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1sda055072r1 t4s 250 ma 25-350 3 pole abb mccb
ABB 1SDA055072R1 SACE Tmax T4S 25 A three-pole moulded case circuit breaker with MA magnetic-only release, fixed front terminals and adjustable short-circuit protection.
£787.79
Why Choose the ABB 1SDA055072R1 Tmax T4S Moulded Case Circuit Breaker?
The ABB 1SDA055072R1 is a dependable Tmax T4S moulded case circuit breaker (MCCB) engineered to provide reliable short-circuit protection for low voltage electrical distribution systems. As part of the trusted ABB SACE Tmax T series, this three-pole circuit breaker is designed for industrial, commercial and OEM applications where compact dimensions and dependable fault interruption are essential.
This MCCB is equipped with an MA magnetic-only release, providing adjustable instantaneous short-circuit protection where overload protection is supplied separately by external overload relays or coordinated motor protection devices. The fixed construction with front terminals enables quick installation into switchboards, distribution panels and machinery control cabinets.
With a 25 A rated current, a 250 A frame size and adjustable magnetic setting from 150 to 350 A, the ABB 1SDA055072R1 is ideal for protecting smaller motor circuits, feeder circuits and industrial electrical systems operating up to 690 V AC.
Key Advantages
- Reliable ABB SACE Tmax T4S moulded case circuit breaker.
- 25 A rated current with 250 A frame size.
- Three-pole fixed design for compact panel installation.
- MA magnetic-only release for adjustable short-circuit protection.
- 50 kA breaking capacity at 400 V AC.
- Front terminal connections simplify switchboard wiring.
Key Features
- ABB SACE Tmax T series.
- T4S 250 frame size.
- 25 A rated current.
- Three-pole MCCB configuration.
- MA magnetic-only release.
- Adjustable magnetic setting from 150 to 350 A.
- Fixed version with front terminal connections.
- Designed for industrial low voltage protection systems.
Reliable Short-Circuit Protection for Industrial Systems
The ABB Tmax T4S range is designed to interrupt short-circuit faults rapidly, helping minimise equipment damage while maintaining reliable electrical system operation. Magnetic-only circuit breakers are widely used where thermal overload protection is provided separately, making them ideal for coordinated motor protection systems.
Its compact construction, adjustable magnetic release and proven ABB engineering make the ABB 1SDA055072R1 an excellent choice for panel builders, electrical contractors and OEM machine manufacturers requiring dependable low voltage protection.
Typical Applications
- Industrial low voltage power distribution.
- Small motor circuit protection with separate overload relays.
- Electrical switchboards and distribution panels.
- Motor control centres.
- OEM machinery and automation systems.
- Feeder and short-circuit protection applications.
Technical Specifications
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| Current | 25 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 50 kA | |
| Trip Unit | Magnetic only | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4S 250 MA 25-350 3P F F | |
| Product code | 1SDA055072R1 | |
| Product type | Moulded Case Circuit Breaker | |
| Rated current (In) | 25 A | |
| Rated uninterrupted current (Iu) | 250 A | |
| Number of poles | 3 | |
| Trip unit | MA magnetic-only release | |
| Magnetic adjustment range | 150-350 A | |
| Rated operational voltage | 690 V AC / 750 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated ultimate breaking capacity (Icu) | 50 kA at 400 V AC | |
| Rated service breaking capacity (Ics) | 50 kA at 400 V AC | |
| Terminal type | Fixed front terminals | |
| Standards | IEC 60947 | |
| Dimensions (H × W × D) | 205 × 105 × 103.5 mm | |
| Weight | approx. 2.35 kg |
Frequently Asked Questions
What is the ABB 1SDA055072R1 used for?
This moulded case circuit breaker provides adjustable magnetic short-circuit protection for industrial and commercial low voltage electrical systems.
What is the rated current of this breaker?
The ABB 1SDA055072R1 has a 25 A rated current.
How many poles does this MCCB have?
This model is a three-pole moulded case circuit breaker.
What type of trip unit is fitted?
The breaker is equipped with an MA magnetic-only release, providing adjustable instantaneous short-circuit protection.
What is the magnetic adjustment range?
The adjustable magnetic setting ranges from 150 to 350 A.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted worldwide for dependable circuit protection, strong breaking performance and long service life across industrial, commercial and OEM electrical installations.
