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ABB T4V 250 TMA 125-1250 4P Fixed Front Terminals MCCB – 125 A – 1150 V AC/DC – Photovoltaic/DC
ABB T4V 250 TMA 125-1250 4P Fixed Front Terminals MCCB – 125 A – 1150 V AC/DC – Photovoltaic/DC (ABB order code 1SDA054501R1).
£1,930.72
Why Choose the ABB 1SDA054501R1 Tmax T4V250 Circuit Breaker?
The ABB 1SDA054501R1 is a high-voltage moulded case circuit breaker (MCCB) from the ABB SACE Tmax T series, designed for reliable protection and isolation in demanding industrial electrical installations. This four-pole T4V250 circuit breaker combines a thermomagnetic TMA release with a fully rated neutral and fixed front cable connections for dependable protection of power distribution systems.
Designed for high-voltage AC and DC applications, the T4V250 provides a rated current of 125 A and supports applications up to 1150 V AC and 1000 V DC. Its thermomagnetic protection system provides adjustable overload and instantaneous short-circuit protection, making it suitable for industrial power distribution, transformers, generators and other electrical equipment.
The 1SDA054501R1 features a fixed four-pole construction with front terminals for copper cable connections and a fully rated neutral pole. Its compact construction, robust switching mechanism and high-voltage capability make it suitable for installation in industrial switchboards and electrical distribution assemblies.
Key Advantages
- ABB SACE Tmax T series MCCB for industrial power protection.
- 125 A rated permanent current for medium-duty power distribution applications.
- Four-pole configuration with fully rated neutral for comprehensive circuit protection.
- High-voltage operation up to 1150 V AC and 1000 V DC.
- Integrated TMA thermomagnetic release with adjustable protection settings.
- Fixed construction with front terminals for copper cable connections.
- Suitable for demanding industrial distribution, transformer and generator protection applications.
Key Features
- ABB SACE Tmax T4V250 moulded case circuit breaker.
- 125 A rated current.
- TMA thermomagnetic release with 125–1250 A instantaneous short-circuit adjustment range.
- Four-pole construction with fully rated neutral.
- 1150 V AC / 1000 V DC high-voltage capability.
- Fixed installation with front cable terminals.
- Suitable for copper cable connections.
- Optional motor operating mechanism capability.
- IP20 protection rating.
High-Voltage Protection for Industrial Power Distribution
The ABB SACE Tmax T4V250 platform is designed for applications requiring circuit protection at elevated AC and DC voltages. The 1SDA054501R1 combines thermal overload protection with magnetic instantaneous short-circuit protection to help protect conductors and connected electrical equipment against excessive current conditions.
Its four-pole configuration provides switching and protection across three-phase systems with a fully rated neutral. The fixed construction and front copper cable terminals simplify integration into suitable switchboards and distribution assemblies, while the robust Tmax T mechanism is designed for repeated switching and dependable long-term service.
Typical Applications
- Industrial low-voltage and high-voltage power distribution systems.
- Transformer protection and distribution assemblies.
- Generator protection applications.
- Industrial switchboards and electrical control panels.
- Power distribution equipment requiring high-voltage circuit protection.
- Industrial machinery and electrical infrastructure.
- DC power distribution systems up to 1000 V DC.
Technical Specifications
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| Voltage | 1150 V AC/DC | |
|---|---|---|
| Product Series | ABB Tmax T4V | |
| Supply Type | AC/DC | |
| Mounting Type | Fixed | |
| Application | Power distribution | |
| Trip Unit | Thermal-magnetic | |
| Device Type | MCCB | |
| Poles | 4-pole | |
| Current | 125 A | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4V250 TMA125-1250 4p FFC 1150VAC/DC N100% | |
| Part number | 1SDA054501R1 | |
| Product type | Moulded case circuit breaker (MCCB) | |
| Rated permanent current (Iu) | 125 A | |
| Number of poles | 4 | |
| Protection release | TMA thermomagnetic release | |
| Overload release current | 125 A | |
| Instantaneous short-circuit release adjustment range | 625–1250 A | |
| Rated voltage | 1150 V AC / 1000 V DC | |
| Maximum AC voltage | 1150 V AC | |
| Maximum DC voltage | 1000 V DC | |
| Neutral | Fully rated neutral | |
| Construction | Fixed | |
| Main connection | Front terminals | |
| Cable connection | Copper cable | |
| Protection rating | IP20 | |
| Mounting | Fixed built-in installation | |
| Motor operator | Optional | |
| Earth fault protection | Not integrated | |
| Dimensions (H × W × D) | approx. 205 × 140 × 103.5 mm | |
| Weight | approx. 3.05 kg | |
| Mechanical durability | 20,000 cycles | |
| Electrical durability | 8,000 cycles | |
| Manufacturer part number | 1SDA054501R1 | |
| Rated operational voltage | 1150 V AC/DC | |
| Trip unit | TMA thermomagnetic | |
| Version | Fixed (F), front terminals (F) |
Frequently Asked Questions
What is the ABB 1SDA054501R1 used for?
The ABB 1SDA054501R1 is a four-pole Tmax T4V250 moulded case circuit breaker designed for circuit protection and isolation in industrial power distribution, transformer, generator and electrical infrastructure applications.
What is the rated current of the 1SDA054501R1?
The circuit breaker has a rated permanent current of 125 A.
What voltage can the ABB 1SDA054501R1 operate at?
The T4V250 circuit breaker is designed for applications up to 1150 V AC and 1000 V DC.
What type of protection release does the circuit breaker use?
The 1SDA054501R1 uses an integrated TMA thermomagnetic release with a 125 A overload setting and an adjustable instantaneous short-circuit release range of 625–1250 A.
How many poles does the ABB 1SDA054501R1 have?
The circuit breaker has four poles and incorporates a fully rated neutral pole.
Trusted for Industrial Power Protection
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