, commercial and OEM low-voltage electrical distribution systems.
