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1sda054307r1 t4s 250 ma 250-3500 3 pole abb mccb
ABB 1SDA054307R1 SACE Tmax T4S 250 A three-pole moulded case circuit breaker with MA magnetic-only release, fixed front terminals and adjustable short-circuit protection for industrial power distribution.
Why Choose the ABB 1SDA054307R1 Tmax T4S Moulded Case Circuit Breaker?
The ABB 1SDA054307R1 is a heavy-duty Tmax T4S moulded case circuit breaker (MCCB) engineered to deliver dependable short-circuit protection for demanding low voltage electrical distribution systems. As part of the proven ABB SACE Tmax T series, this three-pole circuit breaker offers excellent fault interruption performance for industrial, commercial and OEM applications.
This MCCB incorporates 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. Its fixed construction with front terminals enables straightforward installation in switchboards, motor control centres and industrial control panels.
With a 250 A rated current, a 250 A frame size and adjustable magnetic setting from 1500 to 3500 A, the ABB 1SDA054307R1 is ideally suited for motor circuits, feeder circuits and industrial power distribution systems operating up to 690 V AC.
Key Advantages
- Reliable ABB SACE Tmax T4S moulded case circuit breaker.
- 250 A rated current with 250 A frame size.
- Three-pole fixed design for compact installations.
- MA magnetic-only release for adjustable short-circuit protection.
- 50 kA breaking capacity at 400 V AC.
- Front terminal connections simplify switchboard installation.
Key Features
- ABB SACE Tmax T series.
- T4S 250 frame size.
- 250 A rated current.
- Three-pole MCCB configuration.
- MA magnetic-only release.
- Adjustable magnetic setting from 1500 to 3500 A.
- Fixed version with front terminals.
- Designed for industrial power distribution and motor protection systems.
Reliable Short-Circuit Protection for Industrial Systems
The ABB Tmax T4S range is engineered to interrupt high fault currents rapidly, helping reduce equipment damage and improve system reliability. Magnetic-only circuit breakers are widely used where thermal overload protection is provided separately, making them suitable for coordinated motor protection and industrial distribution systems.
Its compact design, adjustable magnetic release and proven ABB engineering make the ABB 1SDA054307R1 an excellent choice for panel builders, electrical contractors and OEM machine manufacturers requiring dependable low voltage protection.
Typical Applications
- Industrial low voltage power distribution.
- 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.
Technical Specifications
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| Current | 250 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 250-3500 3P F F | |
| Product code | 1SDA054307R1 | |
| Product type | Moulded Case Circuit Breaker | |
| Rated current (In) | 250 A | |
| Rated uninterrupted current (Iu) | 250 A | |
| Number of poles | 3 | |
| Trip unit | MA magnetic-only release | |
| Magnetic adjustment range | 1500-3500 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) | approx. 205 × 105 × 103.5 mm | |
| Weight | approx. 2.35 kg |
Frequently Asked Questions
What is the ABB 1SDA054307R1 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 1SDA054307R1 has a 250 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 1500 to 3500 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.
