Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB MCCB 1sda054174r1-t4n 250 tma 80-800 3 pole
ABB T4N 250 moulded case circuit breaker with TMA thermomagnetic trip unit, 80 A rated current, adjustable magnetic trip from 400 to 800 A, three-pole fixed configuration and front terminals.
Why Choose the ABB 1SDA054174R1 Tmax T4N 250 MCCB?
The ABB 1SDA054174R1 is a dependable Tmax T4N moulded case circuit breaker (MCCB) designed to provide reliable protection for low voltage power distribution systems. As part of the trusted ABB SACE Tmax T series, this fixed three-pole circuit breaker is engineered for industrial, commercial and OEM applications where reliable overload and short-circuit protection are essential.
This MCCB is fitted with a TMA thermomagnetic trip unit, combining adjustable thermal overload protection with instantaneous magnetic short-circuit protection. The breaker features an 80 A rated current with an adjustable magnetic trip range of 400 to 800 A, making it suitable for protecting feeders, motors and distribution circuits.
Featuring a T4N 250 frame, three-pole fixed configuration and front terminal connections, the ABB 1SDA054174R1 is ideal for switchboards, motor control centres, OEM machinery and commercial power distribution systems requiring dependable circuit protection.
Key Advantages
- Reliable ABB Tmax T4N moulded case circuit breaker.
- TMA thermomagnetic trip unit providing overload and short-circuit protection.
- 80 A rated current with adjustable magnetic trip.
- Three-pole fixed configuration with front terminals.
- Suitable for industrial, commercial and OEM electrical systems.
- Designed for dependable low voltage power distribution.
Key Features
- ABB SACE Tmax T series.
- T4N 250 MCCB frame.
- 3-pole fixed circuit breaker.
- TMA thermomagnetic trip unit.
- 80 A rated current.
- Magnetic trip setting: 400 to 800 A.
- Front terminal connections.
- Rated operational voltage up to 690 V AC.
Reliable Thermomagnetic Circuit Protection
The ABB Tmax T4N range protects low voltage electrical installations against overloads and short circuits using proven thermomagnetic technology. The TMA release provides dependable protection while maintaining simple installation and long-term reliability for industrial electrical systems.
The ABB 1SDA054174R1 combines compact dimensions, robust construction and proven ABB engineering, making it an excellent choice for protecting feeders, machinery, switchboards and distribution equipment in demanding applications.
Typical Applications
- Industrial switchboards.
- Commercial electrical distribution.
- Motor control centres.
- Transformer and feeder protection.
- Generator installations.
- OEM machinery panels.
- Infrastructure and utilities.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 80 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 36 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4N 250 | |
| Part number | 1SDA054174R1 | |
| Product type | Moulded case circuit breaker (MCCB) | |
| Rated current (In) | 80 A | |
| Frame size | 250 A | |
| Trip unit | TMA thermomagnetic release | |
| Magnetic trip range | 400 to 800 A | |
| Rated operational voltage | 690 V AC / 750 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Number of poles | 3 | |
| Mounting type | Fixed | |
| Terminal type | Front terminals | |
| Breaking capacity (Icu) | 36 kA at 415 V AC | |
| Dimensions (H × W × D) | 205 × 105 × 103.5 mm | |
| Weight | 2.35 kg | |
| EAN | 8015644552749 | |
| Standards | IEC 60947 |
Frequently Asked Questions
What is the ABB 1SDA054174R1 used for?
It is used to protect low voltage electrical systems against overloads and short circuits in industrial, commercial and OEM applications.
What trip unit is fitted?
The breaker is fitted with a TMA thermomagnetic trip unit.
What is the rated current?
The ABB 1SDA054174R1 has a rated current of 80 A with an adjustable magnetic trip range of 400 to 800 A.
How many poles does this MCCB have?
The ABB 1SDA054174R1 is supplied in a 3-pole fixed configuration.
Where is this breaker typically installed?
It is commonly installed in switchboards, motor control centres and industrial power distribution panels.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted by panel builders, electrical contractors and industrial engineers worldwide for dependable low voltage protection, excellent reliability and long operational life.
